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55372. By Craig A. Berry <email address hidden> on 2018-01-05

Alternate backup file rename test for VMS.

The existing test that made a directory called foo.bak and then
made sure the rename of a backup file from in-place edit failed
to overwrite the directory doesn't work on VMS because there is
no conflict between a file named foo.bak and directory named
[foo^.bak] in directory syntax or foo^.bak.DIR in filename syntax.
The .DIR extension is always there, and other dots in the name
are escaped with caret because dot is the directory delimiter.

So just make version 32767 of foo.bak and when the rename tries
to make the next higher version it will fail. We're testing what
happens when the rename fails not why it fails, so we accomplish
the same goal via a different mechanism.

55371. By Craig A. Berry <email address hidden> on 2018-01-05

Document system(1, @args) under VMS in perlport.

It's been there for Win32 for some time, but we've imitated the
Windows behavior since eed5d6a149b02c1699.

55370. By Craig A. Berry <email address hidden> on 2018-01-05

Hide Perl_isSCRIPT_RUN from the re extension.

Otherwise the extension fails to build on VMS because the symbol
is multiply defined and a linker warning about that is escalated
to a run-time error.

55369. By Karl Williamson <email address hidden> on 2018-01-04

Actually remove stray ';'

The previous commit was supposed to include this

55368. By Karl Williamson <email address hidden> on 2018-01-04

regexec.c: Clarify comments; remove stray ';'

55367. By Karl Williamson <email address hidden> on 2018-01-04

Script Run: Scripts couldn't start with Common

The Common script is supposed to be intermixable with any other script.
But it wasn't properly handling the case where the first character in
the string was Common, and a subsequent character was some real script.

55366. By Karl Williamson <email address hidden> on 2018-01-04

Script runs: was swallowing next char in pattern

In /(+script_run:foo)bar/, the 'b' was being swallowed without being
acted upon. This would affect the '$' to mean match end of string

55365. By Karl Williamson <email address hidden> on 2018-01-04

Make script run code a separate function

This just does the minimal work (plus white space) to make this code
into a separate function, so that it can be called from elsewhere in the
core.

55364. By Niko Tyni on 2018-01-02

Add missing newline to the "Unable to flush stdout" diagnostic

Originally reported by Jakub Wilk.

Bug-Debian: https://bugs.debian.org/875361

55363. By David Mitchell <email address hidden> on 2018-01-02

pp_multiconcat(): fix win32 compiler warning

pp_hot.c(930) : warning C4146: unary minus operator applied to unsigned type,
result still unsigned

Negating an unsigned STRLEN (aka Size_t) string length in this case will
never encounter a situation where the value is too big to be negated,
because at that point we have both the string and a grown buffer of at
least equal size in memory simultaneously, so targ_len < Size_t_MAX/2.

So just cast away the warning.