perl bug , unescaped left brace

[carl hansen]

if TEXINFO_DEV_SOURCE=1 ; export TEXINFO_DEV_SOURCE ; top_srcdir=".."
; export top_srcdir ; top_builddir=".." ; export top_builddir ;
/usr/local/bin/perl ../tp/texi2any   -I . \
 -o info-stnd.info `test -f 'info-stnd.texi' || echo './'`info-stnd.texi; \
then \
  rc=0; \
else \
  rc=$?; \
  $restore $backupdir/* `echo "./info-stnd.info" | sed 's|[^/]*$||'`; \
fi; \
rm -rf $backupdir; exit $rc
Unescaped left brace in regex is deprecated here (and will be fatal in
Perl 5.32), passed through in regex; marked by <-- HERE in
m/^\s+@([[:alnum:]][[:alnum:]\-]*)({ <-- HERE })?\s*/ at
../tp/Texinfo/Parser.pm line 5481.
Unescaped left brace in regex is deprecated here (and will be fatal in
Perl 5.32), passed through in regex; marked by <-- HERE in
m/^\s+@([[:alnum:]][[:alnum:]\-]*)({ <-- HERE
})?\s*(\@(c|comment)((\@|\s+).*)?)?/ at ../tp/Texinfo/Parser.pm line
5485.
Unescaped left brace in regex is deprecated here (and will be fatal in
Perl 5.32), passed through in regex; marked by <-- HERE in
m/^\s+@([[:alnum:]][[:alnum:]\-]*)({ <-- HERE })?\s*/ at
../tp/Texinfo/Parser.pm line 5481.
Unescaped left brace in regex is deprecated here (and will be fatal in
Perl 5.32), passed through in regex; marked by <-- HERE in
m/^\s+@([[:alnum:]][[:alnum:]\-]*)({ <-- HERE
})?\s*(\@(c|comment)((\@|\s+).*)?)?/ at ../tp/Texinfo/Parser.pm line
5485.