+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
+