changelog

早期freebsd实现

Mon Apr 19 09:55:57 1993  James Clark  (jjc at jclark)

	* Version 1.08 released.

	* Makefile.in (dist): Insert || true after ln -s commands that
	might fail.

	* mm: Update to mm 1.16.

	* acgroff.m4 (GROFF_CSH_HACK): New macro.
	* configure.in: Call GROFF_CSH_HACK.  Substitute for
	SH_SCRIPT_SED_CMD.
	* Makefile.in (SH_SCRIPT_SED_CMD): New variable.  Include in
	MDEFINES.
	* nroff/Makefile.sub (nroff): New target.
	(install_data): Install nroff.
	* eqn/Makefile.sub (neqn): Sed with SH_SCRIPT_SED_CMD.
	* grog/Makefile.sub (grog): Sed grog.sh with SH_SCRIPT_SED_CMD.

Sat Apr 17 08:24:28 1993  James Clark  (jjc at jclark)

	* eqn/Makefile.sub (neqn): Add chmod +x.

	* grog/Makefile.sub (grog): Remove spurious semi-colon.

Fri Apr 16 22:41:57 1993  James Clark  (jjc at jclark)

	* troff/input.cc (string_iterator::string_iterator()): Initialize
	lineno and count.

Tue Apr 13 10:22:28 1993  James Clark  (jjc at jclark)

	* troff/div.cc (macro_diversion::space,
	top_level_diversion::space): Don't set high_water_mark.
	(macro_diversion::output, top_level_diversion::output): Don't
	include post line space in high water mark.

Wed Apr  7 12:48:18 1993  James Clark  (jjc at jclark)

	* eqn/eqn.y: Don't define YYDEBUG.
	* pic/pic.y: Likewise.

Mon Apr  5 10:15:15 1993  James Clark  (jjc at jclark)

	* tmac/tmac.e ([3): Add space after comma following editors.
	Change double spaces to single spaces.
	([4): Change double spaces to single spaces.

	* grops/ps.h (USE_PS_ADOBE_2_0): New flag for broken_flags.
	* grops/ps.cc (ps_printer::~ps_printer): If the USE_PS_ADOBE_2_0
	bit is set in broken_flags, use 2.0 rather than 3.0 as the version
	after %!PS-Adobe- (for Newsprint).

	* troff/div.cc (top_level_diversion::begin_page): When
	before_first_page is 1, set page_number to 1.

Sun Apr  4 14:28:53 1993  James Clark  (jjc at jclark)

	* eqn/box.cc (box::top_level): Protect equation with \&.

Sat Apr  3 23:27:25 1993  James Clark  (jjc at jclark)

	* groff/groff.cc (possible_command::set_name): Delete old name.

	* groff/groff.cc (possible_command::~possible_command): Use
	a_delete.

	* troff/node.cc (troff_output_file::begun_page): New member.
	(troff_output_file::troff_output_file): Initialize it.
	(troff_output_file::really_begin_page): Only output V command if a
	page has been begun.

	* pic/pic.y (placeless_element): Delete argument to PRINT after
	use.

Fri Apr  2 11:31:02 1993  James Clark  (jjc at jclark)

	* Make wrapman work.
	* troff/div.h (class top_level_diversion): Replace
	first_page_begun by before_first_page (with opposite sense).
	* Change first_page_begun to before_first_page inverting sense.
	* troff/div.cc (class nl_reg): New class.
	(init_div_requests): Use class nl_reg for \n(nl.
	(top_level_diversion::begin_page): Don't call
	output_file::begin_page if before_first_page is 2;
	reset before_first_page afterwards.  If have_next_page_number is
	false, then always increment page_number.
	* tmac/tmac.an: Set traps within TH rather than at the top-level.
	Restore compatibility mode after loading, and then disable
	compatibility mode in TH.

Thu Apr  1 11:09:34 1993  James Clark  (jjc at jclark)

	* grotty/tty.cc (tty_printer::end_page): Don't discard characters
	past last line.
	* troff/node.h (output_file::trailer): Declare.
	* troff/div.cc (cleanup_and_exit): Call output_file::trailer().
	* troff/node.cc (output_file::trailer): New function.
	(troff_output_file::~troff_output_file): Move most code into...
	(troff_output_file::trailer): New function.
	(class troff_output_file): Delete page_length member. Declare
	trailer().
	(troff_output_file::really_begin_page): Use current page length
	for final V command.

	* tbl/main.cc (struct options): New decimal_point_char member.
	(options::options): Initialize this.
	(process_options): Implement decimalpoint option.
	(process_data): Pass decimal_point_char option to table::table.
	* tbl/table.h (class table): New decimal_point_char member.
	(table::table): Add additional argument.
	* tbl/table.cc (find_dot): Rename to find_decimal_point. Add
	second argument specifying decimal point character.  Use this
	instead of '.'.
	(table::table): Initialize decimal_point_char.
	(table::add_entry): Change call to find_dot.

	* troff/input.cc (get_copy, token::next): Implement \V.
	(interpolate_environment_variable): New function.

Tue Mar 30 14:41:39 1993  James Clark  (jjc at jclark)

	* pic/lex.cc (lookup_keyword): Rename MIN to K_MIN, MAX to K_MAX.
	* pic/pic.y: Likewise.

	* grotty/tty.cc (tty_printer::add_char, tty_printer::end_page):
	Add casts to int.
	* refer/ref.cc (reference::insert_field, reference::delete_field):
	Likewise.
	* troff/number.cc (parse_term): Likewise.

	* acgroff.m4 (GROFF_PROG_YACC): New macro.
	* configure.in: Use GROFF_PROG_YACC.

	* acgroff.m4 (GROFF_PROG_CCC): Don't add -O automatically for gcc
	and g++.
	* Makefile.in (OPTIMIZE): New define.
	(DEBUG): Empty by default.
	(CCFLAGS, CFLAGS): Include $(OPTIMIZE).

	* acgroff.m4 (GROFF_SYS_SIGLIST): Don't quote program.
	(GROFF_ARRAY_DELETE): Likewise.
	(GROFF_CC_COMPILE_CHECK): Quote use of $2 and $3.

	* troff/env.cc (trie::~trie): Make virtual to shut up g++.

	* devps/psstrip.sed: Use different delimiter on last line (so that
	it works with BSD 4.4 sed.)

Mon Mar 29 17:07:14 1993  James Clark  (jjc at jclark)

	* devps/psstrip.sed: Delete comments.

	* acgroff.m4 (AC_GETOPT): Don't test whether <unistd.h> declares
	optind, opterr, optarg.
	* lib.h: When UNISTD_H_DECLARES_GETOPT is defined, declare optind,
	opterr, optarg.

Sun Mar 28 17:44:25 1993  James Clark  (jjc at jclark)

	* Makefile.in (check): Dummy target.

Wed Mar  3 04:53:38 1993  James Clark  (jjc at jclark)

	* Version 1.07 released.

	* Integrate mm 1.11.

	* tbl/table.cc (alphabetic_block_entry::print): start_row was used
	where start_col was meant.

Thu Feb 25 07:55:36 1993  James Clark  (jjc at jclark)

	* grog/grog.sh, grog/grog.pl: Recognize PH and SA as -mm macros.

Wed Feb 24 10:15:34 1993  James Clark  (jjc at jclark)

	* troff/input.cc (token::next): Make \z\o'...' and similar things
	work.

	* env.h (MARGIN_CHARACTER_ON, MARGIN_CHARACTER_NEXT): New
	constants.
	(environment): Add margin_character_flags member.
	* env.cc (environment::environment(symbol),
	environment::environment(const environment *): Initialize
	margin_character_flags.
	(margin_character): Rewrite.
	(environment::output_line): Add a margin character if
	margin_character_flags is non-zero.  Turn off the
	MARGIN_CHARACTER_NEXT bit.  If that makes margin_character_flags
	zero, use margin_character_node without copying and then set
	margin_character_node to 0.

	* devps/DESC.in: Change minimum size to 1000.

Tue Feb 23 14:57:49 1993  James Clark  (jjc at jclark)

	* troff/symbol.h (symbol::hash): Change return type to unsigned
	long.
	* troff/dictionary.cc (dictionary::lookup, dictionary::remove):
	Add casts to int.

	* test-groff: Use -r rather than -x.

	* grops/psfig.diff: Include in distribution again.

Mon Feb 22 09:10:44 1993  James Clark  (jjc at jclark)

	* Makefile.in (dist): Use gzip.

Sun Feb 21 11:12:53 1993  James Clark  (jjc at jclark)

	* acgroff.m4 (GROFF_GETOPT): Check for declaration of getopt() in
	unistd.h as well as in stdlib.h.
	* include/lib.h: Include <stdlib.h> is STDLIB_H_DECLARES_GETOPT is
	defined; otherwise include <sys/types.h> and <unistd.h> if
	UNISTD_H_DECLARES_GETOPT is defined.

	* configure.in: use builtin(include, ... rather than include(...
	* configure: Regenerate with autoconf 1.3.

	* libdriver/print.cc (printer::adjust_arc_center): Use new
	algorithm suggested by Andy Fyfe.

	* libdriver/printer.cc (printer::adjust_arc_center): New function.
	* include/printer.h: Declare this.
	* grops/ps.cc (ps_printer::draw): Use it.
	* grodvi/dvi.cc (dvi_printer::draw): Use it.

Fri Feb 19 23:13:51 1993  James Clark  (jjc at jclark)

	* Makefile.comm (.man.n): Replace macrodir by tmacdir.

Thu Feb 11 16:46:59 1993  James Clark  (jjc at jclark)

	* eqn/main.cc (main): Handle "eqn -".

Mon Jan  4 20:29:56 1993  James Clark  (jjc at jclark)

	* tmac/tmac.e (++): Install fix from comp.bugs.4sd.

	* mm: Integrate version 1.08.

	* pic/troff.cc (troff_output::finish_picture): Set
	EQN_NO_EXTRA_SPACE reg to 0 rather than removing it.
	* eqn/box.cc (box::extra_space): Set EQN_NO_EXTRA_SPACE_REG to 0
	if it's not defined. Check whether the register is non-zero rather
	than whether it's not defined.
	* tmac.e ({, <): Make argument to \x zero if \n(0x is non-zero.

	* indxbib/indxbib.cc: Move all signal handling into...
	* indxbib/signal.c: New file.
	* configure.in: Call AC_RETSIGTYPE.

	* acgroff.m4 (GROFF_STRUCT_EXCEPTION): New macro.
	* configure.in: Call GROFF_STRUCT_EXCEPTION.
	* libgroff/matherr.c: Protect with ifdef HAVE_STRUCT_EXCEPTION.

	* troff/input.cc (token::token, token::operator=): Work round SGI
	C++ bug.
	* pic/object.cc (position::position): Likewise.

Mon Dec 28 21:50:21 1992  James Clark  (jjc at jclark)

	* pic/pic.h: Move declaration of hypot().

Wed Dec 16 12:28:29 1992  James Clark  (jjc at jclark)

	* pic/pic.h: Declare hypot().

	* pic/pic.h: Define M_PI if necessary.

Thu Dec 10 12:03:29 1992  James Clark  (jjc at jclark)

	* tmac/tmac.e (re): Add alternative version that doesn't use groff
	`.ta T' feature.

	* devps/prologue.ps (RE): Handle the possibility that the old font
	doesn't have a FontName entry.

Wed Dec  2 10:25:29 1992  James Clark  (jjc at jclark)

	* tmac/tmac.e (fam): Redefine to set family in environment 2.
	(@C): Use @fam not fam.

Thu Nov 26 16:01:25 1992  James Clark  (jjc at jclark)

	* lookbib/lookbib.cc (main): Change type of start to const char *.
	* lkbib/lkbib.cc (main): Likewise.

	* eqn/lex.cc (definition::definition): Don't use member
	initializer syntax for members of anonymous unions.

	* troff/input.cc (input_stack::backtrace): Change type of to const
	char *.

Wed Nov 25 13:43:09 1992  James Clark  (jjc at jclark)

	* include/stringclass.h (class string): Declare inline friend
	functions as inline in class declaration.
	* troff/hvunits.h (class hunits, class vunits): Likewise.
	* include/refid.h (class reference_id): Likewise
	* troff/troff.h (points_to_units(units), scale(units, double)):
	Delete declarations.
	* libdriver/input.cc (get_char): Delete declaration.
	* include/lib.h: Change 2nd argument of getopt from const char **
	to char **.
	* troff/symbol.cc (symbol::symbol): Cast `new char *[n]' to `const
	char **' before assigning to a `const char **'.
	* tbl/table.cc: Delete extra declarations of prints().

Tue Nov 24 14:33:13 1992  James Clark  (jjc at jclark)

	* libgroff/font.cc (font::load_desc): Cast `new char *[n]' to `const
	char **' before assigning to a `const char **'.

	* libgroff/errarg.cc (errarg::errarg): Don't use member
	initializer syntax for members of anonymous unions.

Sat Nov 21 05:02:23 1992  James Clark  (jjc at jclark)

	* mm: Integrate version 1.07.

Tue Nov 17 16:44:27 1992  James Clark  (jjc at jclark)

	* troff/input.c (translate2): Rename to
	(translate_no_transparent).
	(init_input_requests): Rename tr2 to trnt.

Mon Nov 16 09:49:32 1992  James Clark  (jjc at jclark)

	* troff/charinfo.h (class charinfo): Add transparent_translate field.
	(charinfo::set_translation, charinfo::set_special_translation):
	Add second argument that specifies value for
	transparent_translate.
	(charinfo::get_translation, charinfo::get_special_translation):
	Add optional second argument that specifies whether translation is
	being used for transparent throughput.
	* troff/input.cc (charinfo::set_translation,
	charinfo::set_special_translation): Handle second argument.
	(charinfo::charinfo): Initialize transparent_translate.
	(translate): Split main part off into
	(do_translate): New function.  Pass argument saying whether
	translation applies to transparent throughput.
	(translate2): New request.
	(init_input_requests): Bind translate2 to `tr2'.

Wed Nov 11 11:43:20 1992  James Clark  (jjc at jclark)

	* tbl/table.h (class table): Add `nokeep' flag.
	* tbl/main.cc (process_options): Handle `nokeep' option.
	* tbl/table.cc (table::init_output, table::do_row, table::do_top,
	table::do_bottom): Don't output keep/release macro definitions or
	calls when `nokeep' option has been specified.

Sat Nov  7 01:28:33 1992  James Clark  (jjc at jclark)

	* tmac/tmac.Xps (Xps-char): Use " as delimiter for \Z.

Wed Nov  4 16:29:04 1992  James Clark  (jjc at jclark)

	* tbl/table.cc (table_entry::divert, block_entry::do_divert,
	block_entry::divert, alphabetic_block_entry::divert): Add extra
	argument giving column separation.
	(table::compute_widths): Pass column separation to
	table_entry::divert().
	(block_entry::do_divert): If an entry spans multiple columns and a
	minimumum width has been specified for each column, then set the
	line length to the sum of the widths (plus possibly the column
	separations).

	* troff/input.cc (set_escape_char): Don't set the escape_char
	until after calling has_arg().

Tue Nov  3 11:23:27 1992  James Clark  (jjc at jclark)

	* tbl/table.cc (table::do_top): Add missing \s0 for double box
	case.

	* tbl/table.cc (table::print_double_hline): Avoid extra new line
	in case where r > nrows - 1.

	* tbl/table.cc (BODY_HEIGHT): Deleted.
	(LINE_SEP): New definition.
	(table::print_single_hline, table::print_double_hline,