texinfo/perl-5.28-fixes.patch

>From 1f27900352e04ff4f19bec1c1e9635adad2be31c Mon Sep 17 00:00:00 2001
From: Niko Tyni <ntyni@debian.org>
Date: Fri, 18 May 2018 10:40:00 +0100
Subject: [PATCH] Fix unescaped left braces in regexps, deprecated since Perl
 5.27.8

This fixes test failures on recent Perl versions.
---
 tp/Texinfo/Parser.pm | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Index: texinfo-6.5/tp/Texinfo/Parser.pm
===================================================================
--- texinfo-6.5.orig/tp/Texinfo/Parser.pm
+++ texinfo-6.5/tp/Texinfo/Parser.pm
@@ -5478,11 +5478,11 @@ sub _parse_special_misc_command($$$$)
     }
   } elsif ($command eq 'clickstyle') {
     # REMACRO
-    if ($line =~ /^\s+@([[:alnum:]][[:alnum:]\-]*)({})?\s*/) {
+    if ($line =~ /^\s+@([[:alnum:]][[:alnum:]\-]*)(\{\})?\s*/) {
       $args = ['@'.$1];
       $self->{'clickstyle'} = $1;
       $remaining = $line;
-      $remaining =~ s/^\s+@([[:alnum:]][[:alnum:]\-]*)({})?\s*(\@(c|comment)((\@|\s+).*)?)?//;
+      $remaining =~ s/^\s+@([[:alnum:]][[:alnum:]\-]*)(\{\})?\s*(\@(c|comment)((\@|\s+).*)?)?//;
       $has_comment = 1 if (defined($4));
     } else {
       $self->line_error (sprintf($self->__(
Index: texinfo-6.5/tp/Texinfo/Convert/XSParagraph/xspara.c
===================================================================
--- texinfo-6.5.orig/tp/Texinfo/Convert/XSParagraph/xspara.c
+++ texinfo-6.5/tp/Texinfo/Convert/XSParagraph/xspara.c
@@ -248,6 +248,11 @@ xspara_init (void)
 
   dTHX;
 
+#if PERL_VERSION > 27 || (PERL_VERSION == 27 && PERL_SUBVERSION > 8)
+  /* needed due to thread-safe locale handling in newer perls */
+  switch_to_global_locale();
+#endif
+
   if (setlocale (LC_CTYPE, "en_US.UTF-8")
       || setlocale (LC_CTYPE, "en_US.utf8"))
     goto success;
@@ -320,6 +325,10 @@ failure:
     {
 success: ;
       free (utf8_locale);
+#if PERL_VERSION > 27 || (PERL_VERSION == 27 && PERL_SUBVERSION > 8)
+      /* needed due to thread-safe locale handling in newer perls */
+      sync_locale();
+#endif
       /*
       fprintf (stderr, "tried to set LC_CTYPE to UTF-8.\n");
       fprintf (stderr, "character encoding is: %s\n",