[Groff-commit] Changes to //var/cvs/groff

[wlemb]

Log from commit: 

Update of /var/cvs/groff/doc
In directory genba:/vol5/tmp/cvs-serv635/doc

Modified Files:
        groff.texinfo 
Log Message:

Make \X accept both `\ ' and `\~', converting them to single space
characters.

* src/roff/troff/token.h (token): Add TOKEN_UNSTRETCHABLE_SPACE.
(token::unstretchable_space): New inline function.
* src/roff/troff/input.cc (token::next, token::delimiter,
token::description, token::add_to_node_list, token::process): Handle
TOKEN_UNSTRETCHABLE_NODE.
(encode_char): Handle tok.stretchable_space and
tok.unstretchable_space.

* NEWS, doc/groff.texinfo: Document it..