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

[wlemb]

Log from commit: 

Update of /var/cvs/groff/src/roff/troff
In directory genba:/vol5/tmp/cvs-serv26718/src/roff/troff

Modified Files:
        env.cc env.h node.cc node.h 
Log Message:


Implement new string-valued register `.fn' to return the current
real (internal) font name.

* env.cc (environment::get_font_name_string): New function.
(init_env_requests): Add `.fn' register.
* env.h (environment): Updated.
* node.cc (font_info): Make `get_font_name' a friend.
(get_font_name): New function.
* node.h: Updated.

* man/groff_diff.man, man/groff.man, NEWS: Updated.