Re: [Groff] Character class support patch

[Werner LEMBERG]

> >What do you think of this syntax which reduces redundant syntactical
> >sugar:
> >
> >  classes
> >    ClassName          A B C D E;
> >    EquivalentClass    A - E;
> >    UppercaseAlphabet  @EquivalentClass
> >                       F - Z;
> >    MostEfficient      A - Z;
> >    Identifier         - A - Z a - z;
> >
> >I think we need a trailing comma or something like that to easily
> >support multiline entries (which greatly enhance readability).
> 
> Okay.  I'll work on it this weekend.  My concern was that a trailing 
> punctuation mark might be interpreted as a character, although I suppose 
> I can work around that.

Ah, my mistake.  It should be rather

  EquivIdentifier    A - Z - a - z ;

(note the space before the final `;') -- can you suggest a better
solution for multi-line entries?

> I'll also substitute the std::map usage for a ptable.

Thanks.

> >Additionally, we need support for handling Unicode ranges:
> >
> >    CJKpunct           u3000 - u303F;
> 
> My intention was that any valid glyph name was to be valid as a
> class character, but name_to_glyph apparently doesn't handle Unicode
> characters.  Should I be using a different function, or should I
> extend name_to_glyph?

Please let me first have a look at it (to be done in the next days).


    Werner