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

[wlemb]

Log from commit: 

Update of /var/cvs/groff/man
In directory genba:/vol5/tmp/cvs-serv21136/man

Modified Files:
        groff.man groff_diff.man 
Log Message:

Implement a fallback character request `.fchar'.

* src/roff/troff/charinfo.h (charinfo): New flag `fallback'.
(is_fallback): New inline function.
* src/roff/troff/input.cc (do_define_character): New function.
(define_character): Call `do_define_character'.
(define_fallback_character): New function.
(init_input_requests): Add `fchar'.
(charinfo::charinfo): Updated.
(charinfo::set_macro): New argument to set `fallback' flag.
* src/roff/troff/node.cc (make_glyph_node, make_node,
node::add_char): Check `fallback' flag.
* NEWS, man/groff_diff.man, man/groff_man: Updated.