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

[wlemb]

Log from commit: 

Update of /var/cvs/groff
In directory genba:/vol5/tmp/cvs-serv6447

Modified Files:
        ChangeLog NEWS 
Log Message:

Added request `hpfa' to append hyphenation patterns.

* src/roff/troff/env.cc (hyphen_trie::read_patterns_file): Add
parameter `append'.
(hyphenation_patterns_file): Renamed to...
(do_hyphenation_patterns_file): This.
(hyphenation_patterns_file, hyphenation_patterns_file_append): New
functions.
(init_hyphen_requests): Updated.
* NEWS, man/groff.man, man/groff_diff.man: Document it.