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- What's new?
- ===========
-
- Since 2.65, which was bundled with the !Zap release 1.20:
-
- 2.66:
-
- Under RISC OS 3.5, a dynamic area is used for workspace, rather than the
- RMA. This should help prevent RMA fragmentation amongst other things.
-
- 2.67 (bundled with !Zap release 1.30):
-
- Bug fix -- routine which redraws a line on Ctrl-L, etc now repositions cursor
- after redraw. Code *was* there, but a missing 'S' meant that it didn't fire
- ever.
-
- Added two bindable commands:
-
- SHOWCOMP: This list all completions matching a wildcarded filename. Files
- which are regarded as executable (Obey, Absolute, BASIC, Utility and Command
- filetypes) are marked with a trailing "*" and directories (and application
- directories) with a trailing ".". Since neither "*" nor "." are valid in
- leafnames, this shouldn't cause any ambiguities. This is bound to Ctrl-C in
- the default map. In tcsh it is on Ctrl-D, which also does "delete right" if
- there are characters to the right, or lists completions if you're at the end
- of the line. Or logs you out if you haven't typed anything :(. LineEditor is
- more versatile, so Ctrl-D isn't really a good choice.
-
- COMPLETESHOW: This does a tcsh-like completion (i.e. complete as far as all
- matches are common) and then does SHOWCOMP if there is more than one
- completion. I have rebound TAB to this instead of COMPLETE in the default
- key map.
-
- File lists mark directories/apps with a trailing '.' and executables (i.e.
- Command, BASIC, Utility, Absolute, Obey) with a trailing '*'.
-
- The completion code will now turn on the hourglass if the completion takes a
- while (e.g. completing filenames on a freshly inserted floppy disc).
-
- The completion code now correctly handles filenames containing temporary
- filing systems and no sub-directories (for example "-adfs-foo*").
-
- Added FILEROPEN and FILERCLOSE hackily (currently disabled). These do
- a Filer_OpenDir/Filer_CloseDir on the directory currently being completed.
-
- Removed a few dead code instructions (ho hum).
-
- Fixed a couple of problems handling addresses with top bit set (hopefully).
-
- Now redisplay prompt in redrawline too, using Mark Wooding's code to print
- CLI$Prompt.
-
- Removed *Help Editor text -- will be replaced by an option to "bindkey" at
- some point.
-
- Removed all use of CMOS RAM, and switched to using a SWI call, which allows
- more configuration options. See file "ConfigOpts" for details.
-
- Added option to not remove indentical lines from history.
-
- Added option to set maximum line length to store in history.
-
- Various internal tweaks and fettles
-
- Buffer API added for use by external programs (e.g. !Zap). If you're
- especially interested, contact me and I'll send you the API documentation as
- it stands. I'll tidy up and release it with the next release.
-
- Fixed bug which meant unexpanded leading tildes were never stripped.
-
- Added ! expansion like csh/tcsh/bash. !! expands to the last line, !<n>
- gives history line n, !-<n> gives the n-th most recent. Currently this
- is only applied if the ! is at the start of the line.
-
- ~ expansion and ! expansion can be turned off if desired.
-
- Cursor is now restored by uncopy.
-
- Copy action now toggles as intended.
-
- ^ replacement added ("^flie^file" will replace the first match for "flie"
- with "file" in the previous line in the history and "^flie^file^extra" will
- also append "extra"). This is like in various UNIX shells.
-
- 2.68:
-
- Fixed bug which could cause a crash if LineEditor is started with parameters.
-
- 2.69:
-
- Added System variable completion (e.g. type <Sys and press TAB). There's a
- known niggle at present, which is that LineEditor doesn't like '.' when
- parsing for system variable names (such as in "Alias$.") so 4DOS-style
- completion won't step past them. The fix is more involved than it might
- seem, so I've left it for the next release.
-
- Extended key codes are now disabled if a *Exec file is being processed (check
- fails in TaskWindows for some reason (on Risc PC anyway)).
-
- scSpace now produces correct keycode value (was producing code for cSpace).
-
- Bug fix for 4DOS completion (used to rely on free + malloc working).
-
- Beeps are now produced by calling SWI Sound_Control so work even with
- poor TaskWindow servers which ignore VDU7 (such as !Edit).
-
- Temporary fix for problem with restarting LineEditor while !Zap is running:
- Now refuses to shut down if any client buffers have been created but not
- destroyed. The full fix is to take an optional task handle and free the
- client buffer if that task quits.
-
- Added workaround for ImageFSFix bug (it "loses" VS on some OS_GBPB errors).
-
- Fixed bug in "previous completion" code which could cause a very long loop
- which couldn't be broken out of (very long == possibly several days).
-
- 2.70:
-
- Unknown SWIs in LineEditor SWI chunk no longer hang machine (bug in PRM
- sample code).
-
- Fixed completion code so system variable completions with '.' in work.
-
- Added filing system name completion (e.g. "-A" [TAB] -> "-ADFS-").
-
- Add trailing dots now works for 4DOS completion.
-
- 4DOS completion of system variables adds trailing '>' (and for FS adds '-').
-
- LineEditor_CreateBuffer extended to allow taskhandle to be passed in, and
- the buffer is freed automatically if that task quits.
-
- List completions of system variable adds 'M' for macro, 'n' for number,
- 'C' for code.
-
- List completions of filing system adds 'r' for read-only FS (not RO2).
-
- You can now safely quit a TaskWindow from the Task Manager (on RISC OS 3.1,
- used to not work and sometimes could even hang machine).
-
- 2.71:
-
- Added *SaveHistory/*LoadHistory. These save/load the history buffer as a
- text file (most recently used buffer if you use local buffers). LoadHistory
- passes lines through the usual min/max length checks, although currently
- lines over 255 characters are ignored regardless. With global history, add
- "*LoadHistory somefile" to your !Boot and "*SaveHistory somefile" to a
- shutdown script (assuming you have one) and your history will persist over
- shutdowns. This will be made simpler in a future release.
-
- Fixed bug which could cause hang if history buffer filled up.
-
- *Recall with local history now only reports current buffer (please complain
- if you prefer the old behaviour).
-
- Minor internal tweak to cursor code.
-
- Olly
-