changelog

早期freebsd实现

	* macros/tmac.latin1: New file.
	* macros/tmac.tty-char: Use tmac.latin1.
	(tmac.tty-tr): Deleted.
	* macros/Makefile: Install tmac.latin1.
	* macros/tmac.dvi: Use tmac.latin1.
	* macros/troffrc: Translate \[char160] onto no-break space here.
	* macros/{tmac.dvi,tmac.ps,tmac.tty,tmac.X75}: Don't do it here.

Mon Jul  6 11:06:52 1992  James Clark  (jjc at jclark)

	* macros/tmac.Xps: Use `do' request.

	* macros/tmac.ps: Use `do' request.

	* macros/tmac.e (@C): Use `do' request.

	* macros/tmac.X, macros/tmac.Xps: Moved from xditview.
	* macros/Makefile: Install tmac.X*.

	* tty/tmac.tty, tty/tmac.tty-char: Move to macros.
	* tty/Makefile: Don't install tmac.tty*.
	* macros/Makefile: Install tmac.tty*.

	* dvi/tmac.dvi: Move to macros.
	* dvi/Makefile: Don't install tmac.dvi.
	* macros/Makefile: Install tmac.dvi.

	* ps/tmac.ps*: Move to macros.
	* ps/Makefile: Don't install tmac.ps*.
	* macros/Makefile: Install tmac.ps*.

	* eqn/box.c: Provide draw_lines parameter corresponding to -D
	option.
	* macros/eqnrc: Set draw_lines parameter based on device.
	* groff.c: Don't pass -D flag to eqn.
	* groff.sh: Likewise.
	* eqn/main.c: Warn about use of -D.

	* troff/input.c (process_startup_file): New function.
	(main): Call process_startup_file().
	* macros/troffrc: New file.
	* macros/Makefile: Install troffrc.
	* groff.c (main): Don't pass extra -m option to troff. For a 
	pseudo device pass the name of the pseudo device to troff using
	-d.
	* groff.sh: Likewise.
	* groff.c (possible_command::prepend_arg): Deleted.

	* troff/input.c (do_request): New function.
	(init_input_requests): Bind "do" to do_request.

	* eqn/main.c (main): Instead of loading eqnchar from device directory,
	load eqnrc from macro directory.
	* macros/eqnrc: New file.
	* macros/Makefile: Install eqnrc.
	* ps/devps/eqnchar: Deleted.
	* ps/devps/Makefile: Don't install eqnchar.
	* dvi/devdvi/eqnchar: Deleted.
	* dvi/devdvi/Makefile: Don't install eqnchar.
	* groff.c (main): Pass -M to eqn. Don't pass -F to eqn. New
	variable optM.

	* lib/device.[ch]: New files.
	* lib/font.h (font::set_device_name, font::get_device_name):
	Deleted.
	* lib/fontfile.c: Use device.h.
	* lib/Makefile: Handle device.[ch]. Make paths.h define DEVICE.
	* troff/input.c: Delete definition of `device'.
	(main): Don't initialize device.
	* troff/troff.h: Include device.h rather than declaring device.
	* troff/Makefile: No need to handle DEVICE.
	* driver/input.c: Include device.h. Don't use
	font::{set,get}_device_name.
	* groff.c, Makefile: Rename device.h to config.h.
	* groff.c: Use library device variable.
	* eqn/main.c: Use library device variable.
	* eqn/Makefile: No need to handle DEVICE.

	* lib/searchpath.[ch]: New files.
	* lib/Makefile: Handle searchpath.[ch].
	* troff/input.c (open_file, init_dirs): Deleted.
	(macro_dirs): Deleted.
	(open_mac_file, macro_source): Use class search_path.
	(add_string, struct string_list): Move definition.
	(main): Change -M option to use macro_path. Delete call to
	init_dirs().
	* lib/fontfile.c (font::command_line_font_dir, font::open_file):
	Rewrite to use class search_path.
	* lib/font.h, lib/fontfile.c (font::cl_font_dirs): Deleted.
	* lib/Makefile: fontfile.c depends on searchpath.h.
	* lib/Makefile: Rename fontpath.h to paths.h. Make paths.h define
	MACROPATH.
	* lib/macropath.[ch]: New files.
	* troff/Makefile: No need to handle MACROPATH.

	* troff/input.c: Delete DUMP code.
	* lib/fontfile.c, lib/font.h: Delete
	font::forget_command_line_font_dirs.

	* troff/input.c (push_token): New function.
	(handle_first_page_transition): Use push_token().
	(process_input_stack): Change handling of a space at the beginning
	of the line.

Sun Jul  5 17:11:09 1992  James Clark  (jjc at jclark)

	* troff/input.c (font_dirs): Delete unused variable.

	* eqn/lex.c (do_set): Correct error messages.

Sat Jul  4 10:20:55 1992  James Clark  (jjc at jclark)

	* troff/input.c (do_define_string): Allow the string name to be
	followed immediately by a tab.
	(define_character): Likewise.

Thu Jul  2 10:59:15 1992  James Clark  (jjc at jclark)

	* ps/ps.c (ps_printer::draw): When drawing an arc, don't allow k to
	be negative.

	* troff/input.c (input_iterator::is_file): New virtual function.
	(file_iterator::is_file): New function.
	(input_stack::end_file): New function.
	(input_stack::next_file): Handle the situation where there is no
	file on the input stack correctly.  Avoid making two passes over
	the input stack.
	(next_file): Make the filename optional; in this case call
	input_stack::end_file().

Wed Jul  1 10:17:25 1992  James Clark  (jjc at jclark)

	* dvi/tmac.dvi: Change the definitions of \(ul and _ so that they
	produce a real _ charater when the current font is CW and _
	otherwise.

	* lib/errarg.c (errarg::errarg(const char *)): Invert conditional
	expression to work around gcc 2.2 bug.

Wed Jun 24 08:12:24 1992  James Clark  (jjc at jclark)

	* eqn/main.c (main): Don't give an error if we can't find eqnchar.

	* troff/env.c (environment::add_padding): New function.
	(environment::add_char): Use add_padding().
	(environment::space): Likewise.
	(environment::wrap_up_field): Add some padding if there is none
	and there's no current tab.
	* troff/env.h: Declare environment::add_padding.

Mon Jun 22 08:37:45 1992  James Clark  (jjc@jclark)

	* pic/pic.y: undef fmod and rand before declaring them.

Sun Jun 14 11:40:18 1992  James Clark  (jjc@jclark)

	* troff/input.c (main): If the DESC file specifies a font name of
	0, then leave the corresponding font position empty.

	* nroff.sh: New file.
	* Makefile (install.nobin): Install nroff.sh.

	* tty/devlatin1/R.proto: Add ao as synonym for de.
	* tty/tmac.tty-char: Define ao as o.

	* tty/dev{ascii,latin1}/R.proto: Add aq.
	* tty/tmac.tty-char: Delete definition of aq.

Mon Jun  8 11:43:20 1992  James Clark  (jjc@jclark)

	* troff/input.c (init_charset_table): Don't translate 0240.
	* ps/tmac.ps: Translate char160 to space.
	* dvi/tmac.dvi: Likewise.
	* tty/tmac.tty: Likewise.

Sun Jun  7 10:52:35 1992  James Clark  (jjc@jclark)

	* dvi/tmac.dvi: Add support for all Latin-1 characters.

	* macros/tmac.s: Delete definitions of \(rg, \(ah, \(ad, \(a-,
	\(ao, \(ac, \(ho, \(-D, \(Sd, \(TP, \(Tp, \(ss, \(AE, \(ae, \(OE,
	\(oe, \(r?, \(r!.

	* tty/tmac.tty-char: Add \(ah.

	* dvi/tmac.dvi: Add definitions of Tp, TP, Sd, -D, ho.
	No need to define \(FM and \(!/. Conditionalize all character
	definitions.

	* ps/devps/lgreekmap: Add +h, +f, +p.

	* ps/tmac.psnew: New file.
	* ps/Makefile: Install tmac.psnew.

	* troff/input.c (charinfo_to_node_list): Don't ever interpret
	character definitions in compatible mode.

	* troff/input.c (remove_character): New function.
	(init_input_requests): Bind remove_character to "rchar".

	* ps/tmac.psold: New file.
	* ps/Makefile: Install tmac.psold.
	* ps/tmac.ps: Load tmac.psold. Move definitions of ISO Latin-1
	characters into tmac.psold.  Make these definitions unconditional.

	* tty/tmac.tty-char: Define \n(_C only if it is not already defined.

	* ps/tmac.ps: Don't define \('c and \('C.

	* ps/devps/textmap: Move Greek characters to...
	* ps/devps/symbolchars:

Sat Jun  6 16:41:17 1992  James Clark  (jjc@jclark)

	* ps/devps/text.enc: Add quotesingle.
	* ps/devps/textmap: Add +h, +f, +p, Fn, Bq, bq, aq, lz.
	* tty/tmac.tty-char: Likewise.
	* dvi/devdvi/texmi.map: Add +h, +f, +p.
	* dvi/devdvi/texi.map: Add Fn.
	* dvi/devdvi/msam.map: Add lz.
	* dvi/tmac.dvi: Handle Bq, bq, aq.

	* pic/lex.c (get_token): Recognize 'th.
	* pic/map.y: Allow `expr'th in contexts where ORDINAL was allowed.

Fri Jun  5 11:20:46 1992  James Clark  (jjc@jclark)

	* ps/devps/textmap: Move di, mu, +- to...
	* ps/devps/symbolchars:

	* macros/tmac.s (@XS): Don't call par@reset or fi.
	(XA): Call LP. Turn off adjustment. Reduce line length.

	* macros/tmac.s: Initially alias XS to LP.
	(XS): Rename to @XS.
	(cov*ab-init): Alias XS to @XS.

Thu Jun  4 09:12:05 1992  James Clark  (jjc@jclark)

	* troff/token.h: Delete TOKEN_CHAR_HEIGHT, TOKEN_CHAR_SLANT,
	TOKEN_FONT_NAME, TOKEN_FONT_POSITION, TOKEN_SIZE tokens.
	(token::is_size, token::changes_env): Deleted.
	* troff/number.c (parse_term): No need to process \s explicitly.
	Call tok.next() only after scale indicator has been processed.
	* troff/input.c (do_overstrike, do_bracket): No need to process \s,
	\f etc explicitly.
	(token::next): Handle \s, \f, \S, \H immediately rather than
	returning them as tokens.
	(token::operator==, token::description, token::add_to_node_list,
	token::process): Remove handling of deleted tokens.

	* troff/env.c (environment::add_char): When adding padding
	indicator character, call start_line() if necessary.

Wed Jun  3 09:55:50 1992  James Clark  (jjc@jclark)

	* ps/devps/afmtodit: Don't output 0 kerns.

	* ps/devps/afmtodit: Remove directory from name of encoding in
	font description file.

	* ps/devps/afmtodit: Improve error messages.

	* ps/devps/afmtodit: Allow DESC file to be specified with -d.

	* ps/devps/Makefile: Incorporate FontMakefile. Rework.
	* ps/devps/FontMakefile: Deleted.
	* ps/devps/afmname: New file.

	* ps/devps/symbol.sed: New file.
	* ps/devps/symbol.diff: Deleted.
	* ps/devps/FontMakefile: Generate symbol.afm using symbol.sed.
	Generate zapfdr.afm from zapfd.afm.

	* tty/tmac.tty (tty-char): Prefix definition with ".

	* macros/tmac.an (TP): Don't start a diversion if one has already
	been started.

	* tty/tmac.tty-char: Add Latin-1 characters.

	* tty/tmac.tty-char: Incorporate suggestions from Paul Eggert.

Tue Jun  2 00:54:34 1992  James Clark  (jjc@jclark)

	* tbl/table.c (table::allocate): Delete old_vline, old_entry.
	Move declaration of struct horizontal_span.

	* tbl/table.c (table::table): Initialize span_list.
	(table::~table): Delete span_list.

	* lib/ptable.h (PTABLE(T)::~PTABLE(T)): Delete v.

	* ps/devps/Makefile: Avoid dependency on GNU make.

	* ps/tmac.ps: Check that character does not already exist before
	defining it.

	* tty/tmac.tty: Add definitions of \(ff, \(!=, \(==, \(~=, \(sq,
	\(OE, \(oe, \(AE, \(ae, \(lh, \(rh. Delete definitions of \(en,
	\(ru, \(ul, \(br, \(bv, \(sl which are in the font description
	files.

	* tty/tmac.tty-char: New file.
	* tty/Makefile: Install tmac.tty-char.
	* tty/tmac.tty: Move definitions of \(ua, \(da, \(uA, \(dA into
	tmac.tty-char.

	* tty/tmac.tty: Fix definition of \(34.

	* tty/dev{ascii,latin1}/R.proto: Add ha and ti. Map
	bracket-drawing characters onto |. Add *o.

	* troff/env.c (environment::wrap_up_tab): Increment field_spaces
	only if current_field.

	* troff/dictionary.c (dictionary::lookup): Free old_table after
	rehashing. 

Mon Jun  1 10:15:22 1992  James Clark  (jjc@jclark)

	* tty/dev{ascii,latin1}/R.proto: Add uppercase Greek characters
	whose glyphs are identical to glyphs of some Roman character.

	* tty/devlatin1/R.proto (bu): Deleted.
	* tty/devascii/R.proto (bu): Deleted.
	* tty/tmac.tty: Add definition of \(bu.

	* eqn/main.c (do_file): Pass FILE as argument.
	(main): Automatically load eqnchar.  New options -F and -n.
	Pass do_file an opened FILE.
	* groff.c: Don't pass eqnchar to eqn. Pass -F options onto eqn.
	No need to include font.h.
	* groff.sh: Likewise.  Don't need to use - for standard input.
	Prefix files with -- if first file starts with -.

	* macros/tmac.e: Conditionalize use of \$* on \n(.g.

	* troff/env.c (environment::possibly_break_line): Don't set line
	to 0 across call to output_line().  Don't call output_line() until
	after discarding nodes after break.

Sun May 31 10:45:29 1992  James Clark  (jjc@jclark)

	* request.h (macro::empty): Declare it.
	* input.c (macro::empty): New method.
	(interpolate_macro):  Don't give a WARN_SPACE if the two-character
	macro is empty.

Sat May 30 10:27:15 1992  James Clark  (jjc@jclark)

	* troff/env.c (environment::start_field): Decrement space_total
	when a space is frozen.

Fri May 22 14:34:38 1992  James Clark  (jjc@jclark)

	* macros/tmac.an (R): Delete macro.

	* troff/input.c (get_copy, token::next): Support \# (like \" but
	newline is ignored).

	* troff/input.c (token::next): Fix error message in 'Y' case.

Thu May 21 09:26:24 1992  James Clark  (jjc@jclark)

	* eqn/delim.c (define_extensible_string): Recognize any prefix of
	a delimiter name.

Fri May 15 10:20:41 1992  James Clark  (jjc at jclark)

	* c++test.c: Include <osfcn.h>.

	* lib/strtol.c, lib/getcwd.c, ps/psbb.c: Declare errno in case
	<errno.h> doesn't.

Fri May  8 09:37:19 1992  James Clark  (jjc at jclark)

	* tbl/table.c (table::divide_span): Don't count column separation
	if expand was specified.

	* tbl/main.c (process_format): Don't ignore width specs in
	continued format.  Give warning for changing equal widths or
	column separation in continued format.
	(process_data): Set column separation, minimum width, equal