[l2h] iso_map()

[Daniel Gildea]

thanks for the report, I have updated this in github.

> 
> I think the perl code of iso_map() in latex2html.pin may be fail:
> 
>   10883         $enc =~ /^\&\#(\d{3});$/;
>   10884         # numeric character references in html refer to unicode
>   10885         # we need to convert this char to an 8-bit character
>   10886         if ($1 && ($1<=255)) { $enc = chr($1) }
> 
> If the value of the "$enc" doesn't match the pattern in the line
> 10883 (for example, ""e;", which exists in %iso_8859_1_
> character_map), then $1 in the line 10886 may be old value for
> another pattern matching.
> 
> I think the following code may be better:
> 
>  if ($enc =~ /^\&\#(\d{3});$/ && $1 && $1<=255) { $enc = chr($1) }
>