dragora/patches/texinfo/perl-528-fixes

>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(-)

diff --git a/tp/Texinfo/Parser.pm b/tp/Texinfo/Parser.pm
index dc32ca2..c577aa9 100644
--- a/tp/Texinfo/Parser.pm
+++ b/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->__(
-- 
2.17.0