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[editor's note: this commit combines approximate 4 months of furious
releases of Andy Dougherty and Larry Wall - see pod/perlhist.pod for
details. Andy notes that;
Alas neither my "Irwin AccuTrack" nor my DC 600A quarter-inch cartridge
backup tapes from that era seem to be readable anymore. I guess 13 years
exceeds the shelf life for that backup technology :-(.
]
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[editor's note: the sparc executables have not been included,
and emacs backup files have been removed]
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[editor's note: the sparc executables have not been included,
and emacs backup files and other cruft such as patch backup files have
been removed. This was reconstructed from a tarball found on the
September 1994 InfoMagic CD]
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[editor's note: from history.perl.org. The sparc executables
originally included in the distribution are not in this commit.]
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See patch #20.
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So far, 4.0 is still a beta test version. For the last production
version, look in pub/perl.3.0/kits@44.
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See patch #19.
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In patch 13, there was a fix to make the VAR=value construct
in a command force interpretation by the shell. This was botched,
causing an argv list to be occasionally allocated with too small
a size. This problem is hidden on some machines because of
BSD malloc's semantics.
The lib/dumpvar.pl file was missing final 1; which made it
difficult to tell if it loaded right.
The lib/termcap.pl Tgetent subroutine didn't interpret ^x right
due to a missing ord().
In the section of the man page that gives hints for C programmers,
it falsely declared that you can't subscript array values. As of
patch 13, this statement is "inoperative".
The t/op.sleep test assumed that a sleep of 2 seconds would always
return a value of 2 seconds slept. Depending on the load and
the whimsey of the scheduler, it could actually sleep longer than
2 seconds upon occasion. It now allows sleeps of up to 10 seconds.
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See patch #9.
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A few of the new features: (18 Oct)
* Perl can now handle binary data correctly and has functions to pack and unpack binary structures into arrays or lists. You can now do arbitrary ioctl functions.
* You can now pass things to subroutines by reference.
* Debugger enhancements.
* An array or associative array may now appear in a local() list.
* Array values may now be interpolated into strings.
* Subroutine names are now distinguished by prefixing with &. You can call subroutines without using do, and without passing any argument list at all.
* You can use the new -u switch to cause perl to dump core so that you can run undump and produce a binary executable image. Alternately you can use the "dump" operator after initializing any variables and such.
* You can now chop lists.
* Perl now uses /bin/csh to do filename globbing, if available. This means that filenames with spaces or other strangenesses work right.
* New functions: mkdir and rmdir, getppid, getpgrp and setpgrp, getpriority and setpriority, chroot, ioctl and fcntl, flock, readlink, lstat, rindex, pack and unpack, read, warn, dbmopen and dbmclose, dump, reverse, defined, undef.
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