With Perl 5.41.7, there are two issues that need to be corrected: Possible precedence problem between ! and string eq at /home/itodoro/zopen/usr/local/zopen/texinfo/texinfo/share/texinfo/Texinfo/Convert/Converter.pm line 1092. Possible precedence problem between ! and string eq at /home/itodoro/zopen/usr/local/zopen/texinfo/texinfo/share/texinfo/Texinfo/Convert/Info.pm line 92.
See https://github.com/Perl/perl5/issues/22954#issuecomment-2623408763 for more details.