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

[wlemb]

Log from commit: 

Update of /var/cvs/groff/man
In directory genba:/tmp/cvs-serv18150/man

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


Implement new string-valued register `.sty' to return the current
style name.

* env.cpp (environment::get_style_name_string): New function.
(init_env_requests): Add `.sty' register.
* env.h (environment): Updated.
* node.cpp (font_info): Make `get_style_name' a friend.
(get_style_name): New function.
* node.h: Updated.

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