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- 0.90 First release
-
- 0.91 Provide one extra connection so that lpq requests can get
- through and return status. Lprm requests fail; they make no
- sense.
-
- Display IP address of client.
-
- Rudimentary security. Server and client must both be on same
- subnet. Can be disabled with -s option.
-
- More security; allow and deny IP lists.
-
- Distribution includes lpr.pl for the ifilter and banner.pl for
- the ofilter on Berkeley LPD systems.
-
- Announce available printers with tones: C,D,E
-
- 0.92 More information on lpq status: on/offline, paper out.
-
- Option -n to override number of printers reported by BIOS.
-
- Option -lhostip logs startup message and status changes to
- syslogd on host.
-
- Fixed bug in lpr.pl. Was sending out data file again as control
- file. Remnants of test implementation. Made lpr.pl unworkable
- with standard LPDs and also wasted channel capacity.
-
- 0.93 Report jobname, username and hostname on completion of job.
-
- Use name resolution so names can be specified for -a, -d and
- -l.
-
- 0.94 Conformance to RFC1179. Control and data files in either
- order. Use N for jobname rather than J. Limits on username and
- hostname now conform to RFC. Jobname truncated to 31 chars
- though.
-
- Respond to long query request as for short query.
-
- Changes to lpr.pl to match. Try to use ports 721 to 731
- inclusive. Naming conventions for data and control files as
- RFC.
-
- 0.95 Add -j option to select direct (telnet-like) protocol. Just
- a raw byte stream, ended by closing the connection. On port
- 9100+n (n=0,1,2) by default.
-
- Provided jd.pl to send data by direct protocol.
-
- Fixed harmless comparison operator bugs in lpr.pl.
-
- Fixed bug in lpr.pl where control and data were using same
- count of bytes because same variable was used.
-
- Improved buffering strategy: if printer is busy, keep
- collecting data as long as there is room in buffer. Allows
- clients that send small packets to continue sending without
- being blocked by printer handshake.
-
- 0.96 Fixed bug where server closed connection before printing everything
- in direct mode. Doesn't happen in lpd mode because of handshake.
-
- Forgot to provide jd.pl in last release.
-
- New program jd.exe, a DOS client for direct protocol.
-
- Use DOS LPT to COM redirection in conjunction with TSRCOMM,
- an interrupt I/O serial driver. See documentation in LPTCOM.ZIP.
-
- Provided documentation in pprd.doc and jd.doc.
-
- 0.97 Added -i option to pprd to reinitialise printer via hardware line
- when job aborted via C-Fn keys.
-
- Send a reset via sock_abort when job cancelled from console so
- that client will receive notification of a broken connection.
- Lpr.pl and jd.pl changed to take note of this.
-
- New program jdlprd.pl for Unix systems to provide a jd to lpr
- gateway so jd.exe can send jobs to Unix also.
-
- Harmless typo in jd.pl.
-
- No need to call tcp_shutdown() in jd.c. It will be done by
- atexit().
-
- 0.98 Bug in pprd.c. Under some circumstances, PPRD may miss a EOF
- from the client, leaving it stuck in the protocol.
-
- Bug on lpr.pl. Forgot to adjust length to send EOF byte too.
-
- New feature. Printers can be assigned names in wattcp.cfg.
- Defaults are lpt[123].
-
- 0.99 For printing via BIOS, interface will not be ready after the
- print call, so check again. Should be able to batch the
- bytes better.
-
- Direct write to hardware port can be selected by -b. Should
- be able to handle fast interfaces better than BIOS. Won't
- make much difference with slow printers because the bottleneck
- is the printer in that case.
-
- Moved most operation instructions out of README. Documentation
- in nroff format. Printable version supplied.
-
- 1.00 Final version.
-
- Tweak printer status checking in loop.
-
- Print out statistics at end of job.
-