Please consider this patch, which fixes the issue: --- texinfo/Texinfo/Parser.pm +++ texinfo/Texinfo/Parser.pm @@ -2973,7 +2973,8 @@ $current->{'cmdname'}); } my $arg = $current->{'extra'}->{'block_command_line_contents'}->[0]->[0]; - if (!defined($arg->{'text'}) or $arg->{'text'} !~ /^[[:alnum:]]$/) { + if (!defined($arg->{'text'}) or ($arg->{'text'} !~ /^[[:alnum:]]$/ and + $arg->{'text'} !~ /^[0-9]+$/)) { $self->_command_error($current, $line_nr, $self->__("bad argument to \@%s"), $current->{'cmdname'});
-- Dmitry Shachnev
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