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

[wlemb]

Log from commit: 

Update of /var/cvs/groff/src/roff/troff
In directory genba:/tmp/cvs-serv28907/src/roff/troff

Modified Files:
        input.cc 
Log Message:
Another round trying to really fix problems with `have_input'.

* src/roff/troff/input.cc (input_stack::get): Handle `have_input'.
(token::next) <'\n'>, <\'\n'>: Don't handle `have_input'.

* src/devices/grotty/tty.cc (tty_printer::put_color): Fix color
handling if both foreground and background colors are default.

* doc/groff.texinfo (Debugging): Document .lf differences to
AT&T troff.