changelog

早期freebsd实现

	columns at end of table.

Thu May  7 08:50:40 1992  James Clark  (jjc at jclark)

	* troff/node.c (kern_pair_node::add_discretionary_hyphen,
	node::add_discretionary_hyphen): Use soft_hyphen_char.
	(set_soft_hyphen_char): New function.
	(init_node_requests): Bind to shc.  Initialize soft_hyphen_char.

	* Makefile (c++tested): Give more helpful message if test fails.

Tue May  5 10:58:39 1992  James Clark  (jjc at jclark)

	* troff/input.c (init_charset_table): Translate 0240 to
	an unbreakable space.

	* troff/token.h (token::hyphen_indicator): New function.
	* troff/charinfo.h (TRANSLATE_HYPHEN_INDICATOR): New special
	translation.
	* troff/input.c (translate): Allow translation to \%.
	* troff/node.c (node::add_char): Handle
	TRANSLATE_HYPHEN_INDICATOR.	
	(make_node): Don't allow TRANSLATE_HYPHEN_INDICATOR here.

	* troff/input.c (init_charset_table): Don't set BREAK_AFTER flag
	for \(hy.

	* tty/devlatin1/R.proto: \(hy and - should print as 055.

Tue Apr 21 09:24:42 1992  James Clark  (jjc at jclark)

	* groff.c (run_commands): If the last command gets a SIGPIPE send
	a SIGPIPE to all children than haven't yet terminated.  When
	command terminates, set pid field to -1.

Fri Apr 17 11:20:48 1992  James Clark  (jjc at jclark)

	* groff.c (main): Pass an appropriate -filename option to gxditview.

Thu Apr 16 15:11:40 1992  James Clark  (jjc at jclark)

	* Makefile.bd (install): Remove existing program before copying.

	* Makefile, */Makefile, Makefile.bd, groff.sh, groff.c: Allow
	programs which have Unix counterparts to be installed with
	user-specified prefix.

	* troff/input.c (exit_troff): Don't check if exit_started.
	(exit_request): Don't call exit_troff if exit_started.

	* Makefile.bd (install.mm): Rename to install.dwbmm.

Tue Apr 14 10:05:10 1992  James Clark  (jjc at jclark)

	* driver/input.c (do_file): Add missing break for '#' case.

Mon Apr 13 10:11:02 1992  James Clark  (jjc at jclark)

	* troff/input.c (input_stack::clear):  Clear past any boundaries and
	then add the boundaries back.

	* troff/input.c (exit_troff): Return immediately if already
	exiting.

	* macros/tmac.s (pg@end-text): New macro.  Use pg@end-text for the
	end macro.
	(pg*end-page): If the text has ended and there are no more
	footnotes or keeps, exit.

	* macros/doc-ditroff (Lq, Rq): Define as \(lq and \(rq.

	* troff/input.c (init_charset_table): Make \(rq transparent by
	default.

	* macros/tmac.an: Define lq and rq strings.

	* macros/tmac.s (Q, U): Define as \(lq and \(rq.

Sun Apr 12 12:54:37 1992  James Clark  (jjc at jclark)

	* troff/env.c (environment::final_break): New function.
	(environment::newline): Set prev_line_interrupted to 2 if
	exit_started.
	* troff/env.h: Declare environment::final_break.
	* troff/input.c (exit_troff): Call environment::final_break()
	instead of environment::do_break().

	* macros/Makefile: Install man.local if $(MACRODIR)/man.local
	doesn't already exist.
	* macros/man.local: New file.
	* macros/tmac.an: Load man.local.
	* macros/man.ultrix: New file.

Sat Apr 11 17:32:04 1992  James Clark  (jjc at jclark)

	* troff/input.c (exit_groff): Rename to...
	(exit_troff): New function.

	* troff/div.c (exit_started, done_end_macro,
	seen_last_page_ejector): New global variables.
	(began_page_in_end_macro): New static variable.
	(exit_flag): Deleted.
	(top_level_diversion::top_level_diversion): Initialize
	last_page_count.
	(top_level_diversion): More elaborate test for whether
	cleanup_and_exit() should be called.
	Set began_page_in_end_macro if the end macro isn't yet finished.
	* troff/div.h (top_level_diversion::last_page_count): New data
	member.
	(top_level_diversion::set_last_page): New function.
	(exit_started, done_end_macro, seen_last_page_ejector): Declare.
	* troff/env.c (do_break): Zero prev_line_interrupted.
	* troff/input.c (exit_flag): Delete declaration.
	(LAST_PAGE_EJECTOR): New magic cookie.
	(token::next): Handle LAST_PAGE_EJECTOR.
	(exit_groff): Set exit_started and done_end_macro instead of
	exit_flag.  Call top_level_diversion::set_last_page.  Push a
	LAST_PAGE_EJECTOR instead of calling push_page_ejector().  Do
	another ejection after setting seen_last_page_ejector.

Thu Apr  9 04:37:11 1992  James Clark  (jjc at jclark)

	* etc/grog.sh, etc/grog.sh: Recognize -me sh macro.

	* macros/tmac.e (TH): Make sure there's room for the initial
	header.

	* macros/tmac.s (par@init): Make PD and DD at least \n(.V.
	Set FVS in points rather than units.

Mon Apr  6 11:21:32 1992  James Clark  (jjc at jclark)

	* troff/div.c (top_level_diversion::add_trap): Don't consider the
	position of empty slots.

Fri Apr  3 10:46:45 1992  James Clark  (jjc at jclark)

	* ps/devps/S: Fix height and depth of parenrightex.
	* ps/devps/symbol.diff: Regenerate.

Sat Mar 28 21:17:52 1992  James Clark  (jjc at jclark)

	* tmac.e (u): Do underlining as in -mgs.

Fri Mar 27 09:23:44 1992  James Clark  (jjc at jclark)

	* tty/tty.c (tty_printer::end_page): If overstriking is
	suppressed, still turn overstruck horizontal and vertical lines
	into +.

	* lib/new.c: Back out Feb 24 change; no longer needed with gcc
	2.1.

	* refer/label.y (format_expr::evaluate): Avoid use of %0*d.

Wed Mar 18 09:29:10 1992  James Clark  (jjc at jclark)

	* Version 1.05 released.

Tue Mar 17 16:50:45 1992  James Clark  (jjc at jclark)

	* tty/tty.c: Instead of keeping an array of glyphs and then
	sorting it, keep a ordered linked list of glyphs for each line.

	* driver/driver.h: Include stddef.h.

	* tty/tty.c (compare_glyph):
	* refer/refer.c (rcompare):
	* troff/env.c (compare_ranges): Arguments of qsort comparison
	function should be const void *.

	* troff/number.c (parse_term):
	* dvi/dvi.c (draw_dvi_printer::draw): Avoid initialization in
	switch statement.

	* refer/label.y (consider_authors): Don't access variables
	constructed under a condition outside that condition: put braces
	round for statement containing declaration; redeclare use of same
	variable later.

	* pic/pic.y (text_expr): Delete production that allows
	parenthesised text_expr.
	(expr): Allow a conditional_expr to appear in parentheses.
	(conditional_expr): Rename to any_expr.

	* mm: Install new version 1.01 from jh.

	* lib/font.c (font::get_width): Cache scaled widths.
	(font::font): Initialize widths_cache.
	(font::~font): Destroy widths_cache.
	* lib/font.h: Add font::widths_cache. Declare font_widths_cache.

Mon Mar 16 10:16:10 1992  James Clark  (jjc at jclark)

	* c++test.c, c++test.ref: New files.
	* Makefile: Check that the C++ compiler works.

	* ps/tmac.pspic (PSPIC): Do a break.

	* ps/tmac.ps: Move definition of PSPIC into...
	* ps/tmac.pspic: New file.
	(PSPIC): Draw box around picture, but make it invisible to grops.
	* ps/tmac.ps: Load tmac.pspic.
	* ps/Makefile: Install tmac.pspic.

Sun Mar 15 14:18:08 1992  James Clark  (jjc at jclark)

	* lib/font.c (scale_round): If n is negative,
	subtract .5 before truncating floating point result.

	* lib/fontfile.c: Include <errno.h>.

Tue Mar 10 14:17:03 1992  James Clark  (jjc at jclark)

	* driver/input.c (get_char): Inline. Don't update current_lineno.
	Change callers to up date current_lineno if necessary.
	Use get_char() instead of getc(current_file).

Sun Mar  8 18:05:28 1992  James Clark  (jjc at jclark)

	* ps/tmac.ps: Fix up spacing of \(mo and \(nm.

Fri Mar  6 19:38:58 1992  James Clark  (jjc at jclark)

	* tty/tty.c (tmac.tty): Define \(rg as (R).

Tue Mar  3 10:11:25 1992  James Clark  (jjc at jclark)

	* lib/lib.h: New define a_delete.
	* Use a_delete instead of delete when deleting an array of objects
	without destructors.

	* lib/lib.h: Rename adelete to ad_delete.
	* Change uses of adelete.

Mon Mar  2 12:41:05 1992  James Clark  (jjc at jclark)

	* eqn/eqn.y: Include lib.h.

	* troff/node.c (grow_font_table): Delete old_font_table.

	* mm: Install new version from jh.

Fri Feb 28 10:42:23 1992  James Clark  (jjc at jclark)

	* tbl/table.h (format_type): Make global instead of local to class
	entry_format.  Prefix enumerators with FORMAT_.
	* tbl/table.c, tbl/main.c: Corresponding changes.
	* refer/token.h (token_type): Make global.  Prefix enumerators
	with TOKEN_.
	* refer/token.[ch]: Corresponding changes.
	* Makefile: Get rid of -DNO_NESTED_TYPES configuration option.

	* troff/div.c (node::set_vertical_size): Don't name argument.

Thu Feb 27 10:29:19 1992  James Clark  (jjc at jclark)

	* Makefile: New configuration option ARRAY_DELETE_NEEDS_SIZE.
	* lib/lib.h: Define adelete accordingly.
	* pic/object.c (graphic_object::graphic_object):
	* tbl/main.c (format::~format):
	* tbl/table.c (table::~table):
	* refer/ref.c (reference::~reference, reference::merge,
	reference::insert_field, reference::delete_field): Use adelete.

	* Makefile: Change NESTED_TYPES to NO_NESTED_TYPES.
	* refer/token.h:
	* tbl/table.h: Corresponding changes.

	* common.c (common_output::dashed_arc, common_output::dotted_arc):
	Ensure total_angle is positive.

Wed Feb 26 08:49:26 1992  James Clark  (jjc at jclark)

	* refer/ref.c (reference::merge, reference::insert_field,
	reference::delete_field): Avoid delete[0].

	* refer/token.c (init_special_chars): Move calls to cmupper
	outside calls to init_two_char_letter to work around bug in gcc
	2.0.

Mon Feb 24 14:20:00 1992  James Clark  (jjc at jclark)

	* lib/new.c (operator new): Use __builtin_new for g++.

	* pic/object.c (graphic_object::~graphic_object):  Don't use
	delete [] on 0.

	* pic/object.c (output::compute_scale): Initialize max_width and
	max_height.

Sat Feb 15 09:55:20 1992  James Clark  (jjc at jclark)

	* troff/input.c (write_request): Call fflush.

	* troff/node.h (class composite_node): Move declaration to node.c
	* troff/input.c (charinfo_to_node): Rename to ...
	(charinfo_to_node_list): Return node list rather than composite
	node.
	* troff/node.c (make_composite_node): New function.
	(make_node, add_char): Call make_composite_node instead of
	charinfo_to_node.
	(class composite_node): Add a tfont * member.  Delete font_size
	member.
	(composite_node::composite_node, composite_node::copy,
	composite_node::size): Corresponding changes.
	(composite_node::tprint): Provide constant spacing, emboldening
	and track kerning as specified in tfont.
	(composite_node::width): Change width calculation accordingly.
	* troff/env.h (environment::composite): New member.
	(environment::is_composite, environment::set_composite): New
	functions.
	* troff/env.c (environment::environment): Initialize composite.
	* troff/input.c (charinfo_to_node): Call
	environment::set_composite.
	* troff/node.c (make_composite_node, make_glyph_node): Use the
	plain version of the tfont if the environment is composite.

	* troff/node.c (font_info::get_space_width): Additional argument
	giving space_size.  Handle constant space correctly. Scale by
	space_size unless constant spaced.
	(env_sentence_space_width): New function.
	* troff/node.h: Declare it.
	* troff/env.h (environment::get_space_size,
	environment::get_sentence_space_size,
	environment::get_narrow_space_width,
	environment::get_half_narrow_space_width): Make inline.
	(environment::get_space_width): Make inline.  Just call
	env_space_width.
	* troff/env.c: Delete definitions for funtions made inline.
	(environment::space_newline, environment::space): Use
	env_sentence_space_width(). Don't scale by space_size.
	* troff/node.h: Move declarations of env*space_width() functions
	into env.h.

Sat Feb  8 09:30:22 1992  James Clark  (jjc at jclark)

	* macros/tmac.s (PS): Don't try to set negative indent.

Thu Feb  6 09:00:35 1992  James Clark  (jjc at jclark)

	* pic/pic.y: Fix min function.

Tue Jan 28 07:52:29 1992  James Clark  (jjc at jclark)

	* man/mdate.sh: Clear LANGUAGE.

Sun Jan 19 13:02:41 1992  James Clark  (jjc at jclark)

	* pic/pic.y, pic/lex.c: Rename COMMAND token to COMMAND_LINE.
	* pic/lex.c: New COMMAND keyword.
	* pic/pic.y (print_args, print_arg): New rules.
	(placeless_element): Use print_args for PRINT.
	New COMMAND element.

Tue Jan  7 13:14:31 1992  James Clark  (jjc at jclark)

	* troff/input.c (terminal): Handle missing argument correctly.

	* pic/pic.y (text_expr): New rule.

	* pic/pic.y: Implement := operator.

Sun Jan  5 10:23:02 1992  James Clark  (jjc at jclark)

	* etc/grog.pl, etc/grog.sh: Distinguish old and new versions of
	mdoc.

Sat Jan  4 14:42:26 1992  James Clark  (jjc at jclark)

	* ps/devps/dingbatsrmap: Include this in the distribution.

	* macros/tmac.doc: Replace with new version from 2nd Networking
	Release. Fix loading of doc-* files.
	* macros/{doc-common,doc-ditroff,doc-nroff,doc-syms}: New files.
	* macros/tmac.doc.old: New file.  Apply fixes that had been
	applied to old tmac.doc.
	* macros/tmac.andoc: Check that we're running under groff.
	* macros/Makefile: Rework.

Fri Jan  3 13:27:51 1992  James Clark  (jjc at jclark)

	* tbl/table.h (format_type): 
	* refer/token.h (token_type):