home *** CD-ROM | disk | FTP | other *** search
MacBinary | 1994-03-04 | 25.3 KB | [TEXT/PRLG] |
open in:
MacOS 8.1
|
Win98
|
DOS
view JSON data
|
view as text
This file was processed as: MacBinary
(archive/macBinary).
You can browse this item here: Revision History
Confidence | Program | Detection | Match Type | Support
|
---|
10%
| dexvert
| MacBinary (archive/macBinary)
| fallback
| Supported |
1%
| dexvert
| Text File (text/txt)
| fallback
| Supported |
100%
| file
| MacBinary II, inited, Fri Mar 4 15:51:20 1994, modified Fri Mar 4 15:51:20 1994, creator 'PRLG', type ASCII, 25243 bytes "Revision History" , at 0x631b 354 bytes resource
| default (weak)
| |
99%
| file
| data
| default
| |
74%
| TrID
| Macintosh plain text (MacBinary)
| default
| |
25%
| TrID
| MacBinary 2
| default (weak)
| |
100%
| siegfried
| fmt/1762 MacBinary (II)
| default
| |
100%
| lsar
| MacBinary
| default
|
|
id metadata |
---|
key | value |
---|
macFileType | [TEXT] |
macFileCreator | [PRLG] |
hex view+--------+-------------------------+-------------------------+--------+--------+
|00000000| 00 10 52 65 76 69 73 69 | 6f 6e 20 48 69 73 74 6f |..Revisi|on Histo|
|00000010| 72 79 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |ry......|........|
|00000020| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000030| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00000040| 00 54 45 58 54 50 52 4c | 47 01 00 00 00 00 00 00 |.TEXTPRL|G.......|
|00000050| 00 00 00 00 00 62 9b 00 | 00 01 62 a9 9d 4f c8 a9 |.....b..|..b..O..|
|00000060| 9d 4f c8 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |.O......|........|
|00000070| 00 00 00 00 00 00 00 00 | 00 00 81 81 ad d1 00 00 |........|........|
|00000080| d7 20 4f 70 65 6e 20 50 | 72 6f 6c 6f 67 20 52 65 |. Open P|rolog Re|
|00000090| 76 69 73 69 6f 6e 20 48 | 69 73 74 6f 72 79 0d 0d |vision H|istory..|
|000000a0| 2d 20 31 2e 30 2e 32 64 | 32 0d 0d a5 a5 20 4e 65 |- 1.0.2d|2.... Ne|
|000000b0| 77 20 46 65 61 74 75 72 | 65 73 2e 0d 0d a5 20 41 |w Featur|es.... A|
|000000c0| 20 6e 65 77 20 65 78 74 | 65 72 6e 61 6c 20 70 72 | new ext|ernal pr|
|000000d0| 65 64 69 63 61 74 65 20 | 68 61 73 20 62 65 65 6e |edicate |has been|
|000000e0| 20 61 64 64 65 64 3a 20 | 27 73 79 73 74 65 6d 24 | added: |'system$|
|000000f0| 6d 75 6c 74 69 70 6c 65 | 24 63 68 6f 69 63 65 27 |multiple|$choice'|
|00000100| 2f 31 35 2e 20 49 74 20 | 69 73 20 61 6c 73 6f 20 |/15. It |is also |
|00000110| 70 72 65 73 65 6e 74 65 | 64 20 61 73 20 61 20 73 |presente|d as a s|
|00000120| 61 6d 70 6c 65 20 65 78 | 74 65 72 6e 61 6c 20 70 |ample ex|ternal p|
|00000130| 72 65 64 69 63 61 74 65 | 2c 20 77 72 69 74 74 65 |redicate|, writte|
|00000140| 6e 20 69 6e 20 4d 50 57 | 20 70 61 73 63 61 6c 2e |n in MPW| pascal.|
|00000150| 0d 0d 27 73 79 73 74 65 | 6d 24 6d 75 6c 74 69 70 |..'syste|m$multip|
|00000160| 6c 65 24 63 68 6f 69 63 | 65 27 2f 31 35 20 70 72 |le$choic|e'/15 pr|
|00000170| 65 73 65 6e 74 73 20 61 | 20 64 69 61 6c 6f 67 20 |esents a| dialog |
|00000180| 63 6f 6e 74 61 69 6e 69 | 6e 67 20 61 6e 20 4f 4b |containi|ng an OK|
|00000190| 20 62 75 74 74 6f 6e 2c | 20 61 6e 20 6f 70 74 69 | button,| an opti|
|000001a0| 6f 6e 61 6c 20 73 65 63 | 6f 6e 64 20 62 75 74 74 |onal sec|ond butt|
|000001b0| 6f 6e 2c 20 61 6e 20 6f | 70 74 69 6f 6e 61 6c 20 |on, an o|ptional |
|000001c0| 6d 65 73 73 61 67 65 20 | 61 6e 64 20 75 70 20 74 |message |and up t|
|000001d0| 6f 20 66 69 76 65 20 65 | 64 69 74 20 62 6f 78 65 |o five e|dit boxe|
|000001e0| 73 2c 20 65 61 63 68 20 | 77 69 74 68 20 69 74 73 |s, each |with its|
|000001f0| 20 6f 77 6e 20 70 72 6f | 6d 70 74 2e 0d 49 74 20 | own pro|mpt..It |
|00000200| 72 65 74 75 72 6e 73 20 | 74 68 65 20 74 65 78 74 |returns |the text|
|00000210| 20 6f 66 20 74 68 65 20 | 62 75 74 74 6f 6e 20 70 | of the |button p|
|00000220| 72 65 73 73 65 64 2e 0d | 0d 27 73 79 73 74 65 6d |ressed..|.'system|
|00000230| 24 6d 75 6c 74 69 70 6c | 65 24 63 68 6f 69 63 65 |$multipl|e$choice|
|00000240| 27 28 44 69 61 6c 6f 67 | 4e 61 6d 65 41 74 6f 6d |'(Dialog|NameAtom|
|00000250| 2c 4d 65 73 73 61 67 65 | 53 74 72 69 6e 67 2c 4f |,Message|String,O|
|00000260| 4b 42 75 74 74 6f 6e 4e | 61 6d 65 41 74 6f 6d 2c |KButtonN|ameAtom,|
|00000270| 53 65 63 6f 6e 64 42 75 | 74 74 6f 6e 4e 61 6d 65 |SecondBu|ttonName|
|00000280| 41 74 6f 6d 2c 52 65 70 | 6c 79 41 74 6f 6d 2c 0d |Atom,Rep|lyAtom,.|
|00000290| 50 72 6f 6d 70 74 31 53 | 74 72 69 6e 67 2c 52 65 |Prompt1S|tring,Re|
|000002a0| 74 75 72 6e 31 53 74 72 | 69 6e 67 2c 0d 50 72 6f |turn1Str|ing,.Pro|
|000002b0| 6d 70 74 32 53 74 72 69 | 6e 67 2c 52 65 74 75 72 |mpt2Stri|ng,Retur|
|000002c0| 6e 32 53 74 72 69 6e 67 | 2c 0d 50 72 6f 6d 70 74 |n2String|,.Prompt|
|000002d0| 33 53 74 72 69 6e 67 2c | 52 65 74 75 72 6e 33 53 |3String,|Return3S|
|000002e0| 74 72 69 6e 67 2c 0d 50 | 72 6f 6d 70 74 34 53 74 |tring,.P|rompt4St|
|000002f0| 72 69 6e 67 2c 52 65 74 | 75 72 6e 34 53 74 72 69 |ring,Ret|urn4Stri|
|00000300| 6e 67 2c 0d 50 72 6f 6d | 70 74 35 53 74 72 69 6e |ng,.Prom|pt5Strin|
|00000310| 67 2c 52 65 74 75 72 6e | 35 53 74 72 69 6e 67 29 |g,Return|5String)|
|00000320| 2e 0d 0d 49 66 20 74 68 | 65 20 53 65 63 6f 6e 64 |...If th|e Second|
|00000330| 42 75 74 74 6f 6e 4e 61 | 6d 65 41 74 6f 6d 20 69 |ButtonNa|meAtom i|
|00000340| 73 20 27 27 2c 20 74 68 | 65 6e 20 74 68 65 20 62 |s '', th|en the b|
|00000350| 75 74 74 6f 6e 20 64 6f | 65 73 6e 27 74 20 61 70 |utton do|esn't ap|
|00000360| 70 65 61 72 2e 0d 54 68 | 65 20 4d 65 73 73 61 67 |pear..Th|e Messag|
|00000370| 65 53 74 72 69 6e 67 20 | 61 6e 64 20 74 68 65 20 |eString |and the |
|00000380| 50 72 6f 6d 70 74 53 74 | 72 69 6e 67 73 20 61 6e |PromptSt|rings an|
|00000390| 64 20 52 65 74 75 72 6e | 53 74 72 69 6e 67 73 20 |d Return|Strings |
|000003a0| 61 72 65 20 61 6c 6c 20 | 6c 69 73 74 73 20 6f 66 |are all |lists of|
|000003b0| 20 69 6e 74 65 67 65 72 | 73 2c 20 65 61 63 68 20 | integer|s, each |
|000003c0| 69 6e 74 65 67 65 72 20 | 62 65 69 6e 67 20 74 68 |integer |being th|
|000003d0| 65 20 41 53 43 49 49 20 | 6f 66 20 74 68 65 20 63 |e ASCII |of the c|
|000003e0| 68 61 72 61 63 74 65 72 | 20 28 75 73 65 66 75 6c |haracter| (useful|
|000003f0| 20 66 6f 72 20 70 61 72 | 73 69 6e 67 20 77 69 74 | for par|sing wit|
|00000400| 68 20 44 43 47 73 29 2e | 0d 49 66 20 61 20 50 72 |h DCGs).|.If a Pr|
|00000410| 6f 6d 70 74 53 74 72 69 | 6e 67 20 69 73 20 5b 5d |omptStri|ng is []|
|00000420| 20 28 69 2e 65 2e 20 6e | 6f 74 68 69 6e 67 29 20 | (i.e. n|othing) |
|00000430| 74 68 65 6e 20 6e 65 69 | 74 68 65 72 20 69 74 20 |then nei|ther it |
|00000440| 6e 6f 72 20 69 74 73 20 | 63 6f 72 72 65 73 70 6f |nor its |correspo|
|00000450| 6e 64 69 6e 67 20 65 64 | 69 74 20 62 6f 78 20 77 |nding ed|it box w|
|00000460| 69 6c 6c 20 61 70 70 65 | 61 72 20 6f 6e 20 74 68 |ill appe|ar on th|
|00000470| 65 20 64 69 61 6c 6f 67 | 2e 20 54 68 75 73 20 79 |e dialog|. Thus y|
|00000480| 6f 75 20 63 61 6e 20 63 | 6f 6e 74 72 6f 6c 20 74 |ou can c|ontrol t|
|00000490| 68 65 20 6e 75 6d 62 65 | 72 20 6f 66 20 6d 75 6c |he numbe|r of mul|
|000004a0| 74 69 70 6c 65 20 61 6e | 73 77 65 72 73 20 61 76 |tiple an|swers av|
|000004b0| 61 69 6c 61 62 6c 65 2e | 0d 0d 48 65 72 65 20 69 |ailable.|..Here i|
|000004c0| 73 20 61 6e 20 65 78 61 | 6d 70 6c 65 3a 0d 27 73 |s an exa|mple:.'s|
|000004d0| 79 73 74 65 6d 24 6d 75 | 6c 74 69 70 6c 65 24 63 |ystem$mu|ltiple$c|
|000004e0| 68 6f 69 63 65 27 28 0d | 20 20 20 20 20 20 20 20 |hoice'(.| |
|000004f0| 27 53 61 6d 70 6c 65 20 | 44 69 61 6c 6f 67 c9 27 |'Sample |Dialog.'|
|00000500| 2c 0d 20 20 20 20 20 20 | 20 20 22 54 68 69 73 20 |,. | "This |
|00000510| 69 73 20 61 20 73 61 6d | 70 6c 65 20 6d 65 73 73 |is a sam|ple mess|
|00000520| 61 67 65 22 2c 0d 20 20 | 20 20 20 20 20 20 27 4f |age",. | 'O|
|00000530| 75 69 27 2c 0d 20 20 20 | 20 20 20 20 20 27 4e 6f |ui',. | 'No|
|00000540| 6e 27 2c 0d 20 20 20 20 | 20 20 20 20 52 65 70 6c |n',. | Repl|
|00000550| 79 41 74 6f 6d 2c 0d 20 | 20 20 20 20 20 20 20 20 |yAtom,. | |
|00000560| 22 50 72 6f 6d 70 74 20 | 66 6f 72 20 61 20 73 74 |"Prompt |for a st|
|00000570| 72 69 6e 67 20 68 65 72 | 65 22 2c 52 65 74 75 72 |ring her|e",Retur|
|00000580| 6e 31 53 74 72 69 6e 67 | 2c 0d 20 20 20 20 20 20 |n1String|,. |
|00000590| 20 20 20 22 22 2c 52 65 | 74 75 72 6e 32 53 74 72 | "",Re|turn2Str|
|000005a0| 69 6e 67 2c 09 25 69 6e | 76 69 73 69 62 6c 65 20 |ing,.%in|visible |
|000005b0| 73 65 63 6f 6e 64 20 63 | 68 6f 69 63 65 0d 20 20 |second c|hoice. |
|000005c0| 20 20 20 20 20 20 20 22 | c9 61 6e 64 20 68 65 72 | "|.and her|
|000005d0| 65 20 74 6f 6f c9 22 2c | 52 65 74 75 72 6e 33 53 |e too.",|Return3S|
|000005e0| 74 72 69 6e 67 2c 0d 20 | 20 20 20 20 20 20 20 20 |tring,. | |
|000005f0| 22 22 2c 52 65 74 75 72 | 6e 34 53 74 72 69 6e 67 |"",Retur|n4String|
|00000600| 2c 20 25 69 6e 76 69 73 | 69 62 6c 65 20 66 6f 75 |, %invis|ible fou|
|00000610| 72 74 68 20 63 68 6f 69 | 63 65 0d 20 20 20 20 20 |rth choi|ce. |
|00000620| 20 20 20 20 22 c9 66 69 | 6e 61 6c 6c 79 2c 20 68 | ".fi|nally, h|
|00000630| 65 72 65 2e 22 2c 52 65 | 74 75 72 6e 35 53 74 72 |ere.",Re|turn5Str|
|00000640| 69 6e 67 29 2e 0d 0d a5 | 20 74 68 65 20 65 78 74 |ing)....| the ext|
|00000650| 65 72 6e 61 6c 20 70 72 | 65 64 69 63 61 74 65 20 |ernal pr|edicate |
|00000660| 6c 69 62 72 61 72 69 65 | 73 20 68 61 76 65 20 62 |librarie|s have b|
|00000670| 65 65 6e 20 61 75 67 6d | 65 6e 74 65 64 20 61 6e |een augm|ented an|
|00000680| 64 20 63 6c 65 61 6e 65 | 64 20 75 70 20 61 20 6c |d cleane|d up a l|
|00000690| 69 74 74 6c 65 2e 20 54 | 68 65 72 65 27 73 20 6e |ittle. T|here's n|
|000006a0| 6f 20 6e 65 65 64 20 66 | 6f 72 20 79 6f 75 20 74 |o need f|or you t|
|000006b0| 6f 20 72 65 6c 69 6e 6b | 20 75 6e 6c 65 73 73 20 |o relink| unless |
|000006c0| 79 6f 75 20 77 61 6e 74 | 20 74 6f c9 0d 0d 2d 20 |you want| to...- |
|000006d0| 31 2e 30 2e 31 0d 0d a5 | a5 20 4e 65 77 20 46 65 |1.0.1...|. New Fe|
|000006e0| 61 74 75 72 65 73 0d 0d | a5 20 53 61 6d 70 6c 65 |atures..|. Sample|
|000006f0| 20 53 70 65 65 63 68 20 | 4d 61 6e 61 67 65 72 20 | Speech |Manager |
|00000700| 65 78 74 65 72 6e 61 6c | 20 70 72 65 64 69 63 61 |external| predica|
|00000710| 74 65 73 20 61 64 64 65 | 64 3a 20 73 70 65 61 6b |tes adde|d: speak|
|00000720| 41 74 6f 6d 28 41 74 6f | 6d 29 20 61 6e 64 20 73 |Atom(Ato|m) and s|
|00000730| 70 65 65 63 68 42 75 73 | 79 28 4e 75 6d 62 65 72 |peechBus|y(Number|
|00000740| 4f 66 43 68 61 6e 6e 65 | 6c 73 29 2e 20 54 68 65 |OfChanne|ls). The|
|00000750| 79 20 61 72 65 20 76 65 | 72 79 20 62 61 73 69 63 |y are ve|ry basic|
|00000760| 2c 20 61 6e 64 20 6f 66 | 66 65 72 20 61 70 70 72 |, and of|fer appr|
|00000770| 6f 78 69 6d 61 74 65 6c | 79 20 74 68 65 20 73 61 |oximatel|y the sa|
|00000780| 6d 65 20 63 61 70 61 62 | 69 6c 69 74 79 20 61 73 |me capab|ility as|
|00000790| 20 4d 61 63 69 6e 74 61 | 6c 6b 20 64 69 64 2e 20 | Macinta|lk did. |
|000007a0| 53 61 6d 70 6c 65 20 63 | 6f 64 65 20 69 73 20 69 |Sample c|ode is i|
|000007b0| 6e 63 6c 75 64 65 64 20 | 69 6e 20 45 78 74 65 72 |ncluded |in Exter|
|000007c0| 6e 61 6c 20 50 72 65 64 | 69 63 61 74 65 73 2e 20 |nal Pred|icates. |
|000007d0| 54 68 65 73 65 20 70 72 | 65 64 69 63 61 74 65 73 |These pr|edicates|
|000007e0| 20 6e 65 65 64 20 74 68 | 65 20 53 6f 75 6e 64 20 | need th|e Sound |
|000007f0| 4d 61 6e 61 67 65 72 20 | 74 6f 20 62 65 20 70 72 |Manager |to be pr|
|00000800| 65 73 65 6e 74 20 2d 20 | 74 68 65 79 20 74 68 72 |esent - |they thr|
|00000810| 6f 77 20 65 72 72 6f 72 | 73 20 69 66 20 69 74 27 |ow error|s if it'|
|00000820| 73 20 6e 6f 74 20 74 68 | 65 72 65 2e 0d 0d 73 70 |s not th|ere...sp|
|00000830| 65 61 6b 41 74 6f 6d 28 | 27 48 65 6c 6c 6f 3b 20 |eakAtom(|'Hello; |
|00000840| 77 65 6c 63 6f 6d 65 20 | 74 6f 20 4f 70 65 6e 20 |welcome |to Open |
|00000850| 50 72 6f 6c 6f 67 2e 27 | 29 2c 73 70 65 61 6b 41 |Prolog.'|),speakA|
|00000860| 74 6f 6d 28 27 48 61 76 | 65 20 61 20 6e 69 63 65 |tom('Hav|e a nice|
|00000870| 20 64 61 79 27 29 2c 73 | 70 65 65 63 68 42 75 73 | day'),s|peechBus|
|00000880| 79 28 43 68 61 6e 6e 65 | 6c 73 29 2e 0d 0d a5 20 |y(Channe|ls).... |
|00000890| 66 69 6e 64 61 6c 6c 2f | 33 20 69 73 20 6e 6f 77 |findall/|3 is now|
|000008a0| 20 69 6d 70 6c 65 6d 65 | 6e 74 65 64 20 61 73 20 | impleme|nted as |
|000008b0| 61 20 62 75 69 6c 74 2d | 69 6e 20 70 72 65 64 69 |a built-|in predi|
|000008c0| 63 61 74 65 2e 0d 0d a5 | a5 20 49 6d 70 72 6f 76 |cate....|. Improv|
|000008d0| 65 6d 65 6e 74 73 20 61 | 6e 64 20 42 75 67 20 46 |ements a|nd Bug F|
|000008e0| 69 78 65 73 0d 0d a5 20 | 42 75 66 66 65 72 69 6e |ixes... |Bufferin|
|000008f0| 67 20 6f 66 20 6f 75 74 | 70 75 74 20 74 6f 20 61 |g of out|put to a|
|00000900| 20 77 69 6e 64 6f 77 20 | 69 6d 70 72 6f 76 65 64 | window |improved|
|00000910| 20 2d 20 32 35 35 20 62 | 79 74 65 20 62 75 66 66 | - 255 b|yte buff|
|00000920| 65 72 20 6c 69 6d 69 74 | 20 69 73 20 67 6f 6e 65 |er limit| is gone|
|00000930| 2c 20 61 6e 64 20 6f 75 | 74 70 75 74 20 6f 66 20 |, and ou|tput of |
|00000940| 6c 6f 6e 67 20 74 65 78 | 74 20 77 69 74 68 20 6e |long tex|t with n|
|00000950| 6f 20 43 52 73 20 69 6e | 20 69 74 20 28 65 2e 67 |o CRs in| it (e.g|
|00000960| 2e 20 74 72 61 63 65 20 | 64 75 6d 70 73 21 29 20 |. trace |dumps!) |
|00000970| 69 73 20 6d 75 63 68 20 | 66 61 73 74 65 72 2e 20 |is much |faster. |
|00000980| 53 6c 69 67 68 74 6c 79 | 20 62 65 74 74 65 72 20 |Slightly| better |
|00000990| 63 75 72 73 6f 72 20 61 | 6e 69 6d 61 74 69 6f 6e |cursor a|nimation|
|000009a0| 20 74 6f 6f 2e 0d 0d a5 | 09 44 6f 65 73 6e 27 74 | too....|.Doesn't|
|000009b0| 20 63 6f 6d 70 6c 61 69 | 6e 20 69 66 20 61 6c 6c | complai|n if all|
|000009c0| 20 74 65 6d 70 6f 72 61 | 72 79 20 6d 65 6d 6f 72 | tempora|ry memor|
|000009d0| 79 20 69 73 20 67 6f 6e | 65 20 69 6e 20 61 20 53 |y is gon|e in a S|
|000009e0| 79 73 74 65 6d 20 37 20 | 6d 61 63 68 69 6e 65 2e |ystem 7 |machine.|
|000009f0| 0d 0d a5 20 53 6c 69 67 | 68 74 6c 79 20 62 65 74 |... Slig|htly bet|
|00000a00| 74 65 72 20 6d 65 6d 6f | 72 79 20 6d 61 6e 61 67 |ter memo|ry manag|
|00000a10| 65 6d 65 6e 74 20 2d 20 | 6d 69 6e 69 6d 75 6d 20 |ement - |minimum |
|00000a20| 70 61 72 74 69 74 69 6f | 6e 20 69 73 20 64 6f 77 |partitio|n is dow|
|00000a30| 6e 20 74 6f 20 36 30 30 | 4b 2e 0d 0d a5 20 53 6c |n to 600|K.... Sl|
|00000a40| 69 67 68 74 6c 79 20 62 | 65 74 74 65 72 20 65 78 |ightly b|etter ex|
|00000a50| 74 65 72 6e 61 6c 20 70 | 72 65 64 69 63 61 74 65 |ternal p|redicate|
|00000a60| 20 65 72 72 6f 72 20 72 | 65 70 6f 72 74 69 6e 67 | error r|eporting|
|00000a70| 2e 0d 0d a5 20 46 69 78 | 65 64 20 74 77 6f 20 6d |.... Fix|ed two m|
|00000a80| 69 73 74 61 6b 65 73 20 | 69 6e 20 74 68 65 20 27 |istakes |in the '|
|00000a90| 47 65 74 74 69 6e 67 20 | 53 74 61 72 74 65 64 27 |Getting |Started'|
|00000aa0| 20 64 6f 63 75 6d 65 6e | 74 2e 0d 0d a5 20 50 61 | documen|t.... Pa|
|00000ab0| 72 73 65 73 20 61 6e 64 | 20 69 67 6e 6f 72 65 73 |rses and| ignores|
|00000ac0| 20 74 68 65 20 64 69 72 | 65 63 74 69 76 65 20 64 | the dir|ective d|
|00000ad0| 79 6e 61 6d 69 63 2f 31 | 20 2d 20 69 74 27 73 20 |ynamic/1| - it's |
|00000ae0| 6e 6f 74 20 75 73 65 64 | 20 69 6e 20 4f 70 65 6e |not used| in Open|
|00000af0| 20 50 72 6f 6c 6f 67 2e | 0d 0d a5 20 77 72 69 74 | Prolog.|... writ|
|00000b00| 65 71 2f 31 20 61 6e 64 | 20 70 72 69 6e 74 71 2f |eq/1 and| printq/|
|00000b10| 31 20 6e 6f 77 20 70 75 | 74 20 71 75 6f 74 65 73 |1 now pu|t quotes|
|00000b20| 20 61 72 6f 75 6e 64 20 | 61 6e 20 61 74 6f 6d 20 | around |an atom |
|00000b30| 62 65 67 69 6e 6e 69 6e | 67 20 77 69 74 68 20 61 |beginnin|g with a|
|00000b40| 6e 20 75 6e 64 65 72 73 | 63 6f 72 65 2e 0d 0d 2d |n unders|core...-|
|00000b50| 20 31 2e 30 0d 0d a5 a5 | 20 54 68 69 73 20 69 73 | 1.0....| This is|
|00000b60| 20 31 2e 30 64 35 30 2c | 20 6e 6f 77 20 28 66 69 | 1.0d50,| now (fi|
|00000b70| 6e 61 6c 6c 79 29 20 70 | 72 6f 6d 6f 74 65 64 20 |nally) p|romoted |
|00000b80| 74 6f 20 66 75 6c 6c 20 | 76 65 72 73 69 6f 6e 20 |to full |version |
|00000b90| 31 2e 30 2e 0d 0d a5 a5 | 20 42 75 67 20 46 69 78 |1.0.....| Bug Fix|
|00000ba0| 65 73 0d 0d a5 20 50 75 | 7a 7a 6c 69 6e 67 20 62 |es... Pu|zzling b|
|00000bb0| 65 68 61 76 69 6f 75 72 | 20 6f 66 20 6e 65 73 74 |ehaviour| of nest|
|00000bc0| 65 64 20 69 66 2d 74 68 | 65 6e 20 26 20 69 66 2f |ed if-th|en & if/|
|00000bd0| 74 68 65 6e 2f 65 6c 73 | 65 73 2e 20 49 66 2d 74 |then/els|es. If-t|
|00000be0| 68 65 6e 73 20 28 20 2d | 3e 20 29 20 77 65 72 65 |hens ( -|> ) were|
|00000bf0| 20 61 20 6c 69 74 74 6c | 65 20 74 6f 6f 20 62 75 | a littl|e too bu|
|00000c00| 73 79 20 72 65 6d 6f 76 | 69 6e 67 20 61 6c 74 65 |sy remov|ing alte|
|00000c10| 72 6e 61 74 69 76 65 73 | 20 74 6f 20 74 68 65 20 |rnatives| to the |
|00000c20| 64 69 73 6a 75 6e 63 74 | 69 6f 6e 73 20 74 68 65 |disjunct|ions the|
|00000c30| 79 20 77 65 72 65 20 6e | 65 73 74 65 64 20 69 6e |y were n|ested in|
|00000c40| 3b 20 74 68 65 79 20 72 | 65 6d 6f 76 65 64 20 74 |; they r|emoved t|
|00000c50| 68 65 20 63 68 6f 69 63 | 65 20 66 72 6f 6d 20 74 |he choic|e from t|
|00000c60| 68 65 20 6e 65 61 72 65 | 73 74 20 64 69 73 6a 75 |he neare|st disju|
|00000c70| 6e 63 74 69 6f 6e 2c 20 | 6e 6f 20 6d 61 74 74 65 |nction, |no matte|
|00000c80| 72 20 68 6f 77 20 66 61 | 72 20 75 70 20 74 68 65 |r how fa|r up the|
|00000c90| 20 63 68 6f 69 63 65 2d | 70 6f 69 6e 74 20 73 74 | choice-|point st|
|00000ca0| 61 63 6b 20 69 74 20 77 | 61 73 2e 20 28 49 6e 20 |ack it w|as. (In |
|00000cb0| 66 61 63 74 2c 20 69 66 | 2d 74 68 65 6e 73 20 73 |fact, if|-thens s|
|00000cc0| 68 6f 75 6c 64 6e 27 74 | 20 72 65 6d 6f 76 65 20 |houldn't| remove |
|00000cd0| 61 6e 79 20 63 68 6f 69 | 63 65 20 70 6f 69 6e 74 |any choi|ce point|
|00000ce0| 73 2e 29 20 54 68 69 73 | 20 69 73 20 6e 6f 77 20 |s.) This| is now |
|00000cf0| 66 69 78 65 64 2e 0d 0d | 2d 20 31 2e 30 64 34 39 |fixed...|- 1.0d49|
|00000d00| 0d 0d a5 a5 20 42 75 67 | 20 46 69 78 65 73 0d 0d |.... Bug| Fixes..|
|00000d10| a5 20 57 72 69 74 69 6e | 67 20 61 20 63 75 72 6c |. Writin|g a curl|
|00000d20| 79 2d 62 72 61 63 6b 65 | 74 65 64 20 74 65 72 6d |y-bracke|ted term|
|00000d30| 20 77 6f 72 6b 73 20 63 | 6f 72 72 65 63 74 6c 79 | works c|orrectly|
|00000d40| 2e 20 45 2e 67 2e 20 77 | 72 69 74 65 28 7b 74 68 |. E.g. w|rite({th|
|00000d50| 69 73 2c 74 68 61 74 7d | 29 20 6e 6f 77 20 67 69 |is,that}|) now gi|
|00000d60| 76 65 73 3a 0d 7b 74 68 | 69 73 2c 74 68 61 74 7d |ves:.{th|is,that}|
|00000d70| 0d 49 74 20 75 73 65 64 | 20 74 6f 20 79 69 65 6c |.It used| to yiel|
|00000d80| 64 3a 20 7b 7d 28 2c 28 | 74 68 69 73 2c 74 68 61 |d: {}(,(|this,tha|
|00000d90| 74 29 29 0d 0d 2d 20 31 | 2e 30 64 34 38 0d 0d a5 |t))..- 1|.0d48...|
|00000da0| a5 20 42 75 67 20 46 69 | 78 65 73 0d 0d a5 20 46 |. Bug Fi|xes... F|
|00000db0| 69 78 65 64 20 61 20 4d | 65 6e 75 20 70 72 6f 62 |ixed a M|enu prob|
|00000dc0| 6c 65 6d 20 74 68 61 74 | 20 63 61 75 73 65 64 20 |lem that| caused |
|00000dd0| 4f 50 20 74 6f 20 63 72 | 61 73 68 20 77 69 74 68 |OP to cr|ash with|
|00000de0| 20 42 65 48 69 65 72 61 | 72 63 68 69 63 2e 20 4e | BeHiera|rchic. N|
|00000df0| 6f 77 20 77 6f 72 6b 73 | 20 77 69 74 68 20 69 74 |ow works| with it|
|00000e00| 20 28 31 2e 30 2e 35 29 | 20 61 6e 64 20 77 69 74 | (1.0.5)| and wit|
|00000e10| 68 20 41 70 6f 6c 6c 6f | 20 31 2e 30 2e 0d 0d 2d |h Apollo| 1.0...-|
|00000e20| 20 31 2e 30 64 34 37 0d | 0d a5 a5 20 42 75 67 20 | 1.0d47.|... Bug |
|00000e30| 46 69 78 65 73 0d 0d a5 | 09 41 64 64 65 64 20 61 |Fixes...|.Added a|
|00000e40| 20 76 6f 6c 75 6d 65 20 | 66 6c 75 73 68 20 61 66 | volume |flush af|
|00000e50| 74 65 72 20 61 20 77 72 | 69 74 61 62 6c 65 20 66 |ter a wr|itable f|
|00000e60| 69 6c 65 20 69 73 20 63 | 6c 6f 73 65 64 2e 20 49 |ile is c|losed. I|
|00000e70| 66 20 74 68 65 20 73 79 | 73 74 65 6d 20 63 72 61 |f the sy|stem cra|
|00000e80| 73 68 65 73 2c 0d 69 74 | 27 73 20 6d 6f 72 65 20 |shes,.it|'s more |
|00000e90| 6c 69 6b 65 6c 79 20 74 | 68 61 74 20 73 61 76 65 |likely t|hat save|
|00000ea0| 64 20 66 69 6c 65 73 20 | 77 69 6c 6c 20 62 65 20 |d files |will be |
|00000eb0| 75 70 20 74 6f 20 64 61 | 74 65 20 6f 6e 20 72 65 |up to da|te on re|
|00000ec0| 73 74 61 72 74 69 6e 67 | 2e 0d 0d a5 09 46 69 78 |starting|.....Fix|
|00000ed0| 65 64 20 61 20 62 75 67 | 20 69 6e 74 72 6f 64 75 |ed a bug| introdu|
|00000ee0| 63 65 64 20 69 6e 20 31 | 2e 30 64 34 36 20 28 21 |ced in 1|.0d46 (!|
|00000ef0| 29 20 69 6e 20 6c 65 6e | 67 74 68 2f 32 2c 20 77 |) in len|gth/2, w|
|00000f00| 68 65 72 65 62 79 20 69 | 74 20 63 6f 6d 70 6c 61 |hereby i|t compla|
|00000f10| 69 6e 65 64 20 61 62 6f | 75 74 20 74 68 65 20 6c |ined abo|ut the l|
|00000f20| 65 6e 67 74 68 20 6f 66 | 20 74 68 65 20 65 6d 70 |ength of| the emp|
|00000f30| 74 79 20 6c 69 73 74 21 | 0d 0d 2d 20 31 2e 30 64 |ty list!|..- 1.0d|
|00000f40| 34 36 0d 0d a5 a5 20 42 | 75 67 20 46 69 78 65 73 |46.... B|ug Fixes|
|00000f50| 0d 0d a5 20 46 69 78 65 | 64 20 61 20 62 75 67 20 |... Fixe|d a bug |
|00000f60| 77 68 69 63 68 20 63 61 | 75 73 65 64 20 70 72 6f |which ca|used pro|
|00000f70| 62 6c 65 6d 73 20 77 68 | 65 6e 20 61 20 70 72 65 |blems wh|en a pre|
|00000f80| 66 69 78 20 6f 70 65 72 | 61 74 6f 72 20 77 69 74 |fix oper|ator wit|
|00000f90| 68 6f 75 74 20 61 6e 20 | 61 72 67 75 6d 65 6e 74 |hout an |argument|
|00000fa0| 0d 20 77 61 73 20 72 65 | 61 64 2e 0d 0d a5 09 41 |. was re|ad.....A|
|00000fb0| 64 64 65 64 20 61 20 63 | 68 65 63 6b 20 74 6f 20 |dded a c|heck to |
|00000fc0| 6c 65 6e 67 74 68 2f 32 | 20 73 6f 20 74 68 61 74 |length/2| so that|
|00000fd0| 20 74 68 65 20 66 69 72 | 73 74 20 61 72 67 75 6d | the fir|st argum|
|00000fe0| 65 6e 74 20 6d 75 73 74 | 20 62 65 20 69 6e 73 74 |ent must| be inst|
|00000ff0| 61 6e 74 69 61 74 65 64 | 2e 0d 0d 2d 20 31 2e 30 |antiated|...- 1.0|
|00001000| 64 34 35 0d 0d a5 a5 20 | 42 75 67 20 46 69 78 65 |d45.... |Bug Fixe|
|00001010| 73 0d 0d a5 20 46 69 78 | 65 64 20 61 20 62 75 67 |s... Fix|ed a bug|
|00001020| 20 77 68 69 63 68 20 6f | 63 63 61 73 69 6f 6e 61 | which o|ccasiona|
|00001030| 6c 6c 79 20 63 61 75 73 | 65 64 20 61 20 63 72 61 |lly caus|ed a cra|
|00001040| 73 68 20 77 68 65 6e 20 | 79 6f 75 20 75 73 65 64 |sh when |you used|
|00001050| 20 43 6f 6d 6d 61 6e 64 | 2d 28 2e 29 0d 20 20 28 | Command|-(.). (|
|00001060| 61 20 6d 65 6e 75 20 6d | 61 6e 61 67 65 72 20 65 |a menu m|anager e|
|00001070| 72 72 6f 72 29 0d 0d a5 | 09 46 69 78 65 64 20 61 |rror)...|.Fixed a|
|00001080| 20 62 75 67 20 77 68 65 | 6e 20 61 20 73 79 6e 74 | bug whe|n a synt|
|00001090| 61 78 20 65 72 72 6f 72 | 20 6f 63 63 75 72 65 64 |ax error| occured|
|000010a0| 20 64 75 65 20 74 6f 20 | 61 6e 20 69 6e 63 6f 6d | due to |an incom|
|000010b0| 70 6c 65 74 65 20 74 65 | 72 6d 20 61 74 20 74 68 |plete te|rm at th|
|000010c0| 65 20 65 6e 64 20 6f 66 | 20 61 20 66 69 6c 65 2e |e end of| a file.|
|000010d0| 0d 0d a5 09 46 69 78 65 | 64 20 61 20 62 75 67 20 |....Fixe|d a bug |
|000010e0| 77 68 69 63 68 20 6d 61 | 64 65 20 74 68 65 20 65 |which ma|de the e|
|000010f0| 72 72 6f 72 20 68 61 6e | 64 6c 65 72 20 6c 6f 73 |rror han|dler los|
|00001100| 65 20 74 68 65 20 65 72 | 72 6f 72 20 6d 65 73 73 |e the er|ror mess|
|00001110| 61 67 65 20 66 69 6c 65 | 2e 0d 0d 2d 20 31 2e 30 |age file|...- 1.0|
|00001120| 64 34 34 0d 0d a5 a5 20 | 42 75 67 20 66 69 78 65 |d44.... |Bug fixe|
|00001130| 73 0d 0d a5 20 46 6f 72 | 6d 61 74 74 69 6e 67 20 |s... For|matting |
|00001140| 65 72 72 6f 72 73 20 66 | 69 78 65 64 0d 0d 2d 20 |errors f|ixed..- |
|00001150| 31 2e 30 64 34 33 0d 0d | a5 a5 20 4e 65 77 20 46 |1.0d43..|.. New F|
|00001160| 65 61 74 75 72 65 73 0d | 0d a5 20 54 68 65 20 27 |eatures.|.. The '|
|00001170| 72 65 61 64 65 72 20 73 | 74 61 72 74 69 6e 67 20 |reader s|tarting |
|00001180| 70 6f 69 6e 74 27 20 28 | 77 68 69 63 68 20 68 61 |point' (|which ha|
|00001190| 73 20 61 6c 77 61 79 73 | 20 62 65 65 6e 20 70 72 |s always| been pr|
|000011a0| 65 73 65 6e 74 20 69 6e | 20 4f 70 65 6e 20 50 72 |esent in| Open Pr|
|000011b0| 6f 6c 6f 67 29 20 69 73 | 20 6e 6f 77 20 76 69 73 |olog) is| now vis|
|000011c0| 69 62 6c 65 2c 20 73 6f | 20 79 6f 75 20 63 61 6e |ible, so| you can|
|000011d0| 20 73 65 65 20 77 68 61 | 74 27 73 20 72 65 61 6c | see wha|t's real|
|000011e0| 6c 79 20 68 61 70 70 65 | 6e 69 6e 67 20 77 68 65 |ly happe|ning whe|
|000011f0| 6e 20 79 6f 75 20 64 6f | 20 73 69 6e 67 6c 65 2d |n you do| single-|
|00001200| 6c 69 6e 65 2d 73 65 6c | 65 63 74 69 6f 6e 2e 0d |line-sel|ection..|
|00001210| 52 65 63 61 6c 6c 20 74 | 68 61 74 20 4f 70 65 6e |Recall t|hat Open|
|00001220| 20 50 72 6f 6c 6f 67 20 | 69 73 20 74 72 79 69 6e | Prolog |is tryin|
|00001230| 67 20 74 6f 20 70 72 6f | 76 69 64 65 20 74 68 65 |g to pro|vide the|
|00001240| 20 66 65 61 74 75 72 65 | 73 20 6f 66 20 61 20 6c | feature|s of a l|
|00001250| 69 6e 65 2d 6f 72 69 65 | 6e 74 65 64 20 65 64 69 |ine-orie|nted edi|
|00001260| 74 6f 72 20 77 69 74 68 | 6f 75 74 20 6c 6f 73 69 |tor with|out losi|
|00001270| 6e 67 20 74 68 65 20 66 | 61 63 69 6c 69 74 69 65 |ng the f|acilitie|
|00001280| 73 20 6f 66 20 74 68 65 | 20 4d 61 63 20 69 6e 74 |s of the| Mac int|
|00001290| 65 72 66 61 63 65 2e 20 | 54 6f 20 64 6f 20 74 68 |erface. |To do th|
|000012a0| 69 73 2c 20 61 20 27 72 | 65 61 64 65 72 20 73 74 |is, a 'r|eader st|
|000012b0| 61 72 74 69 6e 67 20 70 | 6f 69 6e 74 27 20 69 73 |arting p|oint' is|
|000012c0| 20 6d 61 69 6e 74 61 69 | 6e 65 64 20 61 75 74 6f | maintai|ned auto|
|000012d0| 6d 61 74 69 63 61 6c 6c | 79 2c 20 61 6e 64 20 69 |maticall|y, and i|
|000012e0| 74 20 69 73 20 75 73 65 | 64 20 61 73 20 66 6f 6c |t is use|d as fol|
|000012f0| 6c 6f 77 73 2e 0d 57 68 | 65 6e 65 76 65 72 20 79 |lows..Wh|enever y|
|00001300| 6f 75 20 64 6f 20 61 20 | 73 69 6e 67 6c 65 2d 6c |ou do a |single-l|
|00001310| 69 6e 65 2d 73 65 6c 65 | 63 74 69 6f 6e 20 65 6e |ine-sele|ction en|
|00001320| 74 72 79 2c 20 74 68 65 | 20 72 65 61 64 65 72 20 |try, the| reader |
|00001330| 64 65 63 69 64 65 73 20 | 77 68 65 72 65 20 74 6f |decides |where to|
|00001340| 20 73 74 61 72 74 20 72 | 65 61 64 69 6e 67 20 66 | start r|eading f|
|00001350| 72 6f 6d 20 62 79 20 67 | 6f 69 6e 67 20 62 61 63 |rom by g|oing bac|
|00001360| 6b 20 66 72 6f 6d 20 74 | 68 65 20 63 61 72 65 74 |k from t|he caret|
|00001370| 20 74 6f 77 61 72 64 73 | 20 74 68 65 20 73 74 61 | towards| the sta|
|00001380| 72 74 20 6f 66 20 74 68 | 65 20 6c 69 6e 65 2e 0d |rt of th|e line..|
|00001390| 49 66 20 69 74 20 72 65 | 61 63 68 65 73 20 74 68 |If it re|aches th|
|000013a0| 65 20 73 74 61 72 74 20 | 6f 66 20 74 68 65 20 6c |e start |of the l|
|000013b0| 69 6e 65 2c 20 74 68 61 | 74 27 73 20 4f 4b 20 2d |ine, tha|t's OK -|
|000013c0| 20 72 65 61 64 69 6e 67 | 20 77 69 6c 6c 20 73 74 | reading| will st|
|000013d0| 61 72 74 20 66 72 6f 6d | 20 74 68 65 20 73 74 61 |art from| the sta|
|000013e0| 72 74 20 6f 66 20 74 68 | 65 20 6c 69 6e 65 2e 20 |rt of th|e line. |
|000013f0| 49 66 2c 20 68 6f 77 65 | 76 65 72 2c 20 69 74 20 |If, howe|ver, it |
|00001400| 72 65 61 63 68 65 73 20 | 74 68 65 20 27 72 65 61 |reaches |the 'rea|
|00001410| 64 65 72 20 73 74 61 72 | 74 69 6e 67 20 70 6f 69 |der star|ting poi|
|00001420| 6e 74 27 2c 20 69 74 20 | 77 69 6c 6c 20 73 74 61 |nt', it |will sta|
|00001430| 72 74 20 66 72 6f 6d 20 | 74 68 65 72 65 2e 20 54 |rt from |there. T|
|00001440| 6f 20 73 65 65 20 77 68 | 79 20 73 6f 6d 65 74 68 |o see wh|y someth|
|00001450| 69 6e 67 20 6c 69 6b 65 | 20 74 68 69 73 20 69 73 |ing like| this is|
|00001460| 20 6e 65 65 64 65 64 2c | 20 63 6f 6e 73 69 64 65 | needed,| conside|
|00001470| 72 20 74 68 65 20 66 6f | 6c 6c 6f 77 69 6e 67 3a |r the fo|llowing:|
|00001480| 0d 0d 77 72 69 74 65 28 | 27 45 6e 74 65 72 20 61 |..write(|'Enter a|
|00001490| 20 74 65 72 6d 20 61 66 | 74 65 72 20 74 68 65 20 | term af|ter the |
|000014a0| 70 72 6f 6d 70 74 2e 27 | 29 2c 6e 6c 2c 77 72 69 |prompt.'|),nl,wri|
|000014b0| 74 65 28 27 3e 3e 20 27 | 29 2c 72 65 61 64 28 58 |te('>> '|),read(X|
|000014c0| 29 2e 0d 0d 54 68 69 73 | 20 69 73 20 74 79 70 69 |)...This| is typi|
|000014d0| 63 61 6c 20 6f 66 20 6c | 69 6e 65 2d 6f 72 69 65 |cal of l|ine-orie|
|000014e0| 6e 74 65 64 20 75 73 65 | 72 20 69 6e 74 65 72 66 |nted use|r interf|
|000014f0| 61 63 65 2e 20 54 72 79 | 20 69 74 2c 20 61 6e 64 |ace. Try| it, and|
|00001500| 20 77 61 74 63 68 20 77 | 68 65 72 65 20 74 68 65 | watch w|here the|
|00001510| 20 72 65 61 64 65 72 20 | 73 74 61 72 74 69 6e 67 | reader |starting|
|00001520| 20 70 6f 69 6e 74 20 67 | 6f 65 73 2e 20 57 69 74 | point g|oes. Wit|
|00001530| 68 6f 75 74 20 74 68 65 | 20 27 72 65 61 64 65 72 |hout the| 'reader|
|00001540| 20 73 74 61 72 74 69 6e | 67 20 70 6f 69 6e 74 27 | startin|g point'|
|00001550| 2c 20 74 68 65 20 72 65 | 61 64 65 72 20 77 6f 75 |, the re|ader wou|
|00001560| 6c 64 20 74 72 79 20 74 | 6f 20 69 6e 70 75 74 20 |ld try t|o input |
|00001570| 74 68 65 20 70 72 6f 6d | 70 74 20 69 74 73 65 6c |the prom|pt itsel|
|00001580| 66 20 61 73 20 70 61 72 | 74 20 6f 66 20 74 68 65 |f as par|t of the|
|00001590| 20 74 65 72 6d 2e 0d 0d | 4e 6f 74 65 20 74 68 61 | term...|Note tha|
|000015a0| 74 2c 20 61 73 20 62 65 | 66 6f 72 65 2c 20 69 66 |t, as be|fore, if|
|000015b0| 20 79 6f 75 20 64 6f 20 | 6e 6f 72 6d 61 6c 20 4d | you do |normal M|
|000015c0| 61 63 20 73 65 6c 65 63 | 74 69 6f 6e 2c 20 74 68 |ac selec|tion, th|
|000015d0| 65 20 72 65 61 64 65 72 | 20 73 74 61 72 74 69 6e |e reader| startin|
|000015e0| 67 20 70 6f 69 6e 74 20 | 69 73 20 69 67 6e 6f 72 |g point |is ignor|
|000015f0| 65 64 2e 0d 0d a5 a5 20 | 42 75 67 20 46 69 78 65 |ed..... |Bug Fixe|
|00001600| 73 0d 0d a5 20 46 69 78 | 65 64 20 73 6f 6d 65 20 |s... Fix|ed some |
|00001610| 62 75 67 73 20 69 6e 20 | 74 68 65 20 72 65 61 64 |bugs in |the read|
|00001620| 65 72 20 61 6e 64 20 77 | 72 69 74 65 72 2e 20 54 |er and w|riter. T|
|00001630| 68 65 72 65 20 77 65 72 | 65 20 70 72 6f 62 6c 65 |here wer|e proble|
|00001640| 6d 73 20 69 6e 20 62 6f | 74 68 20 77 68 65 6e 20 |ms in bo|th when |
|00001650| 64 65 61 6c 69 6e 67 0d | 77 69 74 68 20 70 72 65 |dealing.|with pre|
|00001660| 66 69 78 20 6f 70 65 72 | 61 74 6f 72 73 20 2d 20 |fix oper|ators - |
|00001670| 73 6f 6d 65 20 62 75 67 | 73 20 65 76 65 6e 20 63 |some bug|s even c|
|00001680| 61 75 73 65 64 20 4f 50 | 20 74 6f 20 63 72 61 73 |aused OP| to cras|
|00001690| 68 2e 20 54 68 65 79 20 | 68 61 76 65 20 62 65 65 |h. They |have bee|
|000016a0| 6e 20 6d 6f 73 74 6c 79 | 20 72 65 73 6f 6c 76 65 |n mostly| resolve|
|000016b0| 64 2e 20 48 65 72 65 20 | 69 73 20 6f 6e 65 20 74 |d. Here |is one t|
|000016c0| 68 61 74 20 68 61 73 20 | 6e 6f 74 20 62 65 65 6e |hat has |not been|
|000016d0| 20 72 65 73 6f 6c 76 65 | 64 3a 0d 3a 2d 6f 70 28 | resolve|d:.:-op(|
|000016e0| 35 30 30 2c 66 79 2c 2b | 2b 29 2c 6f 70 28 35 30 |500,fy,+|+),op(50|
|000016f0| 30 2c 79 66 2c 2b 2b 29 | 2c 6f 70 28 35 30 30 2c |0,yf,++)|,op(500,|
|00001700| 78 66 79 2c 2b 2b 29 2e | 0d 64 69 73 70 6c 61 79 |xfy,++).|.display|
|00001710| 28 61 20 2b 2b 20 2b 2b | 20 2b 2b 20 62 29 2e 0d |(a ++ ++| ++ b)..|
|00001720| 54 68 69 73 20 69 73 20 | 6c 65 67 61 6c 20 69 66 |This is |legal if|
|00001730| 20 79 6f 75 20 6d 61 6b | 65 20 74 68 65 20 66 69 | you mak|e the fi|
|00001740| 72 73 74 20 2b 2b 20 61 | 6e 20 69 6e 66 69 78 20 |rst ++ a|n infix |
|00001750| 6f 70 65 72 61 74 6f 72 | 20 61 6e 64 20 74 68 65 |operator| and the|
|00001760| 20 73 65 63 6f 6e 64 20 | 61 6e 64 20 74 68 69 72 | second |and thir|
|00001770| 64 20 70 72 65 66 69 78 | 20 6f 70 65 72 61 74 6f |d prefix| operato|
|00001780| 72 73 2e 20 48 6f 77 65 | 76 65 72 2c 20 4f 50 27 |rs. Howe|ver, OP'|
|00001790| 73 20 72 65 61 64 65 72 | 20 63 6f 6d 6d 69 74 73 |s reader| commits|
|000017a0| 20 74 6f 20 74 68 65 20 | 66 69 72 73 74 20 2b 2b | to the |first ++|
|000017b0| 20 62 65 69 6e 67 20 70 | 6f 73 74 66 69 78 2e 0d | being p|ostfix..|
|000017c0| 49 53 4f 20 50 72 6f 6c | 6f 67 20 66 6f 72 62 69 |ISO Prol|og forbi|
|000017d0| 64 73 20 6d 75 6c 74 69 | 70 6c 65 20 6f 70 65 72 |ds multi|ple oper|
|000017e0| 61 74 6f 72 20 64 65 66 | 69 6e 69 74 69 6f 6e 73 |ator def|initions|
|000017f0| 20 66 6f 72 20 74 68 65 | 20 73 61 6d 65 20 6e 61 | for the| same na|
|00001800| 6d 65 2c 20 73 6f 20 74 | 68 65 20 70 72 6f 62 6c |me, so t|he probl|
|00001810| 65 6d 0d 69 73 20 72 61 | 74 68 65 72 20 6c 65 73 |em.is ra|ther les|
|00001820| 73 20 69 6d 70 6f 72 74 | 61 6e 74 2e 0d 0d 2d 20 |s import|ant...- |
|00001830| 31 2e 30 64 34 32 0d 0d | a5 a5 20 4e 65 77 20 46 |1.0d42..|.. New F|
|00001840| 65 61 74 75 72 65 73 0d | 0d a5 20 4f 70 65 6e 20 |eatures.|.. Open |
|00001850| 50 72 6f 6c 6f 67 20 6e | 6f 20 6c 6f 6e 67 65 72 |Prolog n|o longer|
|00001860| 20 72 65 6c 69 65 73 20 | 6f 6e 20 74 68 65 20 66 | relies |on the f|
|00001870| 69 6c 65 20 53 79 73 65 | 72 72 73 2e 45 72 72 20 |ile Syse|rrs.Err |
|00001880| 66 6f 72 20 65 72 72 6f | 72 20 69 6e 66 6f 72 6d |for erro|r inform|
|00001890| 61 74 69 6f 6e 20 2d 20 | 69 6e 73 74 65 61 64 2c |ation - |instead,|
|000018a0| 20 74 68 69 73 20 64 61 | 74 61 20 68 61 73 20 62 | this da|ta has b|
|000018b0| 65 65 6e 20 69 6e 63 6f | 72 70 6f 72 61 74 65 64 |een inco|rporated|
|000018c0| 20 69 6e 74 6f 20 4f 70 | 65 6e 20 50 72 6f 6c 6f | into Op|en Prolo|
|000018d0| 67 20 69 74 73 65 6c 66 | 2e 20 52 65 6d 6f 76 65 |g itself|. Remove|
|000018e0| 20 69 74 20 66 72 6f 6d | 20 79 6f 75 72 20 53 79 | it from| your Sy|
|000018f0| 73 74 65 6d 20 46 6f 6c | 64 65 72 20 69 66 20 6e |stem Fol|der if n|
|00001900| 6f 20 6f 74 68 65 72 20 | 61 70 70 6c 69 63 61 74 |o other |applicat|
|00001910| 69 6f 6e 73 20 75 73 65 | 20 69 74 2e 0d 0d a5 a5 |ions use| it.....|
|00001920| 20 42 75 67 20 46 69 78 | 65 73 0d 0d a5 09 46 69 | Bug Fix|es....Fi|
|00001930| 78 65 64 20 61 20 62 75 | 67 20 77 68 69 63 68 20 |xed a bu|g which |
|00001940| 69 6e 69 74 69 61 6c 69 | 73 65 64 20 74 68 65 20 |initiali|sed the |
|00001950| 70 72 65 64 69 63 61 74 | 65 73 20 69 6e 20 61 20 |predicat|es in a |
|00001960| 50 52 4c 58 20 72 65 73 | 6f 75 72 63 65 20 69 6e |PRLX res|ource in|
|00001970| 20 74 68 65 20 77 72 6f | 6e 67 20 6f 72 64 65 72 | the wro|ng order|
|00001980| 2e 20 54 68 69 73 20 62 | 75 67 20 6f 6e 6c 79 20 |. This b|ug only |
|00001990| 68 61 73 20 61 6e 20 65 | 66 66 65 63 74 20 69 66 |has an e|ffect if|
|000019a0| 20 74 68 65 20 70 72 65 | 64 69 63 61 74 65 73 20 | the pre|dicates |
|000019b0| 73 68 61 72 65 20 63 6f | 6d 6d 6f 6e 20 64 61 74 |share co|mmon dat|
|000019c0| 61 20 73 74 72 75 63 74 | 75 72 65 73 20 2d 20 77 |a struct|ures - w|
|000019d0| 68 61 74 20 69 73 20 73 | 75 70 70 6f 73 65 64 20 |hat is s|upposed |
|000019e0| 74 6f 20 62 65 20 74 68 | 65 20 66 69 72 73 74 20 |to be th|e first |
|000019f0| 70 72 65 64 69 63 61 74 | 65 20 74 6f 20 62 65 20 |predicat|e to be |
|00001a00| 69 6e 69 74 69 61 6c 69 | 73 65 64 20 28 61 6e 64 |initiali|sed (and|
|00001a10| 20 68 65 6e 63 65 20 74 | 68 65 20 6f 6e 65 20 74 | hence t|he one t|
|00001a20| 6f 20 61 6c 6c 6f 63 61 | 74 65 20 74 68 65 20 73 |o alloca|te the s|
|00001a30| 68 61 72 65 64 20 73 74 | 6f 72 61 67 65 29 20 77 |hared st|orage) w|
|00001a40| 61 73 20 61 63 74 75 61 | 6c 6c 79 20 62 65 69 6e |as actua|lly bein|
|00001a50| 67 20 69 6e 69 74 69 61 | 6c 69 73 65 64 20 6c 61 |g initia|lised la|
|00001a60| 73 74 2e 20 4f 6f 70 73 | 2e 20 53 6f 72 72 79 2e |st. Oops|. Sorry.|
|00001a70| 2e 2e 20 4e 6f 77 2c 20 | 74 68 65 20 70 72 65 64 |.. Now, |the pred|
|00001a80| 69 63 61 74 65 73 20 61 | 72 65 20 69 6e 69 74 69 |icates a|re initi|
|00001a90| 61 6c 69 73 65 64 20 69 | 6e 20 61 73 63 65 6e 64 |alised i|n ascend|
|00001aa0| 69 6e 67 20 6e 75 6d 65 | 72 69 63 61 6c 20 6f 72 |ing nume|rical or|
|00001ab0| 64 65 72 2c 20 61 73 20 | 61 64 76 65 72 74 69 73 |der, as |advertis|
|00001ac0| 65 64 2e 0d 0d 2d 20 31 | 2e 30 64 34 31 0d 0d a5 |ed...- 1|.0d41...|
|00001ad0| a5 20 4e 65 77 20 46 65 | 61 74 75 72 65 73 0d 0d |. New Fe|atures..|
|00001ae0| a5 09 49 6d 70 6c 65 6d | 65 6e 74 65 64 20 61 62 |..Implem|ented ab|
|00001af0| 73 2f 31 2c 20 6d 65 61 | 6e 69 6e 67 20 27 61 62 |s/1, mea|ning 'ab|
|00001b00| 73 6f 6c 75 74 65 20 76 | 61 6c 75 65 27 20 61 73 |solute v|alue' as|
|00001b10| 20 61 6e 20 65 76 61 6c | 75 61 62 6c 65 20 66 75 | an eval|uable fu|
|00001b20| 6e 63 74 69 6f 6e 2e 0d | 0d a5 09 41 20 6e 65 77 |nction..|...A new|
|00001b30| 20 62 75 69 6c 74 2d 69 | 6e 20 70 72 65 64 69 63 | built-i|n predic|
|00001b40| 61 74 65 20 27 67 65 74 | 24 70 72 6f 6c 6f 67 24 |ate 'get|$prolog$|
|00001b50| 65 72 72 6f 72 24 6d 65 | 73 73 61 67 65 27 2f 32 |error$me|ssage'/2|
|00001b60| 20 69 73 20 69 6d 70 6c | 65 6d 65 6e 74 65 64 2e | is impl|emented.|
|00001b70| 20 47 69 76 65 20 69 74 | 20 61 6e 20 4f 70 65 6e | Give it| an Open|
|00001b80| 20 50 72 6f 6c 6f 67 20 | 65 72 72 6f 72 20 63 6f | Prolog |error co|
|00001b90| 64 65 20 61 6e 64 20 69 | 74 20 72 65 74 75 72 6e |de and i|t return|
|00001ba0| 73 20 61 20 6d 65 73 73 | 61 67 65 2e 20 4f 50 20 |s a mess|age. OP |
|00001bb0| 65 72 72 6f 72 20 63 6f | 64 65 73 20 73 74 61 72 |error co|des star|
|00001bc0| 74 20 61 74 20 2d 33 32 | 37 36 37 20 61 6e 64 20 |t at -32|767 and |
|00001bd0| 77 6f 72 6b 20 75 70 77 | 61 72 64 73 20 74 6f 77 |work upw|ards tow|
|00001be0| 61 72 64 73 20 30 2e 0d | 0d a5 20 54 68 65 20 62 |ards 0..|.. The b|
|00001bf0| 75 69 6c 74 2d 69 6e 20 | 70 72 65 64 69 63 61 74 |uilt-in |predicat|
|00001c00| 65 20 27 67 65 74 24 65 | 72 72 6f 72 24 6d 65 73 |e 'get$e|rror$mes|
|00001c10| 73 61 67 65 27 2f 32 20 | 68 61 73 20 62 65 65 6e |sage'/2 |has been|
|00001c20| 20 72 65 6e 61 6d 65 64 | 20 74 6f 20 27 67 65 74 | renamed| to 'get|
|00001c30| 24 68 6f 73 74 24 65 72 | 72 6f 72 24 6d 65 73 73 |$host$er|ror$mess|
|00001c40| 61 67 65 27 2e 20 46 69 | 72 73 74 20 61 72 67 75 |age'. Fi|rst argu|
|00001c50| 6d 65 6e 74 20 69 73 20 | 61 20 4d 61 63 20 65 72 |ment is |a Mac er|
|00001c60| 72 6f 72 20 63 6f 64 65 | 2c 20 73 65 63 6f 6e 64 |ror code|, second|
|00001c70| 20 77 69 6c 6c 20 62 65 | 20 74 68 65 20 65 72 72 | will be| the err|
|00001c80| 6f 72 20 6d 65 73 73 61 | 67 65 20 61 74 6f 6d 2e |or messa|ge atom.|
|00001c90| 0d 0d a5 a5 20 42 75 67 | 20 46 69 78 65 73 0d 0d |.... Bug| Fixes..|
|00001ca0| a5 09 46 69 78 65 64 20 | 61 20 62 75 67 20 69 6e |..Fixed |a bug in|
|00001cb0| 20 74 68 65 20 45 78 74 | 65 72 6e 61 6c 20 50 72 | the Ext|ernal Pr|
|00001cc0| 65 64 69 63 61 74 65 20 | 69 6e 74 65 72 66 61 63 |edicate |interfac|
|00001cd0| 65 20 77 68 69 63 68 20 | 70 72 65 76 65 6e 74 65 |e which |prevente|
|00001ce0| 64 20 77 72 69 74 65 73 | 74 72 2c 20 77 72 69 74 |d writes|tr, writ|
|00001cf0| 65 6c 6e 73 74 72 20 61 | 6e 64 20 65 72 72 6f 72 |elnstr a|nd error|
|00001d00| 73 74 72 20 6d 65 73 73 | 61 67 65 73 20 66 72 6f |str mess|ages fro|
|00001d10| 6d 20 62 65 69 6e 67 20 | 6f 75 74 70 75 74 2e 0d |m being |output..|
|00001d20| 0d 2d 20 31 2e 30 64 34 | 30 20 26 20 31 2e 30 64 |.- 1.0d4|0 & 1.0d|
|00001d30| 33 39 20 2d 20 62 75 67 | 20 66 69 78 20 72 65 6c |39 - bug| fix rel|
|00001d40| 65 61 73 65 73 20 6f 6e | 6c 79 0d 0d a5 a5 20 42 |eases on|ly.... B|
|00001d50| 75 67 20 46 69 78 65 73 | 0d 0d a5 09 54 77 6f 20 |ug Fixes|....Two |
|00001d60| 73 74 75 70 69 64 20 62 | 75 67 73 20 69 6e 74 72 |stupid b|ugs intr|
|00001d70| 6f 64 75 63 65 64 20 69 | 6e 20 33 38 20 68 61 76 |oduced i|n 38 hav|
|00001d80| 65 20 62 65 65 6e 20 72 | 65 6d 6f 76 65 64 2e 20 |e been r|emoved. |
|00001d90| 4f 6e 65 20 61 66 66 65 | 63 74 65 64 20 72 65 74 |One affe|cted ret|
|00001da0| 72 61 63 74 2f 31 2c 20 | 74 68 65 20 6f 74 68 65 |ract/1, |the othe|
|00001db0| 72 20 63 61 75 73 65 64 | 20 70 72 6f 62 6c 65 6d |r caused| problem|
|00001dc0| 73 20 77 68 65 6e 20 74 | 72 61 63 69 6e 67 20 61 |s when t|racing a|
|00001dd0| 6e 20 75 6e 6b 6e 6f 77 | 6e 20 70 72 65 64 69 63 |n unknow|n predic|
|00001de0| 61 74 65 2e 0d 0d 2d 20 | 31 2e 30 64 33 38 0d a5 |ate...- |1.0d38..|
|00001df0| a5 20 4e 65 77 20 46 65 | 61 74 75 72 65 73 20 26 |. New Fe|atures &|
|00001e00| 20 49 6d 70 72 6f 76 65 | 6d 65 6e 74 73 0d 0d a5 | Improve|ments...|
|00001e10| 09 4f 70 65 6e 20 50 72 | 6f 6c 6f 67 20 69 73 20 |.Open Pr|olog is |
|00001e20| 6e 6f 77 20 33 32 2d 62 | 69 74 20 63 6c 65 61 6e |now 32-b|it clean|
|00001e30| 2e 0d 0d a5 a5 20 42 75 | 67 20 66 69 78 65 73 0d |..... Bu|g fixes.|
|00001e40| 0d a5 20 52 65 73 74 72 | 69 63 74 69 6f 6e 73 20 |.. Restr|ictions |
|00001e50| 6f 6e 20 6d 61 78 69 6d | 75 6d 20 63 68 61 72 61 |on maxim|um chara|
|00001e60| 63 74 65 72 20 73 69 7a | 65 20 6f 66 20 61 20 63 |cter siz|e of a c|
|00001e70| 6c 61 75 73 65 2c 20 61 | 6e 64 20 6f 6e 20 74 68 |lause, a|nd on th|
|00001e80| 65 20 27 64 65 70 74 68 | 27 20 6f 72 20 63 6f 6d |e 'depth|' or com|
|00001e90| 70 6c 65 78 69 74 79 20 | 6f 66 20 61 20 74 65 72 |plexity |of a ter|
|00001ea0| 6d 20 62 65 69 6e 67 20 | 72 65 61 64 20 68 61 76 |m being |read hav|
|00001eb0| 65 20 62 65 65 6e 20 72 | 65 6c 61 78 65 64 2e 0d |e been r|elaxed..|
|00001ec0| 0d 2d 20 31 2e 30 64 33 | 37 0d a5 a5 20 4e 65 77 |.- 1.0d3|7... New|
|00001ed0| 20 46 65 61 74 75 72 65 | 73 20 26 20 49 6d 70 72 | Feature|s & Impr|
|00001ee0| 6f 76 65 6d 65 6e 74 73 | 0d 0d a5 20 5c 28 58 29 |ovements|... \(X)|
|00001ef0| 20 61 64 64 65 64 20 74 | 6f 20 61 72 69 74 68 6d | added t|o arithm|
|00001f00| 65 74 69 63 20 66 75 6e | 63 74 69 6f 6e 73 2c 20 |etic fun|ctions, |
|00001f10| 6d 65 61 6e 69 6e 67 20 | 62 69 74 77 69 73 65 20 |meaning |bitwise |
|00001f20| 6e 6f 74 2e 0d 0d a5 20 | 62 61 67 6f 66 2f 33 20 |not.... |bagof/3 |
|00001f30| 61 6e 64 20 73 65 74 6f | 66 2f 33 20 68 61 76 65 |and seto|f/3 have|
|00001f40| 20 62 65 65 6e 20 69 6d | 70 6c 65 6d 65 6e 74 65 | been im|plemente|
|00001f50| 64 20 61 63 63 6f 72 64 | 69 6e 67 20 74 6f 20 74 |d accord|ing to t|
|00001f60| 68 65 20 49 53 4f 20 50 | 72 6f 6c 6f 67 20 44 72 |he ISO P|rolog Dr|
|00001f70| 61 66 74 20 28 65 78 63 | 65 70 74 20 66 6f 72 20 |aft (exc|ept for |
|00001f80| 74 79 70 65 20 61 6e 64 | 20 6d 6f 64 65 20 63 68 |type and| mode ch|
|00001f90| 65 63 6b 73 29 2e 0d 0d | a5 20 63 61 74 63 68 2d |ecks)...|. catch-|
|00001fa0| 61 6e 64 2d 74 68 72 6f | 77 20 65 78 63 65 70 74 |and-thro|w except|
|00001fb0| 69 6f 6e 20 68 61 6e 64 | 6c 69 6e 67 20 68 61 73 |ion hand|ling has|
|00001fc0| 20 62 65 65 6e 20 69 6d | 70 6c 65 6d 65 6e 74 65 | been im|plemente|
|00001fd0| 64 2e 0d 54 68 65 20 49 | 53 4f 20 50 72 6f 6c 6f |d..The I|SO Prolo|
|00001fe0| 67 20 44 72 61 66 74 20 | 6f 66 20 4d 61 72 63 68 |g Draft |of March|
|00001ff0| 20 32 37 20 31 39 39 32 | 20 64 65 73 63 72 69 62 | 27 1992| describ|
|00002000| 65 73 20 61 20 6d 65 74 | 68 6f 64 20 2d 20 63 61 |es a met|hod - ca|
|00002010| 74 63 68 2d 61 6e 64 2d | 74 68 72 6f 77 20 2d 20 |tch-and-|throw - |
|00002020| 6f 66 20 68 61 6e 64 6c | 69 6e 67 20 65 78 63 65 |of handl|ing exce|
|00002030| 70 74 69 6f 6e 61 6c 20 | 63 6f 6e 64 69 74 69 6f |ptional |conditio|
|00002040| 6e 73 20 74 68 61 74 20 | 6f 72 69 67 69 6e 61 74 |ns that |originat|
|00002050| 65 20 65 69 74 68 65 72 | 20 77 69 74 68 20 61 20 |e either| with a |
|00002060| 75 73 65 72 27 73 20 70 | 72 6f 67 72 61 6d 20 6f |user's p|rogram o|
|00002070| 72 20 77 69 74 68 20 74 | 68 65 20 73 79 73 74 65 |r with t|he syste|
|00002080| 6d 2e 20 4f 70 65 6e 20 | 50 72 6f 6c 6f 67 20 6e |m. Open |Prolog n|
|00002090| 6f 77 20 69 6d 70 6c 65 | 6d 65 6e 74 73 20 74 68 |ow imple|ments th|
|000020a0| 65 20 63 61 74 63 68 2f | 33 20 61 6e 64 20 74 68 |e catch/|3 and th|
|000020b0| 72 6f 77 2f 31 20 70 72 | 65 64 69 63 61 74 65 73 |row/1 pr|edicates|
|000020c0| 20 61 73 20 73 70 65 63 | 69 66 69 65 64 20 69 6e | as spec|ified in|
|000020d0| 20 74 68 65 20 64 72 61 | 66 74 2e 20 55 73 65 72 | the dra|ft. User|
|000020e0| 20 70 72 6f 67 72 61 6d | 73 20 63 61 6e 20 75 73 | program|s can us|
|000020f0| 65 20 63 61 74 63 68 20 | 61 6e 64 20 74 68 72 6f |e catch |and thro|
|00002100| 77 20 66 6f 72 20 74 68 | 65 69 72 20 6f 77 6e 20 |w for th|eir own |
|00002110| 65 78 63 65 70 74 69 6f | 6e 20 68 61 6e 64 6c 69 |exceptio|n handli|
|00002120| 6e 67 2e 0d 54 68 65 20 | 49 53 4f 20 64 72 61 66 |ng..The |ISO draf|
|00002130| 74 20 68 61 73 20 74 77 | 6f 20 61 6c 74 65 72 6e |t has tw|o altern|
|00002140| 61 74 69 76 65 20 73 63 | 68 65 6d 65 73 20 66 6f |ative sc|hemes fo|
|00002150| 72 20 68 61 6e 64 6c 69 | 6e 67 20 65 78 63 65 70 |r handli|ng excep|
|00002160| 74 69 6f 6e 73 20 64 75 | 65 20 74 6f 20 65 72 72 |tions du|e to err|
|00002170| 6f 72 73 20 69 6e 20 62 | 75 69 6c 74 2d 69 6e 20 |ors in b|uilt-in |
|00002180| 70 72 65 64 69 63 61 74 | 65 73 2e 20 53 69 6e 63 |predicat|es. Sinc|
|00002190| 65 20 74 68 65 20 64 72 | 61 66 74 20 77 61 73 20 |e the dr|aft was |
|000021a0| 77 72 69 74 74 65 6e 2c | 20 61 6e 6f 74 68 65 72 |written,| another|
|000021b0| 20 73 63 68 65 6d 65 20 | 68 61 73 20 63 6f 6d 65 | scheme |has come|
|000021c0| 20 74 6f 20 70 72 6f 6d | 69 6e 65 6e 63 65 2c 20 | to prom|inence, |
|000021d0| 61 6e 64 20 61 20 76 65 | 72 73 69 6f 6e 20 6f 66 |and a ve|rsion of|
|000021e0| 20 74 68 61 74 20 69 73 | 20 69 6d 70 6c 65 6d 65 | that is| impleme|
|000021f0| 6e 74 65 64 2e 20 50 6c | 65 61 73 65 20 72 65 66 |nted. Pl|ease ref|
|00002200| 65 72 20 74 6f 20 74 68 | 65 20 64 6f 63 75 6d 65 |er to th|e docume|
|00002210| 6e 74 20 65 6e 74 69 74 | 6c 65 64 20 27 45 78 63 |nt entit|led 'Exc|
|00002220| 65 70 74 69 6f 6e 20 48 | 61 6e 64 6c 69 6e 67 27 |eption H|andling'|
|00002230| 20 66 6f 72 20 6d 6f 72 | 65 20 69 6e 66 6f 72 6d | for mor|e inform|
|00002240| 61 74 69 6f 6e 2e 0d 0d | a5 20 54 68 65 20 49 53 |ation...|. The IS|
|00002250| 4f 20 50 72 6f 6c 6f 67 | 20 62 75 69 6c 74 2d 69 |O Prolog| built-i|
|00002260| 6e 20 70 72 65 64 69 63 | 61 74 65 73 20 6f 6e 63 |n predic|ates onc|
|00002270| 65 2f 31 20 61 6e 64 20 | 66 61 69 6c 5f 69 66 2f |e/1 and |fail_if/|
|00002280| 31 20 68 61 76 65 20 62 | 65 65 6e 20 69 6d 70 6c |1 have b|een impl|
|00002290| 65 6d 65 6e 74 65 64 2e | 20 54 68 65 20 70 72 65 |emented.| The pre|
|000022a0| 64 69 63 61 74 65 20 6f | 6e 63 65 28 58 29 20 69 |dicate o|nce(X) i|
|000022b0| 73 20 61 73 20 69 66 20 | 64 65 66 69 6e 65 64 20 |s as if |defined |
|000022c0| 62 79 20 6f 6e 63 65 28 | 58 29 20 3a 2d 20 63 61 |by once(|X) :- ca|
|000022d0| 6c 6c 28 58 29 2c 21 2e | 2c 20 61 6e 64 20 66 61 |ll(X),!.|, and fa|
|000022e0| 69 6c 5f 69 66 28 58 29 | 20 69 73 20 65 78 61 63 |il_if(X)| is exac|
|000022f0| 74 6c 79 20 74 68 65 20 | 73 61 6d 65 20 61 73 20 |tly the |same as |
|00002300| 6e 6f 74 28 58 29 2e 0d | 0d a5 20 46 69 6e 61 6c |not(X)..|.. Final|
|00002310| 6c 79 2c 20 61 66 74 65 | 72 20 6d 61 6e 79 20 72 |ly, afte|r many r|
|00002320| 65 71 75 65 73 74 73 20 | 2d 20 74 68 65 20 62 75 |equests |- the bu|
|00002330| 69 6c 74 2d 69 6e 20 5c | 3d 20 68 61 73 20 62 65 |ilt-in \|= has be|
|00002340| 65 6e 20 62 75 69 6c 74 | 20 69 6e 20 28 21 29 2e |en built| in (!).|
|00002350| 0d 0d a5 20 6e 6f 74 2f | 31 20 68 61 73 20 62 65 |... not/|1 has be|
|00002360| 65 6e 20 73 70 65 65 64 | 65 64 20 75 70 20 2d 20 |en speed|ed up - |
|00002370| 6e 6f 77 20 69 74 27 73 | 20 61 73 20 66 61 73 74 |now it's| as fast|
|00002380| 20 61 73 20 5c 2b 2e 0d | 0d a5 20 70 72 69 6e 74 | as \+..|.. print|
|00002390| 69 6e 67 20 69 73 20 61 | 20 6c 69 74 74 6c 65 20 |ing is a| little |
|000023a0| 6e 69 63 65 72 20 2d 20 | 33 36 2d 70 6f 69 6e 74 |nicer - |36-point|
|000023b0| 20 62 6f 72 64 65 72 73 | 20 61 6c 6c 20 72 6f 75 | borders| all rou|
|000023c0| 6e 64 2c 20 70 72 69 6e | 74 65 72 20 70 65 72 6d |nd, prin|ter perm|
|000023d0| 69 74 74 69 6e 67 2e 0d | 0d a5 09 45 78 74 65 72 |itting..|...Exter|
|000023e0| 6e 61 6c 20 50 72 65 64 | 69 63 61 74 65 20 69 6e |nal Pred|icate in|
|000023f0| 74 65 72 66 61 63 65 20 | 72 65 76 69 73 65 64 20 |terface |revised |
|00002400| 61 6e 64 20 69 6d 70 72 | 6f 76 65 64 20 28 73 65 |and impr|oved (se|
|00002410| 65 20 73 65 70 61 72 61 | 74 65 20 64 6f 63 75 6d |e separa|te docum|
|00002420| 65 6e 74 29 2e 20 49 66 | 20 79 6f 75 20 68 61 76 |ent). If| you hav|
|00002430| 65 20 77 72 69 74 74 65 | 6e 20 61 6e 79 20 65 78 |e writte|n any ex|
|00002440| 74 65 72 6e 61 6c 20 70 | 72 65 64 69 63 61 74 65 |ternal p|redicate|
|00002450| 73 20 6f 66 20 79 6f 75 | 72 20 6f 77 6e 2c 20 79 |s of you|r own, y|
|00002460| 6f 75 27 6c 6c 20 6e 65 | 65 64 20 74 6f 20 72 65 |ou'll ne|ed to re|
|00002470| 63 6f 6d 70 69 6c 65 20 | 74 68 65 6d 20 77 69 74 |compile |them wit|
|00002480| 68 20 74 68 65 20 6e 65 | 77 20 69 6e 74 65 72 66 |h the ne|w interf|
|00002490| 61 63 65 20 61 6e 64 20 | 6c 69 62 72 61 72 79 20 |ace and |library |
|000024a0| 66 69 6c 65 73 2e 0d 0d | a5 a5 20 42 75 67 20 66 |files...|.. Bug f|
|000024b0| 69 78 65 73 0d 0d a5 20 | 65 72 72 6f 72 73 20 72 |ixes... |errors r|
|000024c0| 65 73 75 6c 74 69 6e 67 | 20 66 72 6f 6d 20 74 68 |esulting| from th|
|000024d0| 65 20 73 74 61 63 6b 20 | 72 75 6e 6e 69 6e 67 20 |e stack |running |
|000024e0| 6f 75 74 20 6f 66 20 73 | 70 61 63 65 20 64 75 72 |out of s|pace dur|
|000024f0| 69 6e 67 20 61 20 64 65 | 65 70 20 75 6e 69 66 69 |ing a de|ep unifi|
|00002500| 63 61 74 69 6f 6e 2c 20 | 75 73 75 61 6c 6c 79 20 |cation, |usually |
|00002510| 61 73 20 61 20 72 65 73 | 75 6c 74 20 6f 66 20 61 |as a res|ult of a|
|00002520| 6e 20 6f 63 63 75 72 20 | 63 68 65 63 6b 20 76 69 |n occur |check vi|
|00002530| 6f 6c 61 74 69 6f 6e 2c | 20 68 61 76 65 20 62 65 |olation,| have be|
|00002540| 65 6e 20 74 72 61 70 70 | 65 64 20 61 6e 64 20 63 |en trapp|ed and c|
|00002550| 61 75 73 65 20 61 6e 20 | 65 72 72 6f 72 20 74 6f |ause an |error to|
|00002560| 20 62 65 20 74 68 72 6f | 77 6e 2e 0d 0d a5 09 61 | be thro|wn.....a|
|00002570| 20 64 65 65 70 2d 73 65 | 61 74 65 64 20 62 75 67 | deep-se|ated bug|
|00002580| 20 69 6e 20 74 68 65 20 | 67 61 72 62 61 67 65 20 | in the |garbage |
|00002590| 63 6f 6c 6c 65 63 74 6f | 72 20 66 69 78 65 64 2e |collecto|r fixed.|
|000025a0| 20 49 74 20 73 65 65 6d | 73 20 74 68 69 73 20 62 | It seem|s this b|
|000025b0| 75 67 20 6f 6e 6c 79 20 | 73 68 6f 77 73 20 75 70 |ug only |shows up|
|000025c0| 20 69 6e 20 4d 61 63 20 | 50 6c 75 73 65 73 20 72 | in Mac |Pluses r|
|000025d0| 75 6e 6e 69 6e 67 20 53 | 79 73 74 65 6d 20 36 2e |unning S|ystem 6.|
|000025e0| 0d 0d a5 09 6c 6f 74 73 | 20 6f 66 20 63 6c 69 63 |....lots| of clic|
|000025f0| 6b 69 6e 67 20 26 20 74 | 79 70 69 6e 67 20 77 68 |king & t|yping wh|
|00002600| 69 6c 65 20 4f 70 65 6e | 20 50 72 6f 6c 6f 67 20 |ile Open| Prolog |
|00002610| 77 61 73 20 73 74 61 72 | 74 69 6e 67 20 75 70 20 |was star|ting up |
|00002620| 77 6f 75 6c 64 20 75 70 | 73 65 74 20 69 74 20 2d |would up|set it -|
|00002630| 20 66 69 78 65 64 2e 0d | 0d a5 20 69 66 20 79 6f | fixed..|.. if yo|
|00002640| 75 20 74 72 69 65 64 20 | 74 6f 20 70 72 69 6e 74 |u tried |to print|
|00002650| 20 77 68 69 6c 65 20 74 | 68 65 20 41 62 6f 75 74 | while t|he About|
|00002660| 20 4f 70 65 6e 20 50 72 | 6f 6c 6f 67 c9 20 77 69 | Open Pr|olog. wi|
|00002670| 6e 64 6f 77 20 77 61 73 | 20 6f 70 65 6e 20 61 6e |ndow was| open an|
|00002680| 79 77 68 65 72 65 20 28 | 65 76 65 6e 20 77 68 65 |ywhere (|even whe|
|00002690| 6e 20 68 69 64 64 65 6e | 29 2c 20 74 68 65 20 73 |n hidden|), the s|
|000026a0| 79 73 74 65 6d 20 68 75 | 6e 67 20 75 70 2e 0d 0d |ystem hu|ng up...|
|000026b0| a5 20 79 65 74 20 61 6e | 6f 74 68 65 72 20 6c 6f |. yet an|other lo|
|000026c0| 77 2d 6d 65 6d 6f 72 79 | 20 62 75 67 20 66 69 78 |w-memory| bug fix|
|000026d0| 65 64 2e 0d 0d a5 20 63 | 6f 6d 6d 61 6e 64 2d 2e |ed.... c|ommand-.|
|000026e0| 20 66 6f 72 20 61 62 6f | 72 74 69 6e 67 20 65 78 | for abo|rting ex|
|000026f0| 65 63 75 74 69 6f 6e 20 | 68 61 73 20 62 65 65 6e |ecution |has been|
|00002700| 20 69 6d 70 72 6f 76 65 | 64 2e 20 53 6f 6d 65 74 | improve|d. Somet|
|00002710| 69 6d 65 73 20 69 74 20 | 64 69 64 6e 27 74 20 77 |imes it |didn't w|
|00002720| 6f 72 6b 2c 20 73 61 79 | 20 77 68 65 6e 20 61 20 |ork, say| when a |
|00002730| 6c 6f 6e 67 20 74 65 72 | 6d 20 77 61 73 20 62 65 |long ter|m was be|
|00002740| 69 6e 67 20 77 72 69 74 | 74 65 6e 20 74 6f 20 74 |ing writ|ten to t|
|00002750| 68 65 20 73 63 72 65 65 | 6e 2e 20 4e 6f 77 2c 20 |he scree|n. Now, |
|00002760| 69 74 20 61 6c 77 61 79 | 73 20 73 74 6f 70 73 20 |it alway|s stops |
|00002770| 65 78 65 63 75 74 69 6f | 6e 2c 20 62 75 74 20 69 |executio|n, but i|
|00002780| 74 20 64 6f 65 73 6e 27 | 74 20 73 61 79 20 77 68 |t doesn'|t say wh|
|00002790| 61 74 20 70 72 65 64 69 | 63 61 74 65 20 77 61 73 |at predi|cate was|
|000027a0| 20 65 78 65 63 75 74 69 | 6e 67 20 61 74 20 74 68 | executi|ng at th|
|000027b0| 65 20 74 69 6d 65 2e 20 | 49 6e 73 74 65 61 64 20 |e time. |Instead |
|000027c0| 61 20 6d 65 73 73 61 67 | 65 20 6f 66 20 74 68 65 |a messag|e of the|
|000027d0| 20 66 6f 72 6d 20 65 72 | 72 6f 72 28 75 73 65 72 | form er|ror(user|
|000027e0| 5f 69 6e 74 65 72 72 75 | 70 74 2c 5f 29 20 69 73 |_interru|pt,_) is|
|000027f0| 20 74 68 72 6f 77 6e 2e | 20 41 74 20 70 72 65 73 | thrown.| At pres|
|00002800| 65 6e 74 2c 20 74 68 65 | 20 73 65 63 6f 6e 64 20 |ent, the| second |
|00002810| 61 72 67 75 6d 65 6e 74 | 20 69 73 20 61 6e 20 65 |argument| is an e|
|00002820| 6d 70 74 79 20 6c 69 73 | 74 2e 20 49 74 20 77 69 |mpty lis|t. It wi|
|00002830| 6c 6c 20 63 68 61 6e 67 | 65 20 69 6e 20 66 75 74 |ll chang|e in fut|
|00002840| 75 72 65 2c 20 61 6e 64 | 20 65 78 74 65 72 6e 61 |ure, and| externa|
|00002850| 6c 20 70 72 65 64 69 63 | 61 74 65 73 20 77 69 6c |l predic|ates wil|
|00002860| 6c 20 70 75 74 20 69 6e | 66 6f 72 6d 61 74 69 6f |l put in|formatio|
|00002870| 6e 20 68 65 72 65 20 69 | 66 20 74 68 65 79 20 61 |n here i|f they a|
|00002880| 72 65 20 6c 69 6b 65 77 | 69 73 65 20 73 74 6f 70 |re likew|ise stop|
|00002890| 70 65 64 2e 0d 0d a5 20 | 61 6e 20 6f 70 65 72 61 |ped.... |an opera|
|000028a0| 74 6f 72 20 74 61 6b 69 | 6e 67 20 61 20 63 6f 6e |tor taki|ng a con|
|000028b0| 6a 75 6e 63 74 69 6f 6e | 20 6f 66 20 61 72 67 75 |junction| of argu|
|000028c0| 6d 65 6e 74 73 20 73 68 | 6f 75 6c 64 20 62 65 20 |ments sh|ould be |
|000028d0| 77 72 69 74 74 65 6e 20 | 77 69 74 68 20 61 20 73 |written |with a s|
|000028e0| 70 61 63 65 20 62 65 74 | 77 65 65 6e 20 69 74 20 |pace bet|ween it |
|000028f0| 61 6e 64 20 74 68 65 20 | 62 72 61 63 6b 65 74 20 |and the |bracket |
|00002900| 73 74 61 72 74 69 6e 67 | 20 74 68 65 20 63 6f 6e |starting| the con|
|00002910| 6a 75 6e 63 74 69 6f 6e | 2e 20 54 68 69 73 20 77 |junction|. This w|
|00002920| 61 73 20 6e 6f 74 20 62 | 65 69 6e 67 20 64 6f 6e |as not b|eing don|
|00002930| 65 2c 20 61 6e 64 20 68 | 61 73 20 6e 6f 77 20 62 |e, and h|as now b|
|00002940| 65 65 6e 20 66 69 78 65 | 64 2e 20 45 78 61 6d 70 |een fixe|d. Examp|
|00002950| 6c 65 3a 20 6e 6f 74 28 | 28 61 2c 62 2c 63 29 29 |le: not(|(a,b,c))|
|00002960| 20 73 68 6f 75 6c 64 20 | 62 65 20 77 72 69 74 74 | should |be writt|
|00002970| 65 6e 3a 20 6e 6f 74 20 | 28 61 2c 62 2c 63 29 2c |en: not |(a,b,c),|
|00002980| 20 72 61 74 68 65 72 20 | 74 68 61 6e 20 6e 6f 74 | rather |than not|
|00002990| 28 61 2c 62 2c 63 29 20 | 77 68 69 63 68 20 6c 6f |(a,b,c) |which lo|
|000029a0| 6f 6b 73 20 6c 69 6b 65 | 20 61 20 66 75 6e 63 74 |oks like| a funct|
|000029b0| 6f 72 20 63 61 6c 6c 65 | 64 20 6e 6f 74 20 77 69 |or calle|d not wi|
|000029c0| 74 68 20 61 72 69 74 79 | 20 33 2e 0d 0d a5 20 76 |th arity| 3.... v|
|000029d0| 61 72 69 6f 75 73 20 6c | 69 74 74 6c 65 20 62 75 |arious l|ittle bu|
|000029e0| 67 73 20 69 6e 20 74 68 | 65 20 64 65 62 75 67 67 |gs in th|e debugg|
|000029f0| 65 72 20 63 6c 65 61 6e | 65 64 20 75 70 2e 0d 0d |er clean|ed up...|
|00002a00| a5 20 61 63 74 69 6f 6e | 73 20 63 61 6c 6c 65 64 |. action|s called|
|00002a10| 20 66 72 6f 6d 20 4f 70 | 65 6e 20 50 72 6f 6c 6f | from Op|en Prolo|
|00002a20| 67 20 53 74 61 72 74 75 | 70 20 6f 72 20 4f 70 65 |g Startu|p or Ope|
|00002a30| 6e 20 50 72 6f 6c 6f 67 | 20 4f 70 74 69 6f 6e 73 |n Prolog| Options|
|00002a40| 20 63 6f 75 6c 64 20 6e | 6f 74 20 62 65 20 69 6e | could n|ot be in|
|00002a50| 74 65 72 72 75 70 74 65 | 64 20 77 69 74 68 20 63 |terrupte|d with c|
|00002a60| 6f 6d 6d 61 6e 64 2d 28 | 2e 29 2e 20 46 69 78 65 |ommand-(|.). Fixe|
|00002a70| 64 2e 0d 0d a5 20 61 20 | 62 75 67 20 77 68 69 63 |d.... a |bug whic|
|00002a80| 68 20 63 61 75 73 65 64 | 20 4f 70 65 6e 20 50 72 |h caused| Open Pr|
|00002a90| 6f 6c 6f 67 20 74 6f 20 | 70 75 74 20 6f 6e 65 20 |olog to |put one |
|00002aa0| 63 68 61 72 61 63 74 65 | 72 20 61 74 20 74 68 65 |characte|r at the|
|00002ab0| 20 65 6e 64 20 6f 66 20 | 61 6e 20 65 6d 70 74 79 | end of |an empty|
|00002ac0| 20 66 69 6c 65 20 77 68 | 65 6e 20 74 68 65 20 66 | file wh|en the f|
|00002ad0| 69 6c 65 20 77 61 73 20 | 73 69 6d 70 6c 79 20 6f |ile was |simply o|
|00002ae0| 70 65 6e 65 64 20 61 6e | 64 20 63 6c 6f 73 65 64 |pened an|d closed|
|00002af0| 20 68 61 73 20 62 65 65 | 6e 20 66 69 78 65 64 2e | has bee|n fixed.|
|00002b00| 20 57 68 61 74 20 77 61 | 73 20 68 61 70 70 65 6e | What wa|s happen|
|00002b10| 69 6e 67 20 77 61 73 20 | 74 68 61 74 20 4f 70 65 |ing was |that Ope|
|00002b20| 6e 20 50 72 6f 6c 6f 67 | 20 77 61 73 20 74 72 79 |n Prolog| was try|
|00002b30| 69 6e 67 20 74 6f 20 64 | 69 73 63 6f 76 65 72 20 |ing to d|iscover |
|00002b40| 69 74 73 20 61 63 63 65 | 73 73 20 70 72 69 76 69 |its acce|ss privi|
|00002b50| 6c 69 67 65 73 20 74 6f | 20 74 68 65 20 66 69 6c |liges to| the fil|
|00002b60| 65 20 62 79 20 77 72 69 | 74 69 6e 67 20 74 68 65 |e by wri|ting the|
|00002b70| 20 66 69 72 73 74 20 62 | 79 74 65 20 62 61 63 6b | first b|yte back|
|00002b80| 20 6f 75 74 2e 20 49 66 | 20 74 68 65 20 66 69 6c | out. If| the fil|
|00002b90| 65 20 77 61 73 20 65 6d | 70 74 79 2c 20 74 68 65 |e was em|pty, the|
|00002ba0| 20 62 79 74 65 20 77 61 | 73 20 62 6f 67 75 73 20 | byte wa|s bogus |
|00002bb0| 61 6e 64 20 77 61 73 6e | 27 74 20 62 65 69 6e 67 |and wasn|'t being|
|00002bc0| 20 72 65 6d 6f 76 65 64 | 2e 0d 0d a5 20 61 20 62 | removed|.... a b|
|00002bd0| 75 67 20 69 6e 20 74 68 | 65 20 63 6f 64 65 20 66 |ug in th|e code f|
|00002be0| 6f 72 20 21 20 63 61 75 | 73 65 64 20 74 77 6f 20 |or ! cau|sed two |
|00002bf0| 6b 69 6e 64 73 20 6f 66 | 20 70 72 6f 62 6c 65 6d |kinds of| problem|
|00002c00| 73 20 6f 63 63 61 73 69 | 6f 6e 61 6c 6c 79 20 77 |s occasi|onally w|
|00002c10| 68 65 6e 20 5c 2b 20 6f | 72 20 2d 3e 20 77 61 73 |hen \+ o|r -> was|
|00002c20| 20 75 73 65 64 2e 20 41 | 20 73 79 6d 70 74 6f 6d | used. A| symptom|
|00002c30| 20 6f 66 20 74 68 65 20 | 66 69 72 73 74 20 70 72 | of the |first pr|
|00002c40| 6f 62 6c 65 6d 20 77 61 | 73 20 61 20 27 74 72 20 |oblem wa|s a 'tr |
|00002c50| 65 72 72 6f 72 27 20 6d | 65 73 73 61 67 65 20 6f |error' m|essage o|
|00002c60| 72 20 61 20 73 74 72 61 | 69 67 68 74 66 6f 72 77 |r a stra|ightforw|
|00002c70| 61 72 64 20 63 72 61 73 | 68 2e 20 41 20 73 79 6d |ard cras|h. A sym|
|00002c80| 70 74 6f 6d 20 6f 66 20 | 74 68 65 20 73 65 63 6f |ptom of |the seco|
|00002c90| 6e 64 20 65 72 72 6f 72 | 20 77 61 73 20 74 68 61 |nd error| was tha|
|00002ca0| 74 20 61 20 27 74 72 20 | 65 72 72 6f 72 27 20 6f |t a 'tr |error' o|
|00002cb0| 72 20 63 72 61 73 68 20 | 77 6f 75 6c 64 20 6f 63 |r crash |would oc|
|00002cc0| 63 75 72 20 61 66 74 65 | 72 20 61 62 6f 72 74 69 |cur afte|r aborti|
|00002cd0| 6e 67 20 66 72 6f 6d 20 | 61 20 70 72 6f 67 72 61 |ng from |a progra|
|00002ce0| 6d 20 77 68 69 63 68 20 | 75 73 65 64 20 5c 2b 20 |m which |used \+ |
|00002cf0| 6f 72 20 2d 3e 2e 20 46 | 69 78 65 64 2e 0d 0d a5 |or ->. F|ixed....|
|00002d00| 20 70 72 69 6e 74 69 6e | 67 20 73 6f 6d 65 74 69 | printin|g someti|
|00002d10| 6d 65 73 20 68 75 6e 67 | 20 75 70 20 64 75 65 20 |mes hung| up due |
|00002d20| 74 6f 20 61 20 66 61 75 | 6c 74 79 20 6d 65 6d 6f |to a fau|lty memo|
|00002d30| 72 79 20 72 65 71 75 65 | 73 74 65 72 2e 20 46 69 |ry reque|ster. Fi|
|00002d40| 78 65 64 2e 0d 0d a5 20 | 61 20 66 6f 72 6d 61 74 |xed.... |a format|
|00002d50| 74 69 6e 67 20 69 6e 66 | 65 6c 69 63 69 74 79 20 |ting inf|elicity |
|00002d60| 77 68 65 6e 20 6c 69 73 | 74 69 6e 67 20 61 20 64 |when lis|ting a d|
|00002d70| 69 73 6a 75 6e 63 74 69 | 6f 6e 20 6f 66 20 67 6f |isjuncti|on of go|
|00002d80| 61 6c 73 20 68 61 73 20 | 62 65 65 6e 20 72 65 70 |als has |been rep|
|00002d90| 61 69 72 65 64 2e 0d 0d | a5 09 61 20 62 75 67 20 |aired...|..a bug |
|00002da0| 69 6e 20 74 68 65 20 44 | 43 47 20 70 61 72 73 65 |in the D|CG parse|
|00002db0| 72 20 68 61 73 20 62 65 | 65 6e 20 66 69 78 65 64 |r has be|en fixed|
|00002dc0| 20 77 68 69 63 68 20 63 | 61 75 73 65 64 20 61 20 | which c|aused a |
|00002dd0| 66 61 74 61 6c 20 64 69 | 61 67 6e 6f 73 74 69 63 |fatal di|agnostic|
|00002de0| 20 65 72 72 6f 72 0d 77 | 68 65 6e 65 76 65 72 20 | error.w|henever |
|00002df0| 61 20 44 65 66 69 6e 69 | 74 65 20 43 6c 61 75 73 |a Defini|te Claus|
|00002e00| 65 20 63 6f 6e 74 61 69 | 6e 69 6e 67 20 61 20 64 |e contai|ning a d|
|00002e10| 69 73 6a 75 6e 63 74 69 | 6f 6e 20 77 61 73 20 74 |isjuncti|on was t|
|00002e20| 6f 20 62 65 20 74 72 61 | 6e 73 6c 61 74 65 64 2e |o be tra|nslated.|
|00002e30| 0d 0d a5 20 61 20 62 75 | 67 20 69 6e 20 72 65 61 |... a bu|g in rea|
|00002e40| 64 2f 31 2c 20 67 65 74 | 2f 31 20 61 6e 64 20 67 |d/1, get|/1 and g|
|00002e50| 65 74 30 2f 31 20 68 61 | 73 20 62 65 65 6e 20 66 |et0/1 ha|s been f|
|00002e60| 69 78 65 64 2e 20 54 68 | 65 20 62 75 67 20 6f 63 |ixed. Th|e bug oc|
|00002e70| 63 75 72 65 64 0d 77 68 | 65 6e 20 74 68 65 20 74 |cured.wh|en the t|
|00002e80| 65 72 6d 20 6f 72 20 63 | 68 61 72 61 63 74 65 72 |erm or c|haracter|
|00002e90| 20 72 65 61 64 20 66 72 | 6f 6d 20 74 68 65 20 69 | read fr|om the i|
|00002ea0| 6e 70 75 74 20 73 74 72 | 65 61 6d 20 63 6f 75 6c |nput str|eam coul|
|00002eb0| 64 6e 27 74 0d 75 6e 69 | 66 79 20 77 69 74 68 20 |dn't.uni|fy with |
|00002ec0| 74 68 65 20 61 72 67 75 | 6d 65 6e 74 20 73 75 70 |the argu|ment sup|
|00002ed0| 70 6c 69 65 64 2e 0d 57 | 68 65 6e 20 75 6e 69 66 |plied..W|hen unif|
|00002ee0| 69 63 61 74 69 6f 6e 20 | 66 61 69 6c 73 20 6c 69 |ication |fails li|
|00002ef0| 6b 65 20 74 68 61 74 2c | 20 74 68 65 20 70 72 65 |ke that,| the pre|
|00002f00| 64 69 63 61 74 65 20 73 | 68 6f 75 6c 64 20 68 61 |dicate s|hould ha|
|00002f10| 76 65 20 66 61 69 6c 65 | 64 2c 20 62 75 74 20 0d |ve faile|d, but .|
|00002f20| 62 65 63 61 75 73 65 20 | 6f 66 20 74 68 65 20 62 |because |of the b|
|00002f30| 75 67 2c 20 74 68 65 20 | 63 61 6c 6c 20 73 75 63 |ug, the |call suc|
|00002f40| 63 65 65 64 65 64 2e 0d | 54 68 65 20 62 75 67 20 |ceeded..|The bug |
|00002f50| 68 61 73 20 62 65 65 6e | 20 66 69 78 65 64 2e 0d |has been| fixed..|
|00002f60| 0d a5 20 73 70 79 2c 20 | 6e 6f 73 70 79 20 61 6e |.. spy, |nospy an|
|00002f70| 64 20 73 70 79 69 6e 67 | 20 77 65 72 65 20 69 6e |d spying| were in|
|00002f80| 76 69 73 69 62 6c 65 21 | 20 2d 20 66 69 78 65 64 |visible!| - fixed|
|00002f90| 0d 0d a5 20 6c 69 73 74 | 69 6e 67 20 61 6c 77 61 |... list|ing alwa|
|00002fa0| 79 73 20 72 65 74 75 72 | 6e 65 64 20 61 20 62 6f |ys retur|ned a bo|
|00002fb0| 67 75 73 20 65 72 72 6f | 72 20 2d 20 66 69 78 65 |gus erro|r - fixe|
|00002fc0| 64 0d 0d a5 20 61 20 70 | 61 72 73 69 6e 67 20 62 |d... a p|arsing b|
|00002fd0| 75 67 20 6f 63 63 75 72 | 65 64 20 77 68 65 72 65 |ug occur|ed where|
|00002fe0| 20 61 20 70 6f 73 74 66 | 69 78 20 6f 70 65 72 61 | a postf|ix opera|
|00002ff0| 74 6f 72 20 6f 66 20 6d | 6f 72 65 20 74 68 61 74 |tor of m|ore that|
|00003000| 20 31 30 30 30 20 77 61 | 73 20 69 6e 63 6f 72 72 | 1000 wa|s incorr|
|00003010| 65 63 74 6c 79 20 75 73 | 65 64 2e 20 49 6e 73 74 |ectly us|ed. Inst|
|00003020| 65 61 64 20 6f 66 20 72 | 65 70 6f 72 74 69 6e 67 |ead of r|eporting|
|00003030| 20 74 68 65 20 65 72 72 | 6f 72 2c 20 74 68 65 20 | the err|or, the |
|00003040| 70 61 72 73 65 72 20 63 | 72 61 73 68 65 64 2e 20 |parser c|rashed. |
|00003050| 2d 20 66 69 78 65 64 2e | 0d 0d 2d 20 31 2e 30 64 |- fixed.|..- 1.0d|
|00003060| 33 36 0d a5 a5 20 4e 65 | 77 20 66 65 61 74 75 72 |36... Ne|w featur|
|00003070| 65 73 3a 0d 28 53 75 6d | 6d 61 72 79 3a 20 3b 20 |es:.(Sum|mary: ; |
|00003080| 2d 3e 20 5c 2b 20 61 6e | 64 20 c2 20 69 6d 70 6c |-> \+ an|d . impl|
|00003090| 65 6d 65 6e 74 65 64 20 | 66 75 6c 6c 79 3b 20 70 |emented |fully; p|
|000030a0| 72 69 6e 74 2f 31 20 69 | 6d 70 72 6f 76 65 64 3b |rint/1 i|mproved;|
|000030b0| 20 74 72 61 63 65 2f 31 | 20 72 65 77 72 69 74 74 | trace/1| rewritt|
|000030c0| 65 6e 20 77 69 74 68 20 | 73 70 79 20 70 6f 69 6e |en with |spy poin|
|000030d0| 74 73 29 0d 0d a5 09 64 | 69 73 6a 75 6e 63 74 69 |ts)....d|isjuncti|
|000030e0| 6f 6e 20 28 27 3b 27 2f | 32 29 2c 20 69 66 2d 74 |on (';'/|2), if-t|
|000030f0| 68 65 6e 20 28 27 2d 3e | 27 2f 32 29 2c 20 69 66 |hen ('->|'/2), if|
|00003100| 2d 74 68 65 6e 2d 65 6c | 73 65 2c 20 61 6e 64 20 |-then-el|se, and |
|00003110| 5c 2b 20 6e 6f 77 20 77 | 6f 72 6b 20 70 72 6f 70 |\+ now w|ork prop|
|00003120| 65 72 6c 79 20 77 69 74 | 68 20 72 65 73 70 65 63 |erly wit|h respec|
|00003130| 74 20 74 6f 20 63 75 74 | 73 2c 20 61 6e 64 20 63 |t to cut|s, and c|
|00003140| 6f 6e 66 6f 72 6d 20 74 | 6f 20 74 68 65 20 49 53 |onform t|o the IS|
|00003150| 4f 20 50 72 6f 6c 6f 67 | 20 64 72 61 66 74 2e 20 |O Prolog| draft. |
|00003160| 54 68 65 79 20 61 72 65 | 20 61 6c 73 6f 20 63 6f |They are| also co|
|00003170| 6e 73 69 64 65 72 61 62 | 6c 79 20 66 61 73 74 65 |nsiderab|ly faste|
|00003180| 72 20 74 68 61 6e 20 62 | 65 66 6f 72 65 2e 0d a5 |r than b|efore...|
|00003190| 20 54 68 65 20 73 79 6d | 62 6f 6c 20 c2 20 28 69 | The sym|bol . (i|
|000031a0| 2e 65 2e 20 6f 70 74 69 | 6f 6e 2d 6c 29 20 69 73 |.e. opti|on-l) is|
|000031b0| 20 61 63 63 65 70 74 61 | 62 6c 65 20 69 6e 73 74 | accepta|ble inst|
|000031c0| 65 61 64 20 6f 66 20 5c | 2b 20 2e 20 54 68 69 73 |ead of \|+ . This|
|000031d0| 20 75 73 65 20 6f 66 20 | c2 20 69 73 20 6e 6f 74 | use of |. is not|
|000031e0| 20 73 74 61 6e 64 61 72 | 64 2c 20 73 6f 20 70 72 | standar|d, so pr|
|000031f0| 6f 67 72 61 6d 73 20 75 | 73 69 6e 67 20 c2 20 77 |ograms u|sing . w|
|00003200| 6f 6e 27 74 20 77 6f 72 | 6b 20 6f 6e 20 6f 74 68 |on't wor|k on oth|
|00003210| 65 72 20 50 72 6f 6c 6f | 67 73 20 77 69 74 68 6f |er Prolo|gs witho|
|00003220| 75 74 20 6d 6f 64 69 66 | 69 63 61 74 69 6f 6e 2e |ut modif|ication.|
|00003230| 0d 0d a5 20 70 72 69 6e | 74 2f 31 20 68 61 73 20 |... prin|t/1 has |
|00003240| 62 65 65 6e 20 72 65 76 | 69 73 65 64 20 74 6f 20 |been rev|ised to |
|00003250| 63 61 6c 6c 20 70 6f 72 | 74 72 61 79 2f 31 20 72 |call por|tray/1 r|
|00003260| 65 63 75 72 73 69 76 65 | 6c 79 20 6f 6e 20 61 72 |ecursive|ly on ar|
|00003270| 67 75 6d 65 6e 74 73 2e | 20 42 65 66 6f 72 65 2c |guments.| Before,|
|00003280| 20 69 74 20 75 73 65 64 | 20 6f 6e 6c 79 20 63 61 | it used| only ca|
|00003290| 6c 6c 65 64 20 70 6f 72 | 74 72 61 79 2f 31 20 61 |lled por|tray/1 a|
|000032a0| 74 20 74 68 65 20 74 6f | 70 20 6c 65 76 65 6c 2e |t the to|p level.|
|000032b0| 0d 54 68 65 20 74 72 61 | 63 65 20 68 61 6e 64 6c |.The tra|ce handl|
|000032c0| 65 72 20 61 6e 64 20 74 | 68 65 20 74 6f 70 2d 6c |er and t|he top-l|
|000032d0| 65 76 65 6c 20 6c 6f 6f | 70 20 6e 6f 77 20 75 73 |evel loo|p now us|
|000032e0| 65 73 20 70 72 69 6e 74 | 2f 31 20 74 6f 20 6f 75 |es print|/1 to ou|
|000032f0| 74 70 75 74 20 61 72 67 | 75 6d 65 6e 74 73 2c 20 |tput arg|uments, |
|00003300| 73 6f 20 79 6f 75 20 63 | 61 6e 20 6d 6f 64 69 66 |so you c|an modif|
|00003310| 79 20 74 68 65 69 72 20 | 62 65 68 61 76 69 6f 75 |y their |behaviou|
|00003320| 72 20 62 79 20 77 72 69 | 74 69 6e 67 20 73 70 65 |r by wri|ting spe|
|00003330| 63 69 61 6c 69 73 65 64 | 20 70 6f 72 74 72 61 79 |cialised| portray|
|00003340| 2f 31 20 68 61 6e 64 6c | 65 72 73 2e 0d 0d a5 20 |/1 handl|ers.... |
|00003350| 74 72 61 63 65 2f 31 20 | 68 61 73 20 62 65 65 6e |trace/1 |has been|
|00003360| 20 73 75 62 73 74 61 6e | 74 69 61 6c 6c 79 20 72 | substan|tially r|
|00003370| 65 77 72 69 74 74 65 6e | 20 74 6f 20 68 61 6e 64 |ewritten| to hand|
|00003380| 6c 65 20 63 6f 6e 74 72 | 6f 6c 20 63 61 6c 6c 73 |le contr|ol calls|
|00003390| 20 70 72 6f 70 65 72 6c | 79 2e 20 49 74 27 73 20 | properl|y. It's |
|000033a0| 61 6c 73 6f 20 70 72 65 | 74 74 69 65 72 2e 0d 54 |also pre|ttier..T|
|000033b0| 68 65 20 63 6f 6e 74 72 | 6f 6c 20 63 61 6c 6c 73 |he contr|ol calls|
|000033c0| 20 61 72 65 20 3b 2f 32 | 20 5c 2b 2f 31 20 2c 2f | are ;/2| \+/1 ,/|
|000033d0| 32 20 2d 3e 20 28 69 2e | 65 2e 20 64 69 73 6a 75 |2 -> (i.|e. disju|
|000033e0| 6e 63 74 69 6f 6e 2c 20 | 6e 65 67 61 74 69 6f 6e |nction, |negation|
|000033f0| 2c 20 63 6f 6e 6a 75 6e | 63 74 69 6f 6e 2c 20 69 |, conjun|ction, i|
|00003400| 66 2d 74 68 65 6e 20 61 | 6e 64 20 69 66 2d 74 68 |f-then a|nd if-th|
|00003410| 65 6e 2d 65 6c 73 65 29 | 2e 0d 0d 54 68 65 20 72 |en-else)|...The r|
|00003420| 65 76 69 73 65 64 20 74 | 72 61 63 65 20 68 61 6e |evised t|race han|
|00003430| 64 6c 65 72 20 61 6c 73 | 6f 20 73 75 70 70 6f 72 |dler als|o suppor|
|00003440| 74 73 20 61 20 6c 69 6d | 69 74 65 64 20 66 6f 72 |ts a lim|ited for|
|00003450| 6d 20 6f 66 20 73 70 79 | 69 6e 67 2e 0d 0d 54 68 |m of spy|ing...Th|
|00003460| 65 20 74 72 61 63 65 20 | 68 61 6e 64 6c 65 72 20 |e trace |handler |
|00003470| 69 73 20 61 20 73 70 65 | 63 69 61 6c 69 73 65 64 |is a spe|cialised|
|00003480| 20 69 6e 74 65 72 70 72 | 65 74 65 72 2c 20 77 72 | interpr|eter, wr|
|00003490| 69 74 74 65 6e 20 69 6e | 20 50 72 6f 6c 6f 67 2c |itten in| Prolog,|
|000034a0| 20 74 6f 20 69 6e 74 65 | 72 70 72 65 74 20 50 72 | to inte|rpret Pr|
|000034b0| 6f 6c 6f 67 20 70 72 6f | 67 72 61 6d 73 2e 20 49 |olog pro|grams. I|
|000034c0| 74 20 68 61 73 20 62 65 | 65 6e 20 62 75 69 6c 74 |t has be|en built|
|000034d0| 20 27 66 6f 72 20 63 6f | 6d 66 6f 72 74 20 61 6e | 'for co|mfort an|
|000034e0| 64 20 6e 6f 74 20 66 6f | 72 20 73 70 65 65 64 27 |d not fo|r speed'|
|000034f0| 2c 20 61 6e 64 20 69 74 | 20 69 73 20 61 62 6f 75 |, and it| is abou|
|00003500| 74 20 74 77 65 6e 74 79 | 20 74 69 6d 65 73 20 73 |t twenty| times s|
|00003510| 6c 6f 77 65 72 20 74 68 | 61 6e 20 6e 6f 72 6d 61 |lower th|an norma|
|00003520| 6c 2e 20 49 6e 20 61 64 | 64 69 74 69 6f 6e 2c 20 |l. In ad|dition, |
|00003530| 74 61 69 6c 20 72 65 63 | 75 72 73 69 6f 6e 20 68 |tail rec|ursion h|
|00003540| 61 73 20 74 6f 20 62 65 | 20 73 77 69 74 63 68 65 |as to be| switche|
|00003550| 64 20 6f 66 66 20 66 6f | 72 20 64 65 62 75 67 67 |d off fo|r debugg|
|00003560| 69 6e 67 2c 20 73 6f 20 | 73 74 61 63 6b 73 20 63 |ing, so |stacks c|
|00003570| 61 6e 20 65 61 73 69 6c | 79 20 6f 76 65 72 66 6c |an easil|y overfl|
|00003580| 6f 77 20 64 75 72 69 6e | 67 20 64 65 62 75 67 67 |ow durin|g debugg|
|00003590| 69 6e 67 2e 0d 0d 46 69 | 76 65 20 6e 65 77 20 62 |ing...Fi|ve new b|
|000035a0| 75 69 6c 74 2d 69 6e 73 | 20 61 6e 64 20 6f 6e 65 |uilt-ins| and one|
|000035b0| 20 6e 65 77 20 68 6f 6f | 6b 20 61 72 65 20 61 73 | new hoo|k are as|
|000035c0| 73 6f 63 69 61 74 65 64 | 20 77 69 74 68 20 74 72 |sociated| with tr|
|000035d0| 61 63 65 2f 31 2e 0d 2d | 3e 20 73 70 79 28 50 72 |ace/1..-|> spy(Pr|
|000035e0| 65 64 69 63 61 74 65 29 | 20 54 68 69 73 20 73 65 |edicate)| This se|
|000035f0| 74 73 20 74 68 65 20 74 | 72 61 63 65 20 68 61 6e |ts the t|race han|
|00003600| 64 6c 65 72 20 74 6f 20 | 73 74 6f 70 20 77 68 65 |dler to |stop whe|
|00003610| 6e 20 74 68 65 20 70 72 | 65 64 69 63 61 74 65 20 |n the pr|edicate |
|00003620| 69 73 20 65 6e 63 6f 75 | 6e 74 65 72 65 64 2e 20 |is encou|ntered. |
|00003630| 49 66 20 79 6f 75 72 20 | 61 72 65 20 74 72 61 63 |If your |are trac|
|00003640| 69 6e 67 20 74 68 72 6f | 75 67 68 20 63 6f 64 65 |ing thro|ugh code|
|00003650| 2c 20 79 6f 75 20 63 61 | 6e 20 73 77 69 74 63 68 |, you ca|n switch|
|00003660| 20 6f 66 66 20 64 65 62 | 75 67 20 6c 69 73 74 69 | off deb|ug listi|
|00003670| 6e 67 20 28 75 73 69 6e | 67 20 27 6c 65 61 70 27 |ng (usin|g 'leap'|
|00003680| 29 2c 20 75 6e 74 69 6c | 20 61 20 73 70 79 20 70 |), until| a spy p|
|00003690| 6f 69 6e 74 20 69 73 20 | 65 6e 63 6f 75 6e 74 65 |oint is |encounte|
|000036a0| 72 65 64 2e 20 41 20 73 | 70 79 20 70 6f 69 6e 74 |red. A s|py point|
|000036b0| 20 69 73 20 61 6c 6d 6f | 73 74 20 69 64 65 6e 74 | is almo|st ident|
|000036c0| 69 63 61 6c 20 74 6f 20 | 61 20 62 72 65 61 6b 70 |ical to |a breakp|
|000036d0| 6f 69 6e 74 20 69 6e 20 | 61 20 63 6f 6e 76 65 6e |oint in |a conven|
|000036e0| 74 69 6f 6e 61 6c 20 6c | 61 6e 67 75 61 67 65 20 |tional l|anguage |
|000036f0| 64 65 62 75 67 67 65 72 | 2e 0d 2d 3e 20 6e 6f 73 |debugger|..-> nos|
|00003700| 70 79 28 50 72 65 64 69 | 63 61 74 65 29 20 54 68 |py(Predi|cate) Th|
|00003710| 69 73 20 72 65 6d 6f 76 | 65 73 20 74 68 65 20 27 |is remov|es the '|
|00003720| 73 70 79 20 70 6f 69 6e | 74 27 20 66 72 6f 6d 20 |spy poin|t' from |
|00003730| 74 68 69 73 20 70 72 65 | 64 69 63 61 74 65 2e 0d |this pre|dicate..|
|00003740| 2d 3e 20 73 70 79 69 6e | 67 2e 20 54 68 69 73 20 |-> spyin|g. This |
|00003750| 6c 69 73 74 73 20 74 68 | 65 20 70 72 65 64 69 63 |lists th|e predic|
|00003760| 61 74 65 73 20 74 68 61 | 74 20 61 72 65 20 63 75 |ates tha|t are cu|
|00003770| 72 72 65 6e 74 6c 79 20 | 6d 61 72 6b 65 64 20 77 |rrently |marked w|
|00003780| 69 74 68 20 73 70 79 20 | 70 6f 69 6e 74 73 2e 0d |ith spy |points..|
|00003790| 2d 3e 20 75 73 65 44 65 | 62 75 67 57 69 6e 64 6f |-> useDe|bugWindo|
|000037a0| 77 28 4f 6c 64 57 69 6e | 64 6f 77 2c 4e 65 77 57 |w(OldWin|dow,NewW|
|000037b0| 69 6e 64 6f 77 29 20 4e | 65 77 57 69 6e 64 6f 77 |indow) N|ewWindow|
|000037c0| 20 73 68 6f 75 6c 64 20 | 62 65 20 73 65 74 20 74 | should |be set t|
|000037d0| 6f 20 74 68 65 20 6e 61 | 6d 65 20 6f 66 20 61 20 |o the na|me of a |
|000037e0| 77 69 6e 64 6f 77 20 69 | 6e 20 77 68 69 63 68 20 |window i|n which |
|000037f0| 74 68 65 20 74 72 61 63 | 69 6e 67 20 69 6e 66 6f |the trac|ing info|
|00003800| 72 6d 61 74 69 6f 6e 20 | 73 68 6f 75 6c 64 20 62 |rmation |should b|
|00003810| 65 20 64 69 73 70 6c 61 | 79 65 64 2c 20 6f 72 20 |e displa|yed, or |
|00003820| 65 6e 74 65 72 20 27 6e | 6f 27 20 69 66 20 79 6f |enter 'n|o' if yo|
|00003830| 75 20 77 61 6e 74 20 74 | 6f 20 75 73 65 20 74 68 |u want t|o use th|
|00003840| 65 20 57 6f 72 6b 73 68 | 65 65 74 2e 0d 42 79 20 |e Worksh|eet..By |
|00003850| 64 65 66 61 75 6c 74 2c | 20 61 20 77 69 6e 64 6f |default,| a windo|
|00003860| 77 20 63 61 6c 6c 65 64 | 20 27 4f 70 65 6e 20 50 |w called| 'Open P|
|00003870| 72 6f 6c 6f 67 20 44 65 | 62 75 67 20 57 69 6e 64 |rolog De|bug Wind|
|00003880| 6f 77 27 20 69 73 20 75 | 73 65 64 2e 0d 2d 3e 20 |ow' is u|sed..-> |
|00003890| 6c 65 61 73 68 28 50 6f | 72 74 2c 4f 6c 64 53 74 |leash(Po|rt,OldSt|
|000038a0| 61 74 65 2c 4e 65 77 53 | 74 61 74 65 29 2e 20 54 |ate,NewS|tate). T|
|000038b0| 68 65 20 70 6f 72 74 73 | 20 61 72 65 20 63 61 6c |he ports| are cal|
|000038c0| 6c 2c 20 65 78 69 74 2c | 20 72 65 64 6f 20 61 6e |l, exit,| redo an|
|000038d0| 64 20 66 61 69 6c 2e 20 | 49 66 20 6c 65 61 73 68 |d fail. |If leash|
|000038e0| 69 6e 67 20 69 73 20 6f | 6e 20 74 68 65 6e 20 74 |ing is o|n then t|
|000038f0| 68 65 20 74 72 61 63 65 | 20 77 69 6c 6c 20 73 74 |he trace| will st|
|00003900| 6f 70 20 74 6f 20 61 6c | 6c 6f 77 20 79 6f 75 20 |op to al|low you |
|00003910| 74 6f 20 65 6e 74 65 72 | 20 61 20 63 6f 6d 6d 61 |to enter| a comma|
|00003920| 6e 64 2e 20 49 66 20 6c | 65 61 73 68 69 6e 67 20 |nd. If l|eashing |
|00003930| 69 73 20 6f 66 66 2c 20 | 74 68 65 20 74 72 61 63 |is off, |the trac|
|00003940| 65 20 69 6e 66 6f 72 6d | 61 74 69 6f 6e 20 77 69 |e inform|ation wi|
|00003950| 6c 6c 20 62 65 20 77 72 | 69 74 74 65 6e 20 61 6e |ll be wr|itten an|
|00003960| 64 20 74 72 61 63 69 6e | 67 20 77 69 6c 6c 20 63 |d tracin|g will c|
|00003970| 6f 6e 74 69 6e 75 65 20 | 77 69 74 68 6f 75 74 20 |ontinue |without |
|00003980| 61 20 62 72 65 61 6b 2e | 0d 42 79 20 64 65 66 61 |a break.|.By defa|
|00003990| 75 6c 74 2c 20 6c 65 61 | 73 68 69 6e 67 20 69 73 |ult, lea|shing is|
|000039a0| 20 6f 6e 20 61 74 20 61 | 6c 6c 20 66 6f 75 72 20 | on at a|ll four |
|000039b0| 70 6f 72 74 73 2e 0d 2d | 3e 20 64 65 62 75 67 53 |ports..-|> debugS|
|000039c0| 74 61 72 74 41 63 74 69 | 6f 6e 20 69 73 20 61 6e |tartActi|on is an|
|000039d0| 20 6f 70 74 69 6f 6e 61 | 6c 20 70 72 65 64 69 63 | optiona|l predic|
|000039e0| 61 74 65 20 77 68 69 63 | 68 20 77 69 6c 6c 20 62 |ate whic|h will b|
|000039f0| 65 20 65 78 65 63 75 74 | 65 64 20 61 74 20 74 68 |e execut|ed at th|
|00003a00| 65 20 73 74 61 72 74 20 | 6f 66 20 61 20 74 72 61 |e start |of a tra|
|00003a10| 63 65 2c 20 61 66 74 65 | 72 20 74 68 65 20 74 72 |ce, afte|r the tr|
|00003a20| 61 63 65 20 77 69 6e 64 | 6f 77 20 28 69 66 20 61 |ace wind|ow (if a|
|00003a30| 6e 79 29 20 68 61 73 20 | 62 65 65 6e 20 6f 70 65 |ny) has |been ope|
|00003a40| 6e 65 64 2e 20 59 6f 75 | 20 63 6f 75 6c 64 20 75 |ned. You| could u|
|00003a50| 73 65 20 69 66 2c 20 66 | 6f 72 20 65 78 61 6d 70 |se if, f|or examp|
|00003a60| 6c 65 2c 20 74 6f 20 77 | 72 69 74 65 20 6f 75 74 |le, to w|rite out|
|00003a70| 20 74 68 65 20 64 61 74 | 65 20 61 6e 64 20 74 69 | the dat|e and ti|
|00003a80| 6d 65 20 77 68 65 6e 20 | 64 65 62 75 67 67 69 6e |me when |debuggin|
|00003a90| 67 20 73 74 61 72 74 65 | 64 2c 20 62 79 20 64 65 |g starte|d, by de|
|00003aa0| 66 69 6e 69 6e 67 20 74 | 68 65 20 66 6f 6c 6c 6f |fining t|he follo|
|00003ab0| 77 69 6e 67 20 63 6c 61 | 75 73 65 20 69 6e 20 79 |wing cla|use in y|
|00003ac0| 6f 75 72 20 73 74 61 72 | 74 75 70 20 6f 72 20 6f |our star|tup or o|
|00003ad0| 70 74 69 6f 6e 73 20 66 | 69 6c 65 3a 0d 0d 64 65 |ptions f|ile:..de|
|00003ae0| 62 75 67 53 74 61 72 74 | 41 63 74 69 6f 6e 20 3a |bugStart|Action :|
|00003af0| 2d 0d 20 20 20 20 20 20 | 20 20 27 73 79 73 74 65 |-. | 'syste|
|00003b00| 6d 24 73 65 63 6f 6e 64 | 73 27 28 53 29 2c 0d 20 |m$second|s'(S),. |
|00003b10| 20 20 20 20 20 20 20 27 | 73 79 73 74 65 6d 24 64 | '|system$d|
|00003b20| 61 74 65 27 28 53 2c 44 | 29 2c 0d 20 20 20 20 20 |ate'(S,D|),. |
|00003b30| 20 20 20 27 73 79 73 74 | 65 6d 24 74 69 6d 65 27 | 'syst|em$time'|
|00003b40| 28 53 2c 54 29 2c 0d 20 | 20 20 20 20 20 20 20 6e |(S,T),. | n|
|00003b50| 6c 2c 0d 20 20 20 20 20 | 20 20 20 77 72 69 74 65 |l,. | write|
|00003b60| 28 44 29 2c 0d 20 20 20 | 20 20 20 20 20 77 72 69 |(D),. | wri|
|00003b70| 74 65 28 27 2c 20 27 29 | 2c 0d 20 20 20 20 20 20 |te(', ')|,. |
|00003b80| 20 20 77 72 69 74 65 28 | 54 29 2c 0d 20 20 20 20 | write(|T),. |
|00003b90| 20 20 20 20 6e 6c 2e 0d | 0d a5 20 61 20 6e 65 77 | nl..|.. a new|
|00003ba0| 20 62 75 69 6c 74 2d 69 | 6e 20 27 67 65 74 24 65 | built-i|n 'get$e|
|00003bb0| 72 72 6f 72 24 73 74 72 | 69 6e 67 27 28 4e 75 6d |rror$str|ing'(Num|
|00003bc0| 62 65 72 2c 41 74 6f 6d | 29 20 68 61 73 20 62 65 |ber,Atom|) has be|
|00003bd0| 65 6e 20 61 64 64 65 64 | 2e 20 49 66 20 4e 75 6d |en added|. If Num|
|00003be0| 62 65 72 20 69 73 20 61 | 20 4d 61 63 69 6e 74 6f |ber is a| Macinto|
|00003bf0| 73 68 2d 67 65 6e 65 72 | 61 74 65 64 20 65 72 72 |sh-gener|ated err|
|00003c00| 6f 72 20 6e 75 6d 62 65 | 72 2c 20 74 68 65 6e 20 |or numbe|r, then |
|00003c10| 41 74 6f 6d 20 77 69 6c | 6c 20 62 65 20 75 6e 69 |Atom wil|l be uni|
|00003c20| 66 69 65 64 20 77 69 74 | 68 20 74 68 65 20 65 72 |fied wit|h the er|
|00003c30| 72 6f 72 20 6d 65 73 73 | 61 67 65 2e 0d 0d 0d 0d |ror mess|age.....|
|00003c40| a5 a5 20 42 75 67 20 46 | 69 78 65 73 3a 0d 0d a5 |.. Bug F|ixes:...|
|00003c50| 20 69 66 20 74 68 65 20 | 77 6f 72 6b 73 68 65 65 | if the |workshee|
|00003c60| 74 20 69 73 20 61 6c 72 | 65 61 64 79 20 6f 70 65 |t is alr|eady ope|
|00003c70| 6e 2c 20 69 74 20 63 61 | 6e 27 74 20 67 65 74 20 |n, it ca|n't get |
|00003c80| 74 68 65 20 6d 65 73 73 | 61 67 65 20 6f 75 74 20 |the mess|age out |
|00003c90| 2d 2d 20 66 69 78 65 64 | 2e 0d 0d a5 20 75 6e 6e |-- fixed|.... unn|
|00003ca0| 65 63 65 73 73 61 72 79 | 20 64 65 62 75 67 20 6d |ecessary| debug m|
|00003cb0| 65 73 73 61 67 65 20 69 | 66 20 73 74 61 63 6b 41 |essage i|f stackA|
|00003cc0| 64 6a 75 73 74 20 69 73 | 20 63 61 6c 6c 65 64 20 |djust is| called |
|00003cd0| 62 79 20 61 63 63 65 73 | 73 43 6f 64 65 20 2d 2d |by acces|sCode --|
|00003ce0| 20 72 65 6d 6f 76 65 64 | 0d 0d a5 20 63 75 72 72 | removed|... curr|
|00003cf0| 65 6e 74 5f 6f 70 2f 33 | 20 64 69 64 6e 27 74 20 |ent_op/3| didn't |
|00003d00| 77 6f 72 6b 20 69 66 20 | 65 69 74 68 65 72 20 6f |work if |either o|
|00003d10| 66 20 66 69 72 73 74 20 | 74 77 6f 20 61 72 67 75 |f first |two argu|
|00003d20| 6d 65 6e 74 73 20 77 65 | 72 65 20 69 6e 73 74 61 |ments we|re insta|
|00003d30| 6e 74 69 61 74 65 64 20 | 2d 2d 20 66 69 78 65 64 |ntiated |-- fixed|
|00003d40| 0d 0d a5 20 66 69 78 65 | 64 20 62 75 67 73 20 69 |... fixe|d bugs i|
|00003d50| 6e 20 63 6c 61 75 73 65 | 2f 32 20 73 6f 20 74 68 |n clause|/2 so th|
|00003d60| 61 74 20 69 74 20 6f 62 | 65 79 73 20 74 68 65 20 |at it ob|eys the |
|00003d70| 27 6c 6f 67 69 63 61 6c | 27 20 73 65 6d 61 6e 74 |'logical|' semant|
|00003d80| 69 63 73 20 6f 66 20 61 | 73 73 65 72 74 20 61 6e |ics of a|ssert an|
|00003d90| 64 20 72 65 74 72 61 63 | 74 2c 0d 61 6e 64 20 73 |d retrac|t,.and s|
|00003da0| 6f 20 74 68 61 74 20 67 | 63 20 77 69 6c 6c 20 62 |o that g|c will b|
|00003db0| 65 20 64 6f 6e 65 20 70 | 72 6f 70 65 72 6c 79 20 |e done p|roperly |
|00003dc0| 74 61 6b 69 6e 67 20 61 | 63 63 6f 75 6e 74 20 6f |taking a|ccount o|
|00003dd0| 66 20 61 6c 74 65 72 6e | 61 74 69 76 65 73 20 73 |f altern|atives s|
|00003de0| 74 69 6c 6c 0d 75 6e 64 | 65 72 20 63 6f 6e 73 69 |till.und|er consi|
|00003df0| 64 65 72 61 74 69 6f 6e | 20 69 6e 20 63 6c 61 75 |deration| in clau|
|00003e00| 73 65 2f 32 2e 0d 0d a5 | 20 6c 6f 63 61 6c 20 73 |se/2....| local s|
|00003e10| 74 61 63 6b 20 75 73 61 | 67 65 20 72 65 64 75 63 |tack usa|ge reduc|
|00003e20| 65 64 20 61 20 6c 69 74 | 74 6c 65 20 62 79 20 63 |ed a lit|tle by c|
|00003e30| 6c 65 61 6e 69 6e 67 20 | 75 70 20 6d 6f 72 65 20 |leaning |up more |
|00003e40| 74 68 6f 72 6f 75 67 68 | 6c 79 20 61 66 74 65 72 |thorough|ly after|
|00003e50| 20 62 75 69 6c 74 2d 69 | 6e 73 2e 0d 0d a5 20 66 | built-i|ns.... f|
|00003e60| 69 78 65 64 20 61 20 62 | 75 67 20 69 6e 20 63 6c |ixed a b|ug in cl|
|00003e70| 61 75 73 65 2f 32 20 77 | 68 69 63 68 20 6f 63 63 |ause/2 w|hich occ|
|00003e80| 61 73 69 6f 6e 61 6c 6c | 79 20 63 61 75 73 65 64 |asionall|y caused|
|00003e90| 20 69 6e 20 61 20 63 72 | 61 73 68 20 61 66 74 65 | in a cr|ash afte|
|00003ea0| 72 20 61 20 67 63 2c 20 | 6f 72 20 65 6c 73 65 20 |r a gc, |or else |
|00003eb0| 61 20 66 72 61 6d 65 20 | 6e 75 6d 62 65 72 20 74 |a frame |number t|
|00003ec0| 6f 20 62 65 20 72 65 74 | 75 72 6e 65 64 20 61 73 |o be ret|urned as|
|00003ed0| 20 61 20 67 6f 61 6c 20 | 28 74 68 65 72 65 62 79 | a goal |(thereby|
|00003ee0| 20 63 72 61 73 68 69 6e | 67 20 74 68 65 20 74 72 | crashin|g the tr|
|00003ef0| 61 63 65 2f 31 20 64 65 | 62 75 67 67 65 72 29 2e |ace/1 de|bugger).|
|00003f00| 0d 0d a5 20 66 69 78 65 | 64 20 61 20 62 75 67 20 |... fixe|d a bug |
|00003f10| 69 6e 20 63 6f 6d 70 61 | 72 65 2f 33 20 73 6f 20 |in compa|re/3 so |
|00003f20| 74 68 61 74 20 69 74 20 | 75 6e 69 66 69 65 73 20 |that it |unifies |
|00003f30| 74 68 65 20 66 69 72 73 | 74 20 61 72 67 75 6d 65 |the firs|t argume|
|00003f40| 6e 74 20 77 69 74 68 20 | 74 68 65 20 63 6f 72 72 |nt with |the corr|
|00003f50| 65 63 74 20 61 74 6f 6d | 73 20 66 6f 72 20 3c 2c |ect atom|s for <,|
|00003f60| 20 3e 20 6f 72 20 3d 2e | 20 50 72 65 76 69 6f 75 | > or =.| Previou|
|00003f70| 73 6c 79 20 69 74 20 75 | 73 65 64 20 66 75 6e 63 |sly it u|sed func|
|00003f80| 74 6f 72 73 20 3c 2f 32 | 2c 20 3e 2f 32 20 61 6e |tors </2|, >/2 an|
|00003f90| 64 20 3d 2f 32 2e 20 54 | 68 65 79 20 6c 6f 6f 6b |d =/2. T|hey look|
|00003fa0| 65 64 20 74 68 65 20 73 | 61 6d 65 20 62 75 74 20 |ed the s|ame but |
|00003fb0| 77 65 72 65 6e 27 74 2e | 0d 0d a5 20 66 69 78 65 |weren't.|... fixe|
|00003fc0| 64 20 61 20 62 75 67 20 | 69 6e 20 74 72 61 63 65 |d a bug |in trace|
|00003fd0| 2f 31 20 77 68 69 63 68 | 20 63 61 75 73 65 64 20 |/1 which| caused |
|00003fe0| 69 74 20 74 6f 20 69 67 | 6e 6f 72 65 20 63 75 74 |it to ig|nore cut|
|00003ff0| 73 20 62 65 69 6e 67 20 | 74 72 61 63 65 64 20 28 |s being |traced (|
|00004000| 74 72 61 63 65 20 68 61 | 73 20 62 65 65 6e 20 72 |trace ha|s been r|
|00004010| 65 76 69 73 65 64 20 2d | 20 73 65 65 20 61 62 6f |evised -| see abo|
|00004020| 76 65 29 2e 0d 0d a5 20 | 66 69 78 65 64 20 61 20 |ve).... |fixed a |
|00004030| 62 75 67 20 69 6e 20 72 | 65 74 72 61 63 74 2f 31 |bug in r|etract/1|
|00004040| 20 77 68 69 63 68 20 63 | 61 75 73 65 64 2c 20 73 | which c|aused, s|
|00004050| 61 79 2c 20 72 65 74 72 | 61 63 74 28 28 74 3a 2d |ay, retr|act((t:-|
|00004060| 58 29 29 20 6e 6f 74 20 | 74 6f 20 77 6f 72 6b 20 |X)) not |to work |
|00004070| 77 69 74 68 20 61 20 63 | 6c 61 75 73 65 20 6c 69 |with a c|lause li|
|00004080| 6b 65 20 74 3a 2d 61 2c | 62 2c 63 2e 20 54 68 69 |ke t:-a,|b,c. Thi|
|00004090| 73 20 77 61 73 20 62 65 | 63 61 75 73 65 20 61 6c |s was be|cause al|
|000040a0| 6c 20 76 61 72 69 61 62 | 6c 65 73 20 69 6e 20 74 |l variab|les in t|
|000040b0| 68 65 20 74 61 69 6c 20 | 77 65 72 65 20 63 6f 6e |he tail |were con|
|000040c0| 76 65 72 74 65 64 20 69 | 6e 74 6f 20 63 61 6c 6c |verted i|nto call|
|000040d0| 28 5f 29 20 62 65 66 6f | 72 65 20 6c 6f 6f 6b 69 |(_) befo|re looki|
|000040e0| 6e 67 20 66 6f 72 20 61 | 20 63 6c 61 75 73 65 20 |ng for a| clause |
|000040f0| 74 6f 20 72 65 74 72 61 | 63 74 2c 20 67 69 76 69 |to retra|ct, givi|
|00004100| 6e 67 20 72 65 74 72 61 | 63 74 28 28 74 3a 2d 63 |ng retra|ct((t:-c|
|00004110| 61 6c 6c 28 59 29 29 20 | 66 6f 72 20 74 68 65 20 |all(Y)) |for the |
|00004120| 65 78 61 6d 70 6c 65 20 | 61 62 6f 76 65 2c 20 77 |example |above, w|
|00004130| 68 69 63 68 20 69 73 20 | 63 6c 65 61 72 6c 79 20 |hich is |clearly |
|00004140| 77 72 6f 6e 67 2e 20 72 | 65 74 72 61 63 74 2f 31 |wrong. r|etract/1|
|00004150| 20 6e 6f 77 20 77 6f 72 | 6b 73 20 70 72 6f 70 65 | now wor|ks prope|
|00004160| 72 6c 79 20 6f 6e 20 62 | 61 63 6b 74 72 61 63 6b |rly on b|acktrack|
|00004170| 69 6e 67 2e 20 49 74 20 | 75 73 65 64 20 74 6f 20 |ing. It |used to |
|00004180| 73 6b 69 70 20 65 76 65 | 72 79 20 73 65 63 6f 6e |skip eve|ry secon|
|00004190| 64 20 65 6c 65 67 69 62 | 6c 65 20 63 6c 61 75 73 |d elegib|le claus|
|000041a0| 65 2c 20 6f 72 20 73 6f | 6d 65 74 68 69 6e 67 20 |e, or so|mething |
|000041b0| 6c 69 6b 65 20 74 68 61 | 74 2e 20 49 6e 20 66 61 |like tha|t. In fa|
|000041c0| 63 74 2c 20 72 65 74 72 | 61 63 74 2f 31 20 77 61 |ct, retr|act/1 wa|
|000041d0| 73 20 76 65 72 79 20 77 | 65 69 72 64 2e 0d 0d a5 |s very w|eird....|
|000041e0| 20 66 69 78 65 64 20 61 | 20 62 75 67 20 69 6e 20 | fixed a| bug in |
|000041f0| 27 73 79 73 74 65 6d 24 | 6d 65 6e 75 27 2f 31 30 |'system$|menu'/10|
|00004200| 20 73 6f 20 74 68 61 74 | 20 73 70 65 63 69 61 6c | so that| special|
|00004210| 20 63 68 61 72 61 63 74 | 65 72 73 20 28 65 2e 67 | charact|ers (e.g|
|00004220| 2e 20 2f 29 20 61 72 65 | 20 6e 6f 74 20 69 6e 74 |. /) are| not int|
|00004230| 65 72 70 72 65 74 65 64 | 20 69 6e 20 61 20 6d 65 |erpreted| in a me|
|00004240| 6e 75 20 6e 61 6d 65 2e | 0d 0d a5 20 61 62 6f 6c |nu name.|... abol|
|00004250| 69 73 68 2f 32 20 6e 6f | 77 20 72 65 6d 6f 76 65 |ish/2 no|w remove|
|00004260| 73 20 6e 6f 72 6d 61 6c | 20 61 6e 64 20 65 78 74 |s normal| and ext|
|00004270| 65 72 6e 61 6c 20 70 72 | 65 64 69 63 61 74 65 73 |ernal pr|edicates|
|00004280| 20 6f 6e 6c 79 2e 20 48 | 69 74 68 65 72 74 6f 20 | only. H|itherto |
|00004290| 69 74 20 63 6f 75 6c 64 | 20 61 6c 73 6f 20 72 65 |it could| also re|
|000042a0| 6d 6f 76 65 20 62 69 70 | 73 21 0d 0d a5 20 6c 69 |move bip|s!... li|
|000042b0| 73 74 69 6e 67 2f 31 20 | 67 65 6e 65 72 61 74 65 |sting/1 |generate|
|000042c0| 73 20 61 6e 20 65 72 72 | 6f 72 20 6d 65 73 73 61 |s an err|or messa|
|000042d0| 67 65 20 77 68 65 6e 20 | 70 72 65 73 65 6e 74 65 |ge when |presente|
|000042e0| 64 20 77 69 74 68 20 61 | 6e 20 75 6e 75 73 61 62 |d with a|n unusab|
|000042f0| 6c 65 20 61 72 67 75 6d | 65 6e 74 2e 0d 0d 2d 20 |le argum|ent...- |
|00004300| 31 2e 30 64 33 35 0d a5 | 20 45 78 74 65 72 6e 61 |1.0d35..| Externa|
|00004310| 6c 20 50 72 65 64 69 63 | 61 74 65 73 3a 20 4e 65 |l Predic|ates: Ne|
|00004320| 77 20 65 76 65 6e 74 73 | 56 65 72 73 69 6f 6e 20 |w events|Version |
|00004330| 6e 75 6d 62 65 72 20 64 | 75 65 20 74 6f 20 69 6e |number d|ue to in|
|00004340| 74 65 72 6e 61 6c 20 63 | 68 61 6e 67 65 73 20 69 |ternal c|hanges i|
|00004350| 6e 63 6f 6d 70 61 74 69 | 62 6c 65 20 77 69 74 68 |ncompati|ble with|
|00004360| 20 70 72 65 76 69 6f 75 | 73 20 76 65 72 73 69 6f | previou|s versio|
|00004370| 6e 73 2e 20 49 66 20 79 | 6f 75 20 68 61 76 65 20 |ns. If y|ou have |
|00004380| 62 75 69 6c 74 20 79 6f | 75 72 20 6f 77 6e 20 65 |built yo|ur own e|
|00004390| 78 74 65 72 6e 61 6c 20 | 70 72 65 64 69 63 61 74 |xternal |predicat|
|000043a0| 65 73 2c 20 79 6f 75 27 | 6c 6c 20 6e 65 65 64 20 |es, you'|ll need |
|000043b0| 74 6f 20 72 65 63 6f 6d | 70 69 6c 65 20 74 68 65 |to recom|pile the|
|000043c0| 6d 20 77 69 74 68 20 74 | 68 65 20 6e 65 77 20 27 |m with t|he new '|
|000043d0| 70 72 6c 78 20 64 65 66 | 69 6e 69 74 69 6f 6e 73 |prlx def|initions|
|000043e0| 27 20 66 69 6c 65 2e 20 | 49 66 20 79 6f 75 20 66 |' file. |If you f|
|000043f0| 6f 72 67 65 74 20 74 6f | 2c 20 79 6f 75 27 6c 6c |orget to|, you'll|
|00004400| 20 67 65 74 20 6d 65 73 | 73 61 67 65 73 20 73 61 | get mes|sages sa|
|00004410| 79 69 6e 67 20 73 6f 6d | 65 20 65 78 74 65 72 6e |ying som|e extern|
|00004420| 61 6c 20 70 72 65 64 69 | 63 61 74 65 73 20 68 61 |al predi|cates ha|
|00004430| 76 65 20 62 65 65 6e 20 | 64 69 73 61 62 6c 65 64 |ve been |disabled|
|00004440| 2e 0d a5 20 41 6c 65 72 | 74 73 20 77 65 72 65 20 |... Aler|ts were |
|00004450| 64 69 73 61 62 6c 65 64 | 20 62 65 66 6f 72 65 20 |disabled| before |
|00004460| 74 68 65 20 77 6f 72 6b | 73 68 65 65 74 20 63 61 |the work|sheet ca|
|00004470| 6d 65 20 75 70 2c 20 63 | 61 75 73 69 6e 67 20 74 |me up, c|ausing t|
|00004480| 68 65 20 73 79 73 74 65 | 6d 20 74 6f 20 68 61 6e |he syste|m to han|
|00004490| 67 20 69 66 20 69 74 20 | 74 72 69 65 64 20 74 6f |g if it |tried to|
|000044a0| 20 64 69 73 70 6c 61 79 | 20 61 6e 20 65 72 72 6f | display| an erro|
|000044b0| 72 20 6d 65 73 73 61 67 | 65 20 6f 6e 20 73 74 61 |r messag|e on sta|
|000044c0| 72 74 75 70 2e 0d a5 20 | 41 63 63 65 70 74 73 20 |rtup... |Accepts |
|000044d0| 61 73 20 69 6e 70 75 74 | 20 6e 75 6d 65 72 69 63 |as input| numeric|
|000044e0| 20 73 74 72 69 6e 67 73 | 20 6f 66 20 74 68 65 20 | strings| of the |
|000044f0| 66 6f 72 6d 20 4e 27 4d | 4d 4d 4d 4d 20 77 68 65 |form N'M|MMMM whe|
|00004500| 72 65 20 4e 20 69 73 20 | 61 20 62 61 73 65 2c 20 |re N is |a base, |
|00004510| 66 72 6f 6d 20 32 20 74 | 6f 20 39 2c 20 61 6e 64 |from 2 t|o 9, and|
|00004520| 20 4d 20 69 73 20 74 68 | 65 20 6e 75 6d 62 65 72 | M is th|e number|
|00004530| 20 74 6f 20 74 68 61 74 | 20 62 61 73 65 2e 20 4e | to that| base. N|
|00004540| 6f 74 20 6d 75 63 68 20 | 65 72 72 6f 72 20 63 68 |ot much |error ch|
|00004550| 65 63 6b 69 6e 67 20 69 | 73 20 64 6f 6e 65 21 20 |ecking i|s done! |
|00004560| 44 6f 65 73 6e 27 74 20 | 61 63 63 65 70 74 20 30 |Doesn't |accept 0|
|00004570| 78 2e 2e 2e 20 66 6f 72 | 20 68 65 78 2c 20 6e 6f |x... for| hex, no|
|00004580| 72 20 30 27 63 20 66 6f | 72 20 63 68 61 72 20 63 |r 0'c fo|r char c|
|00004590| 6f 64 65 20 79 65 74 2e | 0d a5 20 43 6f 6e 73 75 |ode yet.|.. Consu|
|000045a0| 6c 74 20 26 20 72 65 63 | 6f 6e 73 75 6c 74 20 6e |lt & rec|onsult n|
|000045b0| 6f 77 20 68 61 76 65 20 | 68 6f 6f 6b 73 20 74 6f |ow have |hooks to|
|000045c0| 20 74 65 72 6d 5f 65 78 | 70 61 6e 73 69 6f 6e 2f | term_ex|pansion/|
|000045d0| 32 2e 20 45 76 65 72 79 | 20 74 69 6d 65 20 61 20 |2. Every| time a |
|000045e0| 74 65 72 6d 20 28 65 2e | 67 2e 20 61 20 63 6c 61 |term (e.|g. a cla|
|000045f0| 75 73 65 29 20 69 73 20 | 72 65 61 64 20 64 75 72 |use) is |read dur|
|00004600| 69 6e 67 20 63 6f 6e 73 | 75 6c 74 20 6f 72 20 72 |ing cons|ult or r|
|00004610| 65 63 6f 6e 73 75 6c 74 | 2c 20 69 74 20 69 73 20 |econsult|, it is |
|00004620| 66 69 72 73 74 20 70 61 | 73 73 65 64 20 74 6f 20 |first pa|ssed to |
|00004630| 74 65 72 6d 5f 65 78 70 | 61 6e 73 69 6f 6e 28 54 |term_exp|ansion(T|
|00004640| 65 72 6d 2c 45 78 70 61 | 6e 64 65 64 54 65 72 6d |erm,Expa|ndedTerm|
|00004650| 29 20 66 6f 72 20 70 6f | 73 73 69 62 6c 65 20 65 |) for po|ssible e|
|00004660| 78 70 61 6e 73 69 6f 6e | 2e 20 59 6f 75 20 63 61 |xpansion|. You ca|
|00004670| 6e 20 61 64 64 20 75 73 | 65 72 20 64 65 66 69 6e |n add us|er defin|
|00004680| 65 64 20 65 78 70 61 6e | 73 69 6f 6e 20 63 6f 64 |ed expan|sion cod|
|00004690| 65 20 68 65 72 65 20 62 | 79 20 77 72 69 74 69 6e |e here b|y writin|
|000046a0| 67 20 79 6f 75 72 20 6f | 77 6e 20 74 65 72 6d 5f |g your o|wn term_|
|000046b0| 65 78 70 61 6e 73 69 6f | 6e 2f 32 20 70 72 65 64 |expansio|n/2 pred|
|000046c0| 69 63 61 74 65 2e 20 46 | 6f 72 20 73 70 65 65 64 |icate. F|or speed|
|000046d0| 2c 20 69 74 20 69 73 20 | 69 6d 70 6f 72 74 61 6e |, it is |importan|
|000046e0| 74 20 74 68 61 74 20 74 | 68 65 20 66 69 72 73 74 |t that t|he first|
|000046f0| 20 61 72 67 75 6d 65 6e | 74 20 69 73 20 6e 6f 74 | argumen|t is not|
|00004700| 20 6a 75 73 74 20 61 20 | 76 61 72 69 61 62 6c 65 | just a |variable|
|00004710| 2c 20 62 75 74 20 69 73 | 20 74 68 65 20 73 6b 65 |, but is| the ske|
|00004720| 6c 65 74 6f 6e 20 6f 66 | 20 74 68 65 20 6b 69 6e |leton of| the kin|
|00004730| 64 20 6f 66 20 74 65 72 | 6d 20 74 68 61 74 20 63 |d of ter|m that c|
|00004740| 61 6e 20 62 65 20 68 61 | 6e 64 6c 65 64 20 2d 20 |an be ha|ndled - |
|00004750| 74 68 69 73 20 77 61 79 | 2c 20 74 69 6d 65 20 77 |this way|, time w|
|00004760| 6f 6e 27 74 20 62 65 20 | 77 61 73 74 65 64 20 63 |on't be |wasted c|
|00004770| 61 6c 6c 69 6e 67 20 79 | 6f 75 72 20 74 65 72 6d |alling y|our term|
|00004780| 5f 65 78 70 61 6e 73 69 | 6f 6e 20 63 6f 64 65 20 |_expansi|on code |
|00004790| 6f 6e 20 65 76 65 72 79 | 20 63 6c 61 75 73 65 2e |on every| clause.|
|000047a0| 20 54 68 65 20 65 78 70 | 61 6e 64 65 64 20 6f 75 | The exp|anded ou|
|000047b0| 74 70 75 74 20 63 61 6e | 20 69 6e 63 6c 75 64 65 |tput can| include|
|000047c0| 20 44 43 47 20 66 6f 72 | 6d 73 2c 20 61 73 20 69 | DCG for|ms, as i|
|000047d0| 74 20 69 73 20 70 61 73 | 73 65 64 20 74 68 72 6f |t is pas|sed thro|
|000047e0| 75 67 68 20 74 68 65 20 | 44 43 47 20 65 78 70 61 |ugh the |DCG expa|
|000047f0| 6e 64 65 72 20 62 65 66 | 6f 72 65 20 66 69 6e 61 |nder bef|ore fina|
|00004800| 6c 6c 79 20 62 65 69 6e | 67 20 61 73 73 65 72 74 |lly bein|g assert|
|00004810| 65 64 2e 0d a5 20 4d 61 | 6a 6f 72 20 62 75 67 20 |ed... Ma|jor bug |
|00004820| 66 69 78 20 69 6e 20 61 | 73 73 65 72 74 20 61 73 |fix in a|ssert as|
|00004830| 73 65 6d 62 6c 65 72 2e | 20 28 48 6f 77 20 63 61 |sembler.| (How ca|
|00004840| 6e 20 73 75 63 68 20 61 | 20 62 61 64 20 62 75 67 |n such a| bad bug|
|00004850| 20 73 74 61 79 20 69 6e | 20 61 20 73 79 73 74 65 | stay in| a syste|
|00004860| 6d 20 73 6f 20 6c 6f 6e | 67 3f 29 20 54 68 69 73 |m so lon|g?) This|
|00004870| 20 62 75 67 20 6d 61 79 | 20 68 61 76 65 20 62 65 | bug may| have be|
|00004880| 65 6e 20 72 65 73 70 6f | 6e 73 69 62 6c 65 20 66 |en respo|nsible f|
|00004890| 6f 72 20 63 72 61 73 68 | 65 73 20 64 75 72 69 6e |or crash|es durin|
|000048a0| 67 20 65 78 74 65 6e 64 | 65 64 20 75 73 65 20 6f |g extend|ed use o|
|000048b0| 66 20 74 68 65 20 64 65 | 62 75 67 67 65 72 2c 20 |f the de|bugger, |
|000048c0| 61 6e 64 20 66 6f 72 20 | 63 72 61 73 68 65 73 20 |and for |crashes |
|000048d0| 77 68 65 6e 20 74 68 65 | 20 63 6c 61 75 73 65 2f |when the| clause/|
|000048e0| 32 20 62 69 70 20 69 73 | 20 75 73 65 64 20 61 73 |2 bip is| used as|
|000048f0| 20 61 20 63 6c 61 75 73 | 65 20 67 65 6e 65 72 61 | a claus|e genera|
|00004900| 74 6f 72 2e 0d a5 20 27 | 73 79 73 74 65 6d 24 6c |tor... '|system$l|
|00004910| 69 73 74 24 63 6c 61 75 | 73 65 27 2f 32 20 77 69 |ist$clau|se'/2 wi|
|00004920| 6c 6c 20 74 61 6b 65 20 | 74 68 65 20 61 72 67 75 |ll take |the argu|
|00004930| 6d 65 6e 74 73 20 61 73 | 20 70 72 6f 64 75 63 65 |ments as| produce|
|00004940| 64 20 62 79 20 63 6c 61 | 75 73 65 2f 32 20 61 6e |d by cla|use/2 an|
|00004950| 64 20 70 72 65 74 74 79 | 2d 6c 69 73 74 20 74 68 |d pretty|-list th|
|00004960| 65 6d 20 28 77 65 6c 6c | 20 6b 69 6e 64 61 2d 70 |em (well| kinda-p|
|00004970| 72 65 74 74 79 20 61 6e | 79 77 61 79 29 2e 0d 0d |retty an|yway)...|
|00004980| 2d 20 31 2e 30 64 33 34 | 0d a5 20 46 69 78 65 64 |- 1.0d34|.. Fixed|
|00004990| 20 61 20 73 74 75 70 69 | 64 20 6f 6d 69 73 73 69 | a stupi|d omissi|
|000049a0| 6f 6e 20 77 68 69 63 68 | 20 6d 61 64 65 31 2e 30 |on which| made1.0|
|000049b0| 64 33 33 20 63 72 61 73 | 68 20 6f 6e 20 6f 70 65 |d33 cras|h on ope|
|000049c0| 6e 69 6e 67 20 69 6e 20 | 61 20 53 79 73 74 65 6d |ning in |a System|
|000049d0| 20 36 20 53 79 73 74 65 | 6d 0d a5 20 43 6f 6d 6d | 6 Syste|m.. Comm|
|000049e0| 61 6e 64 2d 28 2e 29 20 | 69 73 20 6d 6f 72 65 20 |and-(.) |is more |
|000049f0| 72 65 6c 69 61 62 6c 65 | 3b 20 77 6f 72 6b 73 20 |reliable|; works |
|00004a00| 65 76 65 6e 20 77 68 65 | 6e 20 62 69 70 73 20 61 |even whe|n bips a|
|00004a10| 72 65 20 62 65 69 6e 67 | 20 65 78 65 63 75 74 65 |re being| execute|
|00004a20| 64 20 65 78 63 6c 75 73 | 69 76 65 6c 79 2e 0d a5 |d exclus|ively...|
|00004a30| 20 27 62 65 65 70 27 20 | 61 6e 64 20 27 72 65 61 | 'beep' |and 'rea|
|00004a40| 64 27 20 64 6f 20 6e 6f | 74 69 66 69 63 61 74 69 |d' do no|tificati|
|00004a50| 6f 6e 73 20 66 72 6f 6d | 20 62 61 63 6b 67 72 6f |ons from| backgro|
|00004a60| 75 6e 64 2e 0d a5 20 41 | 6c 65 72 74 20 61 6e 64 |und... A|lert and|
|00004a70| 20 64 69 61 6c 6f 67 20 | 63 61 6c 6c 73 20 64 6f | dialog |calls do|
|00004a80| 20 6e 6f 74 69 66 69 63 | 61 74 69 6f 6e 73 20 66 | notific|ations f|
|00004a90| 72 6f 6d 20 62 61 63 6b | 67 72 6f 75 6e 64 2e 0d |rom back|ground..|
|00004aa0| a5 20 4e 65 77 20 65 78 | 74 65 72 6e 61 6c 20 70 |. New ex|ternal p|
|00004ab0| 72 65 64 69 63 61 74 65 | 73 3a 0d 20 27 73 79 73 |redicate|s:. 'sys|
|00004ac0| 74 65 6d 24 73 74 61 72 | 74 24 6e 6f 74 69 66 69 |tem$star|t$notifi|
|00004ad0| 63 61 74 69 6f 6e 27 28 | 4d 65 73 73 61 67 65 41 |cation'(|MessageA|
|00004ae0| 74 6f 6d 2c 53 6f 75 6e | 64 4e 61 6d 65 41 74 6f |tom,Soun|dNameAto|
|00004af0| 6d 29 2e 0d 20 65 2e 67 | 2e 3a 0d 20 27 73 79 73 |m).. e.g|.:. 'sys|
|00004b00| 74 65 6d 24 73 74 61 72 | 74 24 6e 6f 74 69 66 69 |tem$star|t$notifi|
|00004b10| 63 61 74 69 6f 6e 27 28 | 27 54 68 69 73 20 69 73 |cation'(|'This is|
|00004b20| 20 61 20 4e 6f 74 69 66 | 69 63 61 74 69 6f 6e 20 | a Notif|ication |
|00004b30| 4d 65 73 73 61 67 65 27 | 2c 27 75 68 2d 6f 68 27 |Message'|,'uh-oh'|
|00004b40| 29 2e 0d 0d 20 25 20 69 | 66 20 74 68 65 20 6d 65 |)... % i|f the me|
|00004b50| 73 73 61 67 65 20 69 73 | 20 27 27 2c 20 6e 6f 20 |ssage is| '', no |
|00004b60| 61 6c 65 72 74 20 69 73 | 20 73 68 6f 77 6e 2e 20 |alert is| shown. |
|00004b70| 49 66 20 74 68 65 20 73 | 6f 75 6e 64 20 69 73 20 |If the s|ound is |
|00004b80| 27 62 65 65 70 27 20 74 | 68 65 0d 20 25 73 74 61 |'beep' t|he. %sta|
|00004b90| 6e 64 61 72 64 20 73 6f | 75 6e 64 20 69 73 20 75 |ndard so|und is u|
|00004ba0| 73 65 64 3b 20 6f 74 68 | 65 72 77 69 73 65 20 74 |sed; oth|erwise t|
|00004bb0| 68 65 20 6e 61 6d 65 64 | 20 73 6f 75 6e 64 20 77 |he named| sound w|
|00004bc0| 69 6c 6c 20 62 65 20 75 | 73 65 64 20 69 66 20 66 |ill be u|sed if f|
|00004bd0| 6f 75 6e 64 2e 0d 0d 20 | 27 73 79 73 74 65 6d 24 |ound... |'system$|
|00004be0| 73 74 6f 70 24 6e 6f 74 | 69 66 69 63 61 74 69 6f |stop$not|ificatio|
|00004bf0| 6e 27 2e 0d 0d 20 27 73 | 79 73 74 65 6d 24 69 6e |n'... 's|ystem$in|
|00004c00| 24 66 6f 72 65 67 72 6f | 75 6e 64 27 0d 20 25 74 |$foregro|und'. %t|
|00004c10| 72 75 65 20 77 68 65 6e | 20 4f 70 65 6e 20 50 72 |rue when| Open Pr|
|00004c20| 6f 6c 6f 67 20 69 73 20 | 72 75 6e 6e 69 6e 67 20 |olog is |running |
|00004c30| 69 6e 20 74 68 65 20 66 | 6f 72 65 67 72 6f 75 6e |in the f|oregroun|
|00004c40| 64 2e 0d a5 20 54 68 65 | 20 27 43 6f 6e 73 75 6c |d... The| 'Consul|
|00004c50| 74 20 46 72 6f 6e 74 20 | 57 69 6e 64 6f 77 27 20 |t Front |Window' |
|00004c60| 63 6f 6d 6d 61 6e 64 20 | 6b 65 79 20 68 61 73 20 |command |key has |
|00004c70| 62 65 65 6e 20 63 68 61 | 6e 67 65 64 20 74 6f 20 |been cha|nged to |
|00004c80| 42 20 74 6f 20 61 76 6f | 69 64 20 63 6c 61 73 68 |B to avo|id clash|
|00004c90| 20 77 69 74 68 20 43 6f | 70 79 0d a5 20 41 20 42 | with Co|py.. A B|
|00004ca0| 61 6c 6c 6f 6f 6e 20 66 | 6f 72 20 74 68 65 20 4f |alloon f|or the O|
|00004cb0| 70 65 6e 20 50 72 6f 6c | 6f 67 20 49 63 6f 6e 20 |pen Prol|og Icon |
|00004cc0| 6f 6e 20 74 68 65 20 46 | 69 6e 64 65 72 20 44 65 |on the F|inder De|
|00004cd0| 73 6b 74 6f 70 2e 0d a5 | 20 27 73 79 73 74 65 6d |sktop...| 'system|
|00004ce0| 24 6d 65 6e 75 27 20 6e | 6f 77 20 72 65 63 6f 67 |$menu' n|ow recog|
|00004cf0| 6e 69 73 65 73 20 74 68 | 65 20 6d 65 6e 75 20 27 |nises th|e menu '|
|00004d00| 42 61 6c 6c 6f 6f 6e 48 | 65 6c 70 27 20 28 63 61 |BalloonH|elp' (ca|
|00004d10| 73 65 20 6f 66 20 6c 65 | 74 74 65 72 73 20 69 73 |se of le|tters is|
|00004d20| 20 69 6d 70 6f 72 74 61 | 6e 74 20 68 65 72 65 29 | importa|nt here)|
|00004d30| 20 61 73 20 73 70 65 63 | 69 61 6c 6c 79 20 72 65 | as spec|ially re|
|00004d40| 66 65 72 72 69 6e 67 20 | 74 6f 20 53 79 73 74 65 |ferring |to Syste|
|00004d50| 6d 20 37 27 73 20 42 61 | 6c 6c 6f 6f 6e 20 48 65 |m 7's Ba|lloon He|
|00004d60| 6c 70 20 49 63 6f 6e 20 | 6f 6e 20 74 68 65 20 72 |lp Icon |on the r|
|00004d70| 69 67 68 74 20 6f 66 20 | 74 68 65 20 6d 65 6e 75 |ight of |the menu|
|00004d80| 20 62 61 72 2e 20 53 6f | 20 79 6f 75 20 63 61 6e | bar. So| you can|
|00004d90| 20 61 64 64 20 61 6e 64 | 20 72 65 6d 6f 76 65 20 | add and| remove |
|00004da0| 6d 65 6e 75 20 69 74 65 | 6d 73 20 66 72 6f 6d 20 |menu ite|ms from |
|00004db0| 68 65 72 65 2e 20 49 6e | 20 53 79 73 74 65 6d 20 |here. In| System |
|00004dc0| 36 2c 20 61 6e 79 74 68 | 69 6e 67 20 77 69 74 68 |6, anyth|ing with|
|00004dd0| 20 61 20 6d 65 6e 75 20 | 6e 61 6d 65 20 6f 66 20 | a menu |name of |
|00004de0| 42 61 6c 6c 6f 6f 6e 48 | 65 6c 70 20 77 69 6c 6c |BalloonH|elp will|
|00004df0| 20 62 65 20 69 67 6e 6f | 72 65 64 2e 0d a5 20 57 | be igno|red... W|
|00004e00| 68 65 6e 20 79 6f 75 20 | 6f 70 65 6e 20 61 6e 20 |hen you |open an |
|00004e10| 66 69 6c 65 20 66 72 6f | 6d 20 74 68 65 20 46 69 |file fro|m the Fi|
|00004e20| 6e 64 65 72 2c 20 4f 70 | 65 6e 20 50 72 6f 6c 6f |nder, Op|en Prolo|
|00004e30| 67 20 6e 6f 77 20 73 65 | 74 73 20 74 68 65 20 73 |g now se|ts the s|
|00004e40| 74 61 6e 64 61 72 64 20 | 66 69 6c 65 20 64 69 61 |tandard |file dia|
|00004e50| 6c 6f 67 73 20 74 6f 20 | 70 6f 69 6e 74 20 74 6f |logs to |point to|
|00004e60| 20 74 68 65 20 66 6f 6c | 64 65 72 20 74 68 65 20 | the fol|der the |
|00004e70| 66 69 6c 65 20 72 65 73 | 69 64 65 73 20 69 6e 2e |file res|ides in.|
|00004e80| 0d a5 20 4e 65 77 20 65 | 78 74 65 72 6e 61 6c 20 |.. New e|xternal |
|00004e90| 70 72 65 64 69 63 61 74 | 65 20 27 73 79 73 74 65 |predicat|e 'syste|
|00004ea0| 6d 24 73 74 61 6e 64 61 | 72 64 24 66 69 6c 65 24 |m$standa|rd$file$|
|00004eb0| 64 69 72 65 63 74 6f 72 | 79 27 28 4f 6c 64 56 6f |director|y'(OldVo|
|00004ec0| 6c 2c 4f 6c 64 44 69 72 | 49 44 2c 4e 65 77 56 6f |l,OldDir|ID,NewVo|
|00004ed0| 6c 2c 4e 65 77 44 69 72 | 49 44 29 2e 0d 54 68 69 |l,NewDir|ID)..Thi|
|00004ee0| 73 20 72 65 74 75 72 6e | 73 20 74 68 65 20 63 75 |s return|s the cu|
|00004ef0| 72 72 65 6e 74 20 76 6f | 6c 75 6d 65 20 6e 75 6d |rrent vo|lume num|
|00004f00| 62 65 72 20 61 6e 64 20 | 64 69 72 65 63 74 6f 72 |ber and |director|
|00004f10| 79 20 49 44 73 20 6f 66 | 20 74 68 65 20 66 6f 6c |y IDs of| the fol|
|00004f20| 64 65 72 20 74 68 65 20 | 73 74 61 6e 64 61 72 64 |der the |standard|
|00004f30| 20 66 69 6c 65 20 64 69 | 61 6c 6f 67 73 20 61 72 | file di|alogs ar|
|00004f40| 65 20 70 6f 69 6e 74 69 | 6e 67 20 74 6f 2c 20 61 |e pointi|ng to, a|
|00004f50| 6e 64 20 73 65 74 73 20 | 74 68 65 6d 20 74 6f 20 |nd sets |them to |
|00004f60| 4e 65 77 56 6f 6c 20 61 | 6e 64 20 4e 65 77 44 69 |NewVol a|nd NewDi|
|00004f70| 72 49 44 2e 20 54 6f 20 | 63 68 65 63 6b 20 63 75 |rID. To |check cu|
|00004f80| 72 72 65 6e 74 20 76 61 | 6c 75 65 73 2c 20 75 73 |rrent va|lues, us|
|00004f90| 65 3a 0d 27 73 79 73 74 | 65 6d 24 73 74 61 6e 64 |e:.'syst|em$stand|
|00004fa0| 61 72 64 24 66 69 6c 65 | 24 64 69 72 65 63 74 6f |ard$file|$directo|
|00004fb0| 72 79 27 28 56 2c 44 2c | 56 2c 44 29 2e 0d a5 20 |ry'(V,D,|V,D)... |
|00004fc0| 42 75 69 6c 74 2d 69 6e | 20 70 72 65 64 69 63 61 |Built-in| predica|
|00004fd0| 74 65 73 3a 0d 27 73 79 | 73 74 65 6d 24 67 65 74 |tes:.'sy|stem$get|
|00004fe0| 24 64 69 72 65 63 74 6f | 72 79 27 28 43 75 72 72 |$directo|ry'(Curr|
|00004ff0| 65 6e 74 44 69 72 65 63 | 74 6f 72 79 4e 75 6d 62 |entDirec|toryNumb|
|00005000| 65 72 29 2c 20 25 6e 6f | 74 65 20 2d 20 6e 6f 74 |er), %no|te - not|
|00005010| 20 44 69 72 49 44 0d 27 | 73 79 73 74 65 6d 24 73 | DirID.'|system$s|
|00005020| 65 74 24 64 69 72 65 63 | 74 6f 72 79 27 28 4e 65 |et$direc|tory'(Ne|
|00005030| 77 44 69 72 65 63 74 6f | 72 79 4e 75 6d 62 65 72 |wDirecto|ryNumber|
|00005040| 29 2c 0d 27 73 79 73 74 | 65 6d 24 67 65 74 24 64 |),.'syst|em$get$d|
|00005050| 69 72 65 63 74 6f 72 79 | 27 28 4b 69 6e 64 2c 44 |irectory|'(Kind,D|
|00005060| 69 72 65 63 74 6f 72 79 | 4e 75 6d 62 65 72 29 2e |irectory|Number).|
|00005070| 20 7b 4b 69 6e 64 20 3d | 20 61 70 70 6c 69 63 61 | {Kind =| applica|
|00005080| 74 69 6f 6e 20 6f 72 20 | 63 75 72 72 65 6e 74 7d |tion or |current}|
|00005090| 0d a5 20 4f 70 65 6e 20 | 50 72 6f 6c 6f 67 20 69 |.. Open |Prolog i|
|000050a0| 73 20 61 20 62 69 74 20 | 73 6d 61 72 74 65 72 20 |s a bit |smarter |
|000050b0| 6e 6f 77 20 77 68 65 6e | 20 6c 6f 6f 6b 69 6e 67 |now when| looking|
|000050c0| 20 66 6f 72 20 74 65 6d | 70 6f 72 61 72 79 20 73 | for tem|porary s|
|000050d0| 70 61 63 65 20 64 75 72 | 69 6e 67 20 67 61 72 62 |pace dur|ing garb|
|000050e0| 61 67 65 20 63 6f 6c 6c | 65 63 74 69 6f 6e 2e 20 |age coll|ection. |
|000050f0| 49 6e 20 53 79 73 74 65 | 6d 20 37 2c 20 69 74 20 |In Syste|m 7, it |
|00005100| 77 69 6c 6c 20 75 73 65 | 20 74 65 6d 70 6f 72 61 |will use| tempora|
|00005110| 72 79 20 6d 65 6d 6f 72 | 79 2e 20 28 52 75 6e 6e |ry memor|y. (Runn|
|00005120| 69 6e 67 20 6f 75 74 20 | 6f 66 20 73 70 61 63 65 |ing out |of space|
|00005130| 20 64 75 72 69 6e 67 20 | 67 61 72 62 61 67 65 20 | during |garbage |
|00005140| 63 6f 6c 6c 65 63 74 69 | 6f 6e 20 63 61 75 73 65 |collecti|on cause|
|00005150| 73 20 74 68 65 20 27 6f | 75 74 20 6f 66 20 72 65 |s the 'o|ut of re|
|00005160| 63 75 72 20 73 70 61 63 | 65 27 20 64 69 61 67 6e |cur spac|e' diagn|
|00005170| 6f 73 74 69 63 20 74 6f | 20 61 70 70 65 61 72 2e |ostic to| appear.|
|00005180| 29 0d a5 09 53 6f 6d 65 | 20 62 75 67 73 20 68 61 |)...Some| bugs ha|
|00005190| 6e 64 6c 69 6e 67 20 6c | 61 72 67 65 20 6e 75 6d |ndling l|arge num|
|000051a0| 62 65 72 73 20 6f 66 20 | 6e 61 6d 65 73 20 28 61 |bers of |names (a|
|000051b0| 74 6f 6d 73 2f 66 75 6e | 63 74 6f 72 73 29 20 68 |toms/fun|ctors) h|
|000051c0| 61 76 65 20 62 65 65 6e | 20 72 65 6d 6f 76 65 64 |ave been| removed|
|000051d0| 2e 20 42 65 74 74 65 72 | 20 61 6c 6c 6f 63 61 74 |. Better| allocat|
|000051e0| 69 6f 6e 20 6f 66 20 6e | 61 6d 65 20 73 70 61 63 |ion of n|ame spac|
|000051f0| 65 20 61 6e 64 20 6d 6f | 72 65 20 72 65 6c 69 61 |e and mo|re relia|
|00005200| 62 6c 65 20 77 61 72 6e | 69 6e 67 73 20 6f 66 20 |ble warn|ings of |
|00005210| 75 6e 68 61 70 70 69 6e | 65 73 73 c9 20 57 6f 72 |unhappin|ess. Wor|
|00005220| 6b 73 20 66 61 69 72 6c | 79 20 77 65 6c 6c 20 75 |ks fairl|y well u|
|00005230| 70 20 74 6f 20 38 4d 42 | 20 6f 66 20 61 6c 6c 6f |p to 8MB| of allo|
|00005240| 63 61 74 69 6f 6e 2e 0d | a5 09 27 73 79 73 74 65 |cation..|..'syste|
|00005250| 6d 24 6d 65 6e 75 73 27 | 20 72 65 61 6c 6c 79 20 |m$menus'| really |
|00005260| 77 6f 72 6b 73 20 61 73 | 20 64 65 73 63 72 69 62 |works as| describ|
|00005270| 65 64 20 69 6e 20 4f 70 | 65 6e 20 50 72 6f 6c 6f |ed in Op|en Prolo|
|00005280| 67 20 45 78 74 72 61 73 | 20 6e 6f 77 28 21 29 0d |g Extras| now(!).|
|00005290| 0d 2d 20 31 2e 30 64 33 | 33 0d 31 2e 20 53 6f 6d |.- 1.0d3|3.1. Som|
|000052a0| 65 20 62 75 67 73 20 72 | 65 6d 6f 76 65 64 2c 20 |e bugs r|emoved, |
|000052b0| 70 61 72 74 69 63 75 6c | 61 72 6c 79 20 61 20 70 |particul|arly a p|
|000052c0| 65 72 6e 69 63 69 6f 75 | 73 20 62 75 67 20 77 68 |erniciou|s bug wh|
|000052d0| 65 72 65 62 79 20 4f 50 | 20 76 65 72 79 20 6f 63 |ereby OP| very oc|
|000052e0| 63 61 73 69 6f 6e 61 6c | 6c 79 20 66 6f 72 67 6f |casional|ly forgo|
|000052f0| 74 20 74 6f 20 75 6e 69 | 6e 73 74 61 6e 74 69 61 |t to uni|nstantia|
|00005300| 74 65 20 61 20 76 61 72 | 69 61 62 6c 65 20 6f 6e |te a var|iable on|
|00005310| 20 62 61 63 6b 74 72 61 | 63 6b 69 6e 67 2e 0d 32 | backtra|cking..2|
|00005320| 2e 20 74 72 61 63 65 2f | 31 20 68 61 64 20 62 65 |. trace/|1 had be|
|00005330| 65 6e 20 72 65 6e 61 6d | 65 64 20 70 74 72 61 63 |en renam|ed ptrac|
|00005340| 65 2f 31 20 69 6e 20 31 | 2e 30 64 33 31 20 26 20 |e/1 in 1|.0d31 & |
|00005350| 31 2e 30 64 33 32 2e 20 | 4e 6f 77 20 69 74 27 73 |1.0d32. |Now it's|
|00005360| 20 62 61 63 6b c9 0d 33 | 2e 20 4f 70 65 6e 69 6e | back..3|. Openin|
|00005370| 67 20 61 6e 64 20 50 72 | 69 6e 74 69 6e 67 20 66 |g and Pr|inting f|
|00005380| 72 6f 6d 20 74 68 65 20 | 64 65 73 6b 74 6f 70 20 |rom the |desktop |
|00005390| 6e 6f 77 20 69 6d 70 6c | 65 6d 65 6e 74 65 64 20 |now impl|emented |
|000053a0| 69 6e 20 53 79 73 74 65 | 6d 20 37 20 6f 6e 6c 79 |in Syste|m 7 only|
|000053b0| 2e 0d 34 2e 20 27 73 79 | 73 74 65 6d 24 77 69 6e |..4. 'sy|stem$win|
|000053c0| 64 6f 77 24 6f 70 65 6e | 24 6e 65 77 24 77 69 6e |dow$open|$new$win|
|000053d0| 64 6f 77 27 20 69 6e 74 | 72 6f 64 75 63 65 64 20 |dow' int|roduced |
|000053e0| 26 20 27 73 79 73 74 65 | 6d 24 77 69 6e 64 6f 77 |& 'syste|m$window|
|000053f0| 24 6f 70 65 6e 24 66 69 | 6c 65 24 77 69 6e 64 6f |$open$fi|le$windo|
|00005400| 77 27 20 6d 6f 64 69 66 | 69 65 64 20 74 6f 20 77 |w' modif|ied to w|
|00005410| 6f 72 6b 20 6f 6e 6c 79 | 20 77 69 74 68 20 65 78 |ork only| with ex|
|00005420| 69 73 74 69 6e 67 20 66 | 69 6c 65 73 2e 0d 35 2e |isting f|iles..5.|
|00005430| 20 48 6f 6c 64 69 6e 67 | 20 64 6f 77 6e 20 74 68 | Holding| down th|
|00005440| 65 20 73 68 69 66 74 20 | 6b 65 79 20 72 65 76 65 |e shift |key reve|
|00005450| 72 73 65 73 20 74 68 65 | 20 66 69 6e 64 2f 73 65 |rses the| find/se|
|00005460| 61 72 63 68 20 64 69 72 | 65 63 74 69 6f 6e 2e 0d |arch dir|ection..|
|00005470| 36 2e 20 55 6e 64 6f 20 | 77 6f 72 6b 73 20 66 6f |6. Undo |works fo|
|00005480| 72 20 65 72 72 6f 72 20 | 6d 65 73 73 61 67 65 73 |r error |messages|
|00005490| 20 69 6e 73 65 72 74 65 | 64 20 69 6e 20 66 69 6c | inserte|d in fil|
|000054a0| 65 73 20 62 79 20 27 53 | 68 6f 77 20 53 79 6e 74 |es by 'S|how Synt|
|000054b0| 61 78 20 45 72 72 6f 72 | 27 2e 0d 37 2e 20 41 72 |ax Error|'..7. Ar|
|000054c0| 69 74 79 20 6f 66 20 27 | 73 79 73 74 65 6d 24 6d |ity of '|system$m|
|000054d0| 65 6e 75 27 20 68 61 73 | 20 63 68 61 6e 67 65 64 |enu' has| changed|
|000054e0| 20 74 6f 20 61 6c 6c 6f | 77 20 74 68 65 20 67 65 | to allo|w the ge|
|000054f0| 6e 65 72 61 74 65 64 20 | 6d 65 6e 75 20 6e 75 6d |nerated |menu num|
|00005500| 62 65 72 20 74 6f 20 62 | 65 20 72 65 74 75 72 6e |ber to b|e return|
|00005510| 65 64 2e 0d 38 2e 20 27 | 73 79 73 74 65 6d 24 6d |ed..8. '|system$m|
|00005520| 61 63 68 69 6e 65 24 6b | 69 6e 64 27 2f 31 20 28 |achine$k|ind'/1 (|
|00005530| 53 79 73 74 65 6d 20 37 | 20 4f 6e 6c 79 29 2e 0d |System 7| Only)..|
|00005540| 39 2e 20 53 6f 6d 65 20 | 70 72 6f 62 6c 65 6d 73 |9. Some |problems|
|00005550| 20 77 69 74 68 20 6c 6f | 63 6b 65 64 20 6f 72 20 | with lo|cked or |
|00005560| 72 65 61 64 2d 6f 6e 6c | 79 20 76 6f 6c 75 6d 65 |read-onl|y volume|
|00005570| 73 20 61 6e 64 20 66 69 | 6c 65 73 20 63 75 72 65 |s and fi|les cure|
|00005580| 64 2e 0d 0d 2d 20 31 2e | 30 64 33 31 20 26 20 31 |d...- 1.|0d31 & 1|
|00005590| 2e 30 64 33 32 0d 31 2e | 20 4d 61 6e 79 20 62 75 |.0d32.1.| Many bu|
|000055a0| 67 73 20 66 69 78 65 64 | 2c 20 70 72 69 6e 63 69 |gs fixed|, princi|
|000055b0| 70 61 6c 6c 79 20 73 6f | 72 74 2f 32 20 6e 6f 77 |pally so|rt/2 now|
|000055c0| 20 6d 65 72 67 65 73 20 | 69 64 65 6e 74 69 63 61 | merges |identica|
|000055d0| 6c 20 74 65 72 6d 73 2c | 20 6e 6f 74 20 75 6e 69 |l terms,| not uni|
|000055e0| 66 69 61 62 6c 65 20 6f | 6e 65 73 20 61 73 20 62 |fiable o|nes as b|
|000055f0| 65 66 6f 72 65 20 28 73 | 6f 6d 65 74 69 6d 65 73 |efore (s|ometimes|
|00005600| 29 2e 0d 32 2e 20 41 62 | 6f 75 74 20 31 30 25 20 |)..2. Ab|out 10% |
|00005610| 66 61 73 74 65 72 2e 0d | 33 2e 20 53 79 73 74 65 |faster..|3. Syste|
|00005620| 6d 20 37 20 27 52 65 71 | 75 69 72 65 64 27 20 41 |m 7 'Req|uired' A|
|00005630| 70 70 6c 65 45 76 65 6e | 74 73 20 6e 6f 77 20 73 |ppleEven|ts now s|
|00005640| 75 70 70 6f 72 74 65 64 | 20 28 62 61 72 65 6c 79 |upported| (barely|
|00005650| 29 2e 0d 34 2e 20 45 78 | 74 65 72 6e 61 6c 20 50 |)..4. Ex|ternal P|
|00005660| 72 65 64 69 63 61 74 65 | 73 20 63 61 6e 20 6e 6f |redicate|s can no|
|00005670| 77 20 73 65 65 20 69 6e | 63 6f 6d 69 6e 67 20 65 |w see in|coming e|
|00005680| 76 65 6e 74 73 2c 20 69 | 6e 63 6c 75 64 69 6e 67 |vents, i|ncluding|
|00005690| 20 48 69 67 68 20 4c 65 | 76 65 6c 20 65 76 65 6e | High Le|vel even|
|000056a0| 74 73 2e 20 49 6e 74 65 | 72 65 73 74 69 6e 67 20 |ts. Inte|resting |
|000056b0| 70 6f 73 73 69 62 69 6c | 69 74 69 65 73 20 66 6f |possibil|ities fo|
|000056c0| 72 20 73 63 72 69 70 74 | 69 6e 67 2c 20 65 74 63 |r script|ing, etc|
|000056d0| 2e 0d 0d 2d 20 31 2e 30 | 64 33 30 0d 31 2e 20 50 |...- 1.0|d30.1. P|
|000056e0| 72 69 6e 74 20 53 65 6c | 65 63 74 69 6f 6e 20 77 |rint Sel|ection w|
|000056f0| 6f 72 6b 73 0d 32 2e 20 | 4d 65 6e 75 73 20 68 61 |orks.2. |Menus ha|
|00005700| 76 65 20 62 65 65 6e 20 | 72 65 2d 61 72 72 61 6e |ve been |re-arran|
|00005710| 67 65 64 20 61 6e 64 20 | 73 6f 6d 65 20 74 61 6e |ged and |some tan|
|00005720| 74 61 6c 69 73 69 6e 67 | 20 6e 65 77 20 69 74 65 |talising| new ite|
|00005730| 6d 73 20 69 6e 74 72 6f | 64 75 63 65 64 c9 0d 33 |ms intro|duced..3|
|00005740| 2e 20 50 72 69 6e 74 69 | 6e 67 20 66 72 6f 6d 20 |. Printi|ng from |
|00005750| 74 68 65 20 64 65 73 6b | 74 6f 70 20 69 73 6e 27 |the desk|top isn'|
|00005760| 74 20 64 6f 6e 65 20 61 | 74 20 70 72 65 73 65 6e |t done a|t presen|
|00005770| 74 2e 20 41 20 62 75 67 | 20 67 69 76 69 6e 67 20 |t. A bug| giving |
|00005780| 74 68 65 20 27 63 61 6e | 27 74 20 64 6f 27 0d 6d |the 'can|'t do'.m|
|00005790| 65 73 73 61 67 65 20 68 | 61 73 20 62 65 65 6e 20 |essage h|as been |
|000057a0| 72 65 6d 6f 76 65 64 2e | 0d 34 2e 20 41 20 62 75 |removed.|.4. A bu|
|000057b0| 67 20 69 6e 20 27 73 79 | 73 74 65 6d 24 63 6c 61 |g in 'sy|stem$cla|
|000057c0| 75 73 65 27 2f 33 2c 20 | 63 61 75 73 69 6e 67 20 |use'/3, |causing |
|000057d0| 69 74 20 74 6f 20 63 72 | 61 73 68 20 77 68 65 6e |it to cr|ash when|
|000057e0| 20 67 63 20 77 61 73 20 | 64 6f 6e 65 20 69 6e 20 | gc was |done in |
|000057f0| 61 20 62 61 63 6b 74 72 | 61 63 6b 0d 68 61 73 20 |a backtr|ack.has |
|00005800| 62 65 65 6e 20 66 69 78 | 65 64 2e 0d 0d 2d 20 31 |been fix|ed...- 1|
|00005810| 2e 30 64 32 39 0d 31 2e | 20 41 72 72 6f 77 20 6b |.0d29.1.| Arrow k|
|00005820| 65 79 73 20 69 6d 70 6c | 65 6d 65 6e 74 65 64 3a |eys impl|emented:|
|00005830| 20 43 6f 6d 6d 61 6e 64 | 2d 41 72 72 6f 77 73 20 | Command|-Arrows |
|00005840| 61 6e 64 20 43 6f 6d 6d | 61 6e 64 2d 4f 70 74 69 |and Comm|and-Opti|
|00005850| 6f 6e 2d 41 72 72 6f 77 | 73 2e 0d 32 2e 20 4f 70 |on-Arrow|s..2. Op|
|00005860| 74 69 6f 6e 2d 52 65 74 | 75 72 6e 20 64 6f 65 73 |tion-Ret|urn does|
|00005870| 20 74 68 65 20 6f 70 70 | 6f 73 69 74 65 20 6f 66 | the opp|osite of|
|00005880| 20 77 68 61 74 65 76 65 | 72 20 69 73 20 73 70 65 | whateve|r is spe|
|00005890| 63 69 66 69 65 64 20 62 | 79 20 74 68 65 20 74 68 |cified b|y the th|
|000058a0| 65 20 61 75 74 6f 2d 69 | 6e 64 65 6e 74 0d 6d 65 |e auto-i|ndent.me|
|000058b0| 6e 75 20 73 65 6c 65 63 | 74 69 6f 6e 2e 0d 33 2e |nu selec|tion..3.|
|000058c0| 20 27 73 79 73 74 65 6d | 24 61 6e 73 77 65 72 24 | 'system|$answer$|
|000058d0| 6d 6f 64 65 27 28 43 75 | 72 72 65 6e 74 4d 6f 64 |mode'(Cu|rrentMod|
|000058e0| 65 2c 4e 65 77 4d 6f 64 | 65 29 20 61 64 64 65 64 |e,NewMod|e) added|
|000058f0| 20 2d 20 61 6c 6c 6f 77 | 61 62 6c 65 20 76 61 6c | - allow|able val|
|00005900| 75 65 73 20 27 74 65 72 | 73 65 27 20 61 6e 64 0d |ues 'ter|se' and.|
|00005910| 27 76 65 72 62 6f 73 65 | 27 2e 20 27 76 65 72 62 |'verbose|'. 'verb|
|00005920| 6f 73 65 27 20 69 73 20 | 64 65 66 61 75 6c 74 2e |ose' is |default.|
|00005930| 0d 0d 2d 20 31 2e 30 64 | 32 38 0d 31 2e 20 46 69 |..- 1.0d|28.1. Fi|
|00005940| 78 20 61 20 62 75 67 20 | 74 68 61 74 20 6f 63 63 |x a bug |that occ|
|00005950| 75 72 73 20 61 66 74 65 | 72 20 74 68 65 20 27 6f |urs afte|r the 'o|
|00005960| 75 74 20 6f 66 20 72 65 | 63 75 72 20 73 70 61 63 |ut of re|cur spac|
|00005970| 65 27 20 64 69 61 67 6e | 6f 73 74 69 63 20 61 70 |e' diagn|ostic ap|
|00005980| 70 65 61 72 73 2e 0d 32 | 2e 20 41 64 64 20 74 68 |pears..2|. Add th|
|00005990| 65 20 63 68 6f 69 63 65 | 20 62 65 74 77 65 65 6e |e choice| between|
|000059a0| 20 27 76 65 72 62 6f 73 | 65 27 20 61 6e 64 20 27 | 'verbos|e' and '|
|000059b0| 74 65 72 73 65 27 20 61 | 6e 73 77 65 72 69 6e 67 |terse' a|nswering|
|000059c0| 20 6d 6f 64 65 73 2e 0d | 33 2e 20 41 64 64 65 64 | modes..|3. Added|
|000059d0| 20 70 72 6f 67 72 65 73 | 73 20 62 61 72 20 2d 20 | progres|s bar - |
|000059e0| 6c 6f 6f 6b 20 66 6f 72 | 20 27 73 79 73 74 65 6d |look for| 'system|
|000059f0| 24 73 68 6f 77 24 70 72 | 6f 67 72 65 73 73 27 2c |$show$pr|ogress',|
|00005a00| 20 27 73 79 73 74 65 6d | 24 68 69 64 65 24 70 72 | 'system|$hide$pr|
|00005a10| 6f 67 72 65 73 73 27 2c | 0d 27 73 79 73 74 65 6d |ogress',|.'system|
|00005a20| 24 73 65 74 24 70 72 6f | 67 72 65 73 73 27 28 4e |$set$pro|gress'(N|
|00005a30| 75 6d 65 72 61 74 6f 72 | 2c 44 65 6e 6f 6d 69 6e |umerator|,Denomin|
|00005a40| 61 74 6f 72 29 20 2d 20 | 74 68 69 73 20 70 75 74 |ator) - |this put|
|00005a50| 73 20 67 72 61 79 20 69 | 6e 20 74 68 65 20 61 70 |s gray i|n the ap|
|00005a60| 70 72 6f 70 72 69 61 74 | 65 0d 66 72 61 63 74 69 |propriat|e.fracti|
|00005a70| 6f 6e 20 6f 66 20 74 68 | 65 20 70 72 6f 67 72 65 |on of th|e progre|
|00005a80| 73 73 20 62 61 72 2e 0d | 34 2e 20 27 73 79 73 74 |ss bar..|4. 'syst|
|00005a90| 65 6d 24 67 65 74 24 66 | 69 6c 65 24 73 69 7a 65 |em$get$f|ile$size|
|00005aa0| 27 28 46 69 6c 65 4e 61 | 6d 65 2c 42 79 74 65 53 |'(FileNa|me,ByteS|
|00005ab0| 69 7a 65 2c 45 72 72 6f | 72 29 2e 20 2d 20 41 6e |ize,Erro|r). - An|
|00005ac0| 20 45 72 72 6f 72 20 6f | 66 20 30 20 6d 65 61 6e | Error o|f 0 mean|
|00005ad0| 73 20 4f 4b 2e 0d 20 27 | 73 79 73 74 65 6d 24 67 |s OK.. '|system$g|
|00005ae0| 65 74 24 66 69 6c 65 24 | 73 69 7a 65 27 28 6a 6f |et$file$|size'(jo|
|00005af0| 65 2c 42 79 74 65 53 69 | 7a 65 2c 45 72 72 6f 72 |e,ByteSi|ze,Error|
|00005b00| 29 2e 0d 0d 2d 20 31 2e | 30 64 32 37 0d 42 65 68 |)...- 1.|0d27.Beh|
|00005b10| 61 76 69 6f 75 72 20 69 | 6e 20 74 69 67 68 74 20 |aviour i|n tight |
|00005b20| 6d 65 6d 6f 72 79 20 73 | 69 74 75 61 74 69 6f 6e |memory s|ituation|
|00005b30| 73 20 69 6d 70 72 6f 76 | 65 64 20 61 20 6c 69 74 |s improv|ed a lit|
|00005b40| 74 6c 65 2e 20 44 69 73 | 63 61 72 64 65 64 20 75 |tle. Dis|carded u|
|00005b50| 73 65 0d 6f 66 20 53 79 | 73 74 65 6d 20 36 20 4d |se.of Sy|stem 6 M|
|00005b60| 75 6c 74 69 66 69 6e 64 | 65 72 20 4d 65 6d 6f 72 |ultifind|er Memor|
|00005b70| 79 2c 20 69 6e 73 74 65 | 61 64 20 75 70 64 61 74 |y, inste|ad updat|
|00005b80| 65 64 20 74 6f 20 75 73 | 65 20 74 65 6d 70 6f 72 |ed to us|e tempor|
|00005b90| 61 72 79 20 6d 65 6d 6f | 72 79 0d 67 72 61 63 65 |ary memo|ry.grace|
|00005ba0| 66 75 6c 6c 79 20 75 6e | 64 65 72 20 53 79 73 74 |fully un|der Syst|
|00005bb0| 65 6d 20 37 2e 0d 27 73 | 79 73 74 65 6d 24 72 61 |em 7..'s|ystem$ra|
|00005bc0| 6e 64 6f 6d 27 20 6e 6f | 77 20 77 6f 72 6b 73 20 |ndom' no|w works |
|00005bd0| 77 69 74 68 20 61 20 6e | 65 67 61 74 69 76 65 20 |with a n|egative |
|00005be0| 72 61 6e 67 65 2e 0d 0d | 2d 20 31 2e 30 64 32 36 |range...|- 1.0d26|
|00005bf0| 0d 31 2e 09 55 6e 64 6f | 20 66 69 6e 61 6c 6c 79 |.1..Undo| finally|
|00005c00| 20 69 6d 70 6c 65 6d 65 | 6e 74 65 64 21 0d 32 2e | impleme|nted!.2.|
|00005c10| 20 20 4d 69 6e 6f 72 20 | 63 6f 73 6d 65 74 69 63 | Minor |cosmetic|
|00005c20| 20 63 68 61 6e 67 65 73 | 20 74 6f 20 6d 69 6e 69 | changes| to mini|
|00005c30| 6d 69 73 65 20 6a 75 6e | 6b 20 6f 6e 20 77 6f 72 |mise jun|k on wor|
|00005c40| 6b 73 68 65 65 74 20 28 | 66 75 72 74 68 65 72 20 |ksheet (|further |
|00005c50| 63 68 61 6e 67 65 73 20 | 69 6e 20 64 32 38 29 2e |changes |in d28).|
|00005c60| 0d 33 2e 20 20 59 6f 75 | 20 63 61 6e 20 61 64 64 |.3. You| can add|
|00005c70| 20 6d 65 6e 75 73 20 74 | 6f 20 4f 70 65 6e 20 50 | menus t|o Open P|
|00005c80| 72 6f 6c 6f 67 2e 20 53 | 65 65 20 27 4f 70 65 6e |rolog. S|ee 'Open|
|00005c90| 20 50 72 6f 6c 6f 67 20 | 45 78 74 72 61 73 27 20 | Prolog |Extras' |
|00005ca0| 66 6f 72 20 64 65 74 61 | 69 6c 73 2e 0d 34 2e 20 |for deta|ils..4. |
|00005cb0| 20 42 75 67 20 66 69 78 | 20 2d 20 61 20 62 75 67 | Bug fix| - a bug|
|00005cc0| 20 77 68 69 63 68 20 63 | 72 61 73 68 65 64 20 4f | which c|rashed O|
|00005cd0| 70 65 6e 20 50 72 6f 6c | 6f 67 20 77 68 65 6e 20 |pen Prol|og when |
|00005ce0| 61 20 73 79 73 74 65 6e | 20 70 72 65 64 69 63 61 |a systen| predica|
|00005cf0| 74 65 20 77 61 73 0d 20 | 20 20 20 73 74 6f 70 70 |te was. | stopp|
|00005d00| 65 64 20 62 79 20 63 6f | 6d 6d 61 6e 64 2d 2e 20 |ed by co|mmand-. |
|00005d10| 68 61 73 20 62 65 65 6e | 20 72 65 6d 6f 76 65 64 |has been| removed|
|00005d20| 2e 0d 0d 2d 20 31 2e 30 | 64 32 35 20 42 75 67 20 |...- 1.0|d25 Bug |
|00005d30| 46 69 78 65 73 20 2d 20 | 6e 61 6d 65 2f 32 20 77 |Fixes - |name/2 w|
|00005d40| 69 74 68 20 6e 75 6d 62 | 65 72 73 2c 20 73 65 72 |ith numb|ers, ser|
|00005d50| 69 6f 75 73 20 6d 65 6d | 6f 72 79 20 4d 61 6e 61 |ious mem|ory Mana|
|00005d60| 67 65 6d 65 6e 74 0d 67 | 61 72 62 61 67 65 20 63 |gement.g|arbage c|
|00005d70| 6f 6c 6c 65 63 74 69 6f | 6e 20 65 72 72 6f 72 73 |ollectio|n errors|
|00005d80| 20 66 69 78 65 64 2e 20 | 27 73 79 73 74 65 6d 24 | fixed. |'system$|
|00005d90| 61 6c 65 72 74 27 2f 31 | 20 72 65 70 6c 61 63 65 |alert'/1| replace|
|00005da0| 64 20 62 79 20 27 73 79 | 73 74 65 6d 24 61 6c 65 |d by 'sy|stem$ale|
|00005db0| 72 74 27 2f 34 0d 27 73 | 79 73 74 65 6d 24 63 6f |rt'/4.'s|ystem$co|
|00005dc0| 6e 66 69 72 6d 27 2f 34 | 20 69 6e 74 72 6f 64 75 |nfirm'/4| introdu|
|00005dd0| 63 65 64 20 61 6c 73 6f | 2e 20 44 65 66 61 75 6c |ced also|. Defaul|
|00005de0| 74 20 66 6f 6c 64 65 72 | 20 63 68 61 6e 67 65 64 |t folder| changed|
|00005df0| 20 6f 6e 20 73 74 61 72 | 74 75 70 20 2d 20 73 65 | on star|tup - se|
|00005e00| 65 20 74 65 78 74 2e 0d | 0d 2d 20 31 2e 30 64 32 |e text..|.- 1.0d2|
|00005e10| 34 20 42 75 67 20 46 69 | 78 65 73 20 28 6d 75 6c |4 Bug Fi|xes (mul|
|00005e20| 74 69 70 6c 65 20 6f 70 | 65 72 61 74 6f 72 20 64 |tiple op|erator d|
|00005e30| 65 66 69 6e 69 74 69 6f | 6e 73 2c 20 63 6f 6d 6d |efinitio|ns, comm|
|00005e40| 61 6e 64 2d 2e 29 2c 20 | 69 6e 74 72 6f 64 75 63 |and-.), |introduc|
|00005e50| 74 69 6f 6e 20 6f 66 20 | 61 0d 73 74 61 74 75 73 |tion of |a.status|
|00005e60| 20 62 61 72 2c 20 75 73 | 65 20 6f 66 20 27 53 79 | bar, us|e of 'Sy|
|00005e70| 73 65 72 72 73 2e 65 72 | 72 27 20 66 6f 72 20 65 |serrs.er|r' for e|
|00005e80| 72 72 6f 72 20 6d 65 73 | 73 61 67 65 73 c9 0d 0d |rror mes|sages...|
|00005e90| 2d 20 31 2e 30 64 32 33 | 2c 20 31 2e 30 64 32 32 |- 1.0d23|, 1.0d22|
|00005ea0| 20 26 20 31 2e 30 64 32 | 31 20 42 75 67 20 46 69 | & 1.0d2|1 Bug Fi|
|00005eb0| 78 65 73 0d 0d 2d 31 2e | 30 64 32 30 0d 31 2e 20 |xes..-1.|0d20.1. |
|00005ec0| 41 64 64 20 67 61 72 62 | 61 67 65 20 63 6f 6c 6c |Add garb|age coll|
|00005ed0| 65 63 74 69 6f 6e 20 74 | 6f 20 74 68 65 20 63 6f |ection t|o the co|
|00005ee0| 64 65 20 73 70 61 63 65 | 20 2d 20 66 69 6e 64 61 |de space| - finda|
|00005ef0| 6c 6c 20 77 69 74 68 6f | 75 74 20 74 65 61 72 73 |ll witho|ut tears|
|00005f00| 21 0d 32 2e 20 46 69 78 | 20 73 6f 6d 65 20 6f 64 |!.2. Fix| some od|
|00005f10| 64 20 62 65 68 61 76 69 | 6f 75 72 20 6f 66 20 74 |d behavi|our of t|
|00005f20| 68 65 20 64 65 62 75 67 | 67 65 72 2e 20 49 74 20 |he debug|ger. It |
|00005f30| 73 65 65 6d 65 64 20 74 | 6f 20 77 61 6e 64 65 72 |seemed t|o wander|
|00005f40| 20 6f 66 66 0d 73 6f 6d | 65 74 69 6d 65 73 c9 0d | off.som|etimes..|
|00005f50| 0d 2d 31 2e 30 64 31 38 | 0d 31 2e 20 41 6e 69 6d |.-1.0d18|.1. Anim|
|00005f60| 61 74 65 64 20 43 75 72 | 73 6f 72 20 74 6f 20 73 |ated Cur|sor to s|
|00005f70| 74 6f 70 20 69 74 20 72 | 65 73 74 69 6e 67 20 6f |top it r|esting o|
|00005f80| 72 20 73 6c 65 65 70 69 | 6e 67 20 6f 6e 20 61 20 |r sleepi|ng on a |
|00005f90| 6c 6f 6e 67 20 63 61 6c | 63 75 6c 61 74 69 6f 6e |long cal|culation|
|00005fa0| 20 69 6e 20 61 0d 50 6f | 72 74 61 62 6c 65 2e 0d | in a.Po|rtable..|
|00005fb0| 0d 2d 31 2e 30 64 31 37 | 0d 31 2e 20 43 6f 73 6d |.-1.0d17|.1. Cosm|
|00005fc0| 65 74 69 63 20 69 6d 70 | 72 6f 76 65 6d 65 6e 74 |etic imp|rovement|
|00005fd0| 73 2c 20 70 61 72 74 69 | 63 75 6c 61 72 6c 79 20 |s, parti|cularly |
|00005fe0| 6d 75 6c 74 69 2d 73 63 | 72 65 65 6e 20 68 61 6e |multi-sc|reen han|
|00005ff0| 64 6c 69 6e 67 2e 0d 32 | 2e 20 4e 65 77 20 77 69 |dling..2|. New wi|
|00006000| 6e 64 6f 77 2d 68 61 6e | 64 6c 69 6e 67 20 70 72 |ndow-han|dling pr|
|00006010| 65 64 69 63 61 74 65 73 | 2e 0d 33 2e 20 45 78 74 |edicates|..3. Ext|
|00006020| 65 72 6e 61 6c 20 50 72 | 65 64 69 63 61 74 65 20 |ernal Pr|edicate |
|00006030| 49 6e 74 65 72 66 61 63 | 65 20 49 6e 70 72 6f 76 |Interfac|e Inprov|
|00006040| 65 6d 65 6e 74 0d 0d 2d | 20 31 2e 30 64 31 36 0d |ement..-| 1.0d16.|
|00006050| 31 2e 09 41 20 63 72 61 | 73 68 2d 77 69 74 68 6f |1..A cra|sh-witho|
|00006060| 75 74 2d 77 61 72 6e 69 | 6e 67 20 62 75 67 20 68 |ut-warni|ng bug h|
|00006070| 61 73 20 62 65 65 6e 20 | 63 75 72 65 64 2e 0d 32 |as been |cured..2|
|00006080| 2e 09 41 20 62 75 67 20 | 69 6e 20 63 61 6c 6c 28 |..A bug |in call(|
|00006090| 58 29 20 77 68 69 63 68 | 20 64 65 63 6c 61 72 65 |X) which| declare|
|000060a0| 64 20 61 20 63 61 6c 6c | 20 6c 69 6b 65 20 63 61 |d a call| like ca|
|000060b0| 6c 6c 28 28 72 65 61 64 | 28 58 29 2c 58 29 29 20 |ll((read|(X),X)) |
|000060c0| 69 6c 6c 65 67 61 6c 20 | 62 65 63 61 75 73 65 0d |illegal |because.|
|000060d0| 74 68 65 20 73 65 63 6f | 6e 64 20 63 61 6c 6c 20 |the seco|nd call |
|000060e0| 77 61 73 20 75 6e 69 6e | 73 74 61 6e 74 69 61 74 |was unin|stantiat|
|000060f0| 65 64 20 68 61 73 20 62 | 65 65 6e 20 63 75 72 65 |ed has b|een cure|
|00006100| 64 2e 0d 33 2e 09 54 68 | 65 20 44 43 47 20 63 6f |d..3..Th|e DCG co|
|00006110| 6d 70 69 6c 65 72 20 68 | 61 73 20 62 65 65 6e 20 |mpiler h|as been |
|00006120| 63 68 61 6e 67 65 64 20 | 61 20 6c 69 74 74 6c 65 |changed |a little|
|00006130| 2e 0d 34 2e 09 56 61 72 | 69 6f 75 73 20 63 6f 73 |..4..Var|ious cos|
|00006140| 6d 65 74 69 63 20 69 6d | 70 72 6f 76 65 6d 65 6e |metic im|provemen|
|00006150| 74 73 2e 0d 35 2e 09 41 | 20 6e 75 6d 62 65 72 20 |ts..5..A| number |
|00006160| 6f 66 20 65 78 74 72 61 | 20 70 72 65 64 69 63 61 |of extra| predica|
|00006170| 74 65 73 20 74 6f 20 68 | 61 6e 64 6c 65 20 77 69 |tes to h|andle wi|
|00006180| 6e 64 6f 77 20 49 2f 4f | 20 68 61 76 65 20 62 65 |ndow I/O| have be|
|00006190| 65 6e 20 61 64 64 65 64 | 2e 0d 0d 2d 20 31 2e 30 |en added|...- 1.0|
|000061a0| 64 31 35 0d 31 2e 20 41 | 20 72 65 73 74 72 69 63 |d15.1. A| restric|
|000061b0| 74 69 6f 6e 20 77 68 69 | 63 68 20 72 65 71 75 69 |tion whi|ch requi|
|000061c0| 72 65 64 20 61 6c 6c 20 | 3c 45 4e 54 45 52 3e 65 |red all |<ENTER>e|
|000061d0| 64 20 74 65 78 74 20 28 | 69 6e 63 6c 75 64 69 6e |d text (|includin|
|000061e0| 67 20 63 6f 6d 6d 61 6e | 64 73 29 0d 74 6f 20 62 |g comman|ds).to b|
|000061f0| 65 20 6f 6e 20 74 68 65 | 20 57 6f 72 6b 73 68 65 |e on the| Workshe|
|00006200| 65 74 20 68 61 73 20 62 | 65 65 6e 20 72 65 6d 6f |et has b|een remo|
|00006210| 76 65 64 2e 0d 32 2e 20 | 53 6f 6d 65 74 69 6d 65 |ved..2. |Sometime|
|00006220| 73 20 74 68 65 20 77 61 | 79 20 69 6e 20 77 68 69 |s the wa|y in whi|
|00006230| 63 68 20 70 61 72 74 20 | 6f 66 20 61 20 6c 69 6e |ch part |of a lin|
|00006240| 65 20 77 61 73 20 70 69 | 63 6b 65 64 20 66 6f 72 |e was pi|cked for|
|00006250| 20 73 65 6c 65 63 74 69 | 6f 6e 0d 77 61 73 20 61 | selecti|on.was a|
|00006260| 20 6c 69 74 74 6c 65 20 | 75 6e 70 72 65 64 69 63 | little |unpredic|
|00006270| 74 61 62 6c 65 2e 20 54 | 68 69 73 20 68 61 73 20 |table. T|his has |
|00006280| 62 65 65 6e 20 63 75 72 | 65 64 2e 0d 33 2e 20 41 |been cur|ed..3. A|
|00006290| 20 2d 31 39 32 20 77 61 | 72 6e 69 6e 67 20 63 61 | -192 wa|rning ca|
|000062a0| 75 73 65 64 20 62 79 20 | 61 20 68 61 72 6d 6c 65 |used by |a harmle|
|000062b0| 73 73 20 66 61 75 6c 74 | 20 69 6e 20 74 68 65 20 |ss fault| in the |
|000062c0| 53 79 73 74 65 6d 0d 77 | 68 65 6e 20 44 41 20 4d |System.w|hen DA M|
|000062d0| 65 6e 75 7a 20 61 6e 64 | 20 53 75 69 74 63 61 73 |enuz and| Suitcas|
|000062e0| 65 20 77 65 72 65 20 70 | 72 65 73 65 6e 74 20 68 |e were p|resent h|
|000062f0| 61 73 20 62 65 65 6e 20 | 72 65 6d 6f 76 65 64 2e |as been |removed.|
|00006300| 0d 0d 2d 20 31 2e 30 64 | 31 34 0d 49 6e 69 74 69 |..- 1.0d|14.Initi|
|00006310| 61 6c 20 52 65 6c 65 61 | 73 65 0d 00 00 00 00 00 |al Relea|se......|
|00006320| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00006330| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00006340| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00006350| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00006360| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00006370| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|00006380| 00 00 01 00 00 00 01 30 | 00 00 00 30 00 00 00 32 |.......0|...0...2|
|00006390| 20 20 20 45 4e 44 3b 0d | 20 20 20 20 20 20 20 20 | END;.| |
|000063a0| 20 20 20 20 20 20 45 4e | 44 3b 0d 20 20 20 20 20 | EN|D;. |
|000063b0| 10 52 65 76 69 73 69 6f | 6e 20 48 69 73 74 6f 72 |.Revisio|n Histor|
|000063c0| 79 69 02 00 00 00 50 61 | 72 74 53 49 54 21 00 00 |yi....Pa|rtSIT!..|
|000063d0| 00 00 50 61 72 74 53 49 | 54 21 00 00 00 00 00 00 |..PartSI|T!......|
|000063e0| 00 00 00 00 00 00 00 00 | 00 00 00 00 00 00 00 00 |........|........|
|000063f0| 00 00 a9 c7 3a 2a 00 00 | 00 00 00 00 01 62 20 20 |....:*..|.....b |
+--------+-------------------------+-------------------------+--------+--------+
Only 25.0 KB of data is shown above.