diff -up texinfo-6.5/tp/Texinfo/Parser.pm.orig texinfo-6.5/tp/Texinfo/Parser.pm

--- texinfo-6.5/tp/Texinfo/Parser.pm.orig	2018-06-12 13:40:29.356030136 +0200

+++ texinfo-6.5/tp/Texinfo/Parser.pm	2018-06-12 13:41:28.357725639 +0200

@@ -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->__(