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

[wlemb]

Log from commit: 

Update of /var/cvs/groff/src/roff/troff
In directory genba:/vol2/tmp/cvs-serv2127/src/roff/troff

Modified Files:
        env.cc env.h input.cc node.cc node.h 
Log Message:
Redesigned the `unformat' request.  It is no longer connected with
`asciify' but rather uses new `reread()' methods if the `unformat'
flag is set.  Additionally, the handling of space characters after
unformatting has been fixed so that they retain their width.

* src/roff/troff/node.h (width_list): New structure to store
original widths of spaces.
(node): Added `unformat' member.
Replaced `num_spaces' variable with `orig_width' list.
* src/roff/troff/node.cc (*node::asciify,
asciify_reverse_node_list): Removed `unformat_only' flag and related
code.
(word_space_node::asciify, word_space_node::word_space_node): Use
`orig_width'.
(word_space_node::~word_space_node): New destructor.
(word_space_node::copy): Updated to handle `orig_width'.
(hmotion_node::copy, unbreakable_space_node::copy): Updated.
(*node::merge_space): Update `orig_width' list if necessary.
(*node::set_unformat_flag): New methods to set the `unformat' flag.
* src/roff/troff/enc.cc (environment::space_newline): Use
`width_list'.
(environment::space): Added method to handle space width and
sentence space width as parameters.  Use `width_list'.
(environment::make_tab_node): Updated.
* src/roff/troff/env.h: Updated.
* src/roff/troff/input.cc (word_space_node::reread,
unbreakable_space_node::reread, hmotion_node::reread): New methods
to handle nodes specially if `unformat' flag is set.
(do_asciify_macro): Renamed back to ...
(asciify_macro): This.
(unformat_macro): New implementation to simply set the `unformat'
flag.

* MORE.STUFF: Added more info about deroff.