From owner-svn-src-vendor@freebsd.org Thu Oct 6 21:30:11 2016 Return-Path: Delivered-To: svn-src-vendor@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 73C2EBECE65; Thu, 6 Oct 2016 21:30:11 +0000 (UTC) (envelope-from bapt@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 2401F16D3; Thu, 6 Oct 2016 21:30:11 +0000 (UTC) (envelope-from bapt@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id u96LUA5t081332; Thu, 6 Oct 2016 21:30:10 GMT (envelope-from bapt@FreeBSD.org) Received: (from bapt@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id u96LUAoJ081329; Thu, 6 Oct 2016 21:30:10 GMT (envelope-from bapt@FreeBSD.org) Message-Id: <201610062130.u96LUAoJ081329@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: bapt set sender to bapt@FreeBSD.org using -f From: Baptiste Daroussin Date: Thu, 6 Oct 2016 21:30:10 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-vendor@freebsd.org Subject: svn commit: r306788 - in vendor/heirloom-doctools: . dist dist/LICENSE.d dist/checknr dist/col dist/doc dist/doc/fonts dist/doc/just dist/doc/quickstart dist/doc/troff dist/eqn dist/eqn/checkeq.d d... X-SVN-Group: vendor MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-vendor@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: SVN commit messages for the vendor work area tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 06 Oct 2016 21:30:11 -0000 Author: bapt Date: Thu Oct 6 21:30:09 2016 New Revision: 306788 URL: https://svnweb.freebsd.org/changeset/base/306788 Log: Import heirloom doctools snapshot from git as of 161006 Added: vendor/heirloom-doctools/ vendor/heirloom-doctools/dist/ vendor/heirloom-doctools/dist/CHANGES vendor/heirloom-doctools/dist/CHANGES_GR vendor/heirloom-doctools/dist/LICENSE vendor/heirloom-doctools/dist/LICENSE.d/ vendor/heirloom-doctools/dist/LICENSE.d/BERKELEY.LICENSE vendor/heirloom-doctools/dist/LICENSE.d/CALDERA.LICENSE vendor/heirloom-doctools/dist/LICENSE.d/COPYING.LGPL 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vendor/heirloom-doctools/dist/vgrind/regexp.c (contents, props changed) vendor/heirloom-doctools/dist/vgrind/retest.c (contents, props changed) vendor/heirloom-doctools/dist/vgrind/version.c (contents, props changed) vendor/heirloom-doctools/dist/vgrind/vfontedpr.c (contents, props changed) vendor/heirloom-doctools/dist/vgrind/vgrind.1 (contents, props changed) vendor/heirloom-doctools/dist/vgrind/vgrind.sh (contents, props changed) vendor/heirloom-doctools/dist/vgrind/vgrindefs.c (contents, props changed) vendor/heirloom-doctools/dist/vgrind/vgrindefs.src Added: vendor/heirloom-doctools/dist/CHANGES ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ vendor/heirloom-doctools/dist/CHANGES Thu Oct 6 21:30:09 2016 (r306788) @@ -0,0 +1,353 @@ +2016-09-07 + Escapes \A and \T had unnecessary restrictions regarding the + allowed character set. This let to problems when e.g. gen- + erating man pages with TOC using -dToc. 8-bit characters are + allowed now. + +2016-08-20 + dpost generates valid PostScript when using fonts + with spaces in the glyph names. + (Marcin Cieślak (@FreeBSD)) + +2016-04-27 + -mdoc: Table of contents with hyperlinks and PDF bookmarks + added. + +2016-03-28 + -man: Table of contents with hyperlinks and PDF bookmarks ad- + ded. + +2016-03-15 + eqn bug fixed which had caused crash for DWB neqn test (has + same code). + +2016-03-08 + grap bug fixed which had cause a double free(3) crash. + +Release 160308 +============== + +2016-03-08 + refer: Bug introduced in commit + 89b1284c1de8071f3d7bb3a308cb080b8e2f311b fixed. (Reported by + Anthony J. Bentley (@OpenBSD)) + +Release 160217 +============== + +2016-02-17 + tbl: Invalid memory access bug fixed. (When testing if a + line starts with '_' or '=' it did not check if the string is + empty.) + +2016-02-16 + .tr bugfix: When the first character given to .tr was un- + known, all character translations had been done wrong. + +2016-02-11 + tbl troff bug fixed: Height of table had been calculated + wrong. This could lead to graphics artifacts if a table is + at page bottom. + +2016-02-10 + Many changes to -man and -mdoc. Heirloom's manual page for- + matting is now quite compatible to groff. + +2016-02-08 + Operator 'v' added for ".if". (Some manpages using this.) + +2016-02-02 + -ms: Macros .QS and .QE added. + +2016-01-29 + Support for groff's notation \[uXXXX] added. + +2016-01-26 + nroff: Use of new names for .char now possible. (Up to now + only names found in the tab file could be used.) + +2016-01-01 + Spaces are now allowed in filenames of .cf, .fp, .lf, .nx, + and .so requests. The documentation stated that %20 could be + used to escape spaces. However this was not implemented. + The implementation has now been changed to allow spaces by + quoting the filename with '"'. Additionally character codes + up to 255 are allowed now in filenames. (Bug reported by + Jacob Parker (https://github.com/jacobp100).) + +2015-12-23 + groff's operator ".if F " added. + +2015-12-18 + Support for groff's notation \[char] added. + +2015-12-10 + File system case-sensitivity issue fixed. (Reported by Henry + McGilton.) + +2015-10-28 + Set previous font to current font in case of unknown font. + This is the groff behaviour. E.g. \fIfoo\fP \f(CWbar\fP blah + did underline "blah" in AT&T nroff. + +2015-09-23 + \n[.ns] implemented (had only been documented up to now). + +2015-09-21 + Basic HTML support added. + +2015-09-18 + Escape \I added (test if argument is a valid identifier). \I + is equivalent to groff's \A. + +2015-07-14 + PDFMark: \X'SetBorderStyle' added. + +2015-07-08 + Special groff compatibility mode for manual pages added which + is enabled when register .g is set to 1. + +2015-06-24 + .box bug fixed: .box did discard part of roff's state. + +2015-06-22 + mm(7): .PGFORM added to allow line length change inside docu- + ment. + +2015-06-10 + .ie-.el bug fixed. Up to now .ie-.el did not work fully re- + liable in AT&T roff. (Found during -mdoc debugging.) + +2015-06-08 + mdoc: Macro Lb with library definitions for FreeBSD and + NetBSD added. + +2015-06-05 + nroff -T37 (default), -Tlp and -Tlocale: Display of pic(7) + drawings implemented. + +2015-06-04 + troff -Tpost: All font description files now uppercase (for + use on case-insensitive file systems) and use of groff font + names instead of traditional names now possible with .ft and + \f. + +2015-05-26 + Bugfix: nroff: Local motions had not been local (did stay in + effect across line boundary). + + nroff: Request \D'l ...' added. + +2015-05-02 + mdoc(7): .El: List type stack bug fixed. + +Release 150406 +============== + +2015-04-02 + Renamed otfdump(1) into otf_info(1) to avoid conflicts with + other tools with the same name. + +2015-03-27 + man, mdoc: Special characters for troff updated. + + Bugfix: pic: C precedence error found by clang. + +2015-03-26 + tbl: Key letter 'x' added (a GNU tbl extension). + +2015-03-22 + mdoc macros updated for troff output. + +2015-03-20 + Workaround to handle some .char problems added. The .char + implementation needs to be changed eventually. Currently the + translation takes place in the input stage but it has to be + in the output stage. + + man macros (nroff mode): + - Allow nine instead of six arguments + - Document formated as one large page + - mandoc(1) output layout (indent, left adjust, line length + etc.) adapted + - Workaround for pod2man(1) bug (causes empty first page) ad- + ded + + Minor mdoc macro changes (indent and some special charac- + ters). + +2015-03-19 + \\ can now be used in fields and tables to output a \ but it + is anyway recommended to use \(rs or at least \e instead. + (Traditionally AT&T roff did reduce \\ to \ in fields and + tables so \\\\ had been need to be input for printing one \.) + + Bugfix: roff: Don't recognize . (dot) as a number. Now a + path string like "./." is recognized as "not a number" in- + stead of "division by zero". + +2015-03-18 + Bugfix: roff: Prevent NULL pointer access when using .tr + with characters redefined by .char. + + Bugfix: tbl: Prevent uninitialized pointer access. + +2015-03-13 + Bugfix: Using basic control character (normally ".") or no- + break control charatcer (normally "'") as first argument to + .char made roff unuseable. + +2015-03-02 + tbl: Option -Tlp configures output of table lines with ASCII + characters -, =, |, and + (similar to GNU nroff -Tascii). + Option -Tlocale in a non-UTF-8 locale now behaves as -Tlp. + + Bugfix: tbl with option -TX: Double lines had not been + displayed correctly. + +2015-02-27 + tbl: Option -Tlocale added which (in an UTF-8 locale) en- + ables output of table lines with Unicode glyphs. + +2015-02-26 + Bugfix: The zero width flag (set e.g. by \z or \L) did not + work for Unicode characters. As a consequence e.g. \L could + not be used width \U'2551' to draw a double vertical line. + +2015-02-18 + Bugfix: When there were several .ft requests to not mounted + fonts in short succession the output was wrong. + +2015-02-12 + Read-only register .S added for DWB compatibility. + +2014-12-23 + mdoc: Footer had not been displayed if page length was + reached. + +Release 141217 +============== + +2014-12-16 + mdoc updated for processing up-to-date manpages. Still much + work needs to be done on mdoc. + + nroff: Special character names of arbitrary length are now + possible. + + nroff: Many special characters to -Tlp and -Tlocale (UTF-8) + added. + +2014-12-15 + nroff: Compiled in "tab.lp" and "tab.utf8" removed. The + "nterm" directory is now required for nroff (at least with + file "tab.lp" or "tab.utf8"). + +2014-12-13 + Macro 'lsm' and number registers 'lsn' and 'lss' added. + +2014-12-05 + Bugfix: .unformat: \e gets restored now. + +2014-11-06 + Distingtion between BSD and non-BSD manuals removed (Anthony + J. Bentley). + + pic, tbl, eqn: Allow whitespace between '.' and PS, PE, PF, + TS, TE, EQ, EN. + +2014-11-05 + With command line option '-rcR=1' -man manpages are displayed + as one large single page. + +Release 141029 +============== + +2014-10-29 + Documentation revised by Pierre-Jean Fichet: doc/fonts/ + changed to use free available OTF fonts. + +2014-10-27 + col(1) bugfix: Avoid to access chars before string. + + troff: fdprintf changed back to libc fprintf. + + troff: 32 bit bug in register and macro allocation fixed + (Bug reported by Anthony J. Bentley). + + nroff/troff made -Wall clean. + +2014-10-22 + OpenSolaris col(1) added. + +2014-10-06 + Drawing of filled polygon (\D'P ...'), filled circle (\D'C + ...') and filled ellipse (\D'E ...') added. + +2014-09-21 + *roff: Option -V for version information added. + +2014-09-14 + Any version of roff (e.g. UNIX V7) does count \} as a macro + argument regarding \n(.$. This makes \n(.$ rather random if + you cannot force users to put \} on a separate line *or* to + put it behind the macro call and substract 1 from \n(.$. To + make \n(.$ meaningful again this bug has been fixed now, i.e. + \} is not considered as a macro argument anymore. + +2014-09-07 + Documentation revised by Pierre-Jean Fichet: doc/just/ and + doc/quickstart/ changed to use free available OTF fonts. + +2014-09-03 + Bug reported by Pierre-Jean Fichet fixed: If character '"' + is used in a .char request it did not work in a .if request + as the string compare delimiter. + +2014-08-28 + Bug reported by Blake McBride fixed: Very old versions of + the mm macros inserted cut marks in the document for + typesetters which had used endless paper rolls. Although + they are only of historical significance they had never been + removed in the Solaris version of mm. They are now switched + of (via .rm )k). + +2014-08-23 + Bugfix by Steffen Nurpmeso: In .rm code a function return + value is unchecked used as a pointer. + +2014-08-20 + eqn(1) did not compile because of bison to BSD yacc differ- + ences. Sorry, had not tested on Linux this time... + +2014-08-18 + Experimental bugfix: When .bp is directly followed by .. and + .bp triggers a macro which calls a macro then document text + is printed at that trap position. This bug is also in other + ditroff derivatives (e.g. DWB and Plan9). It is difficult to + track the bug to it's root cause so it is an experimental fix + at the moment. + +2014-08-17 + \fP after \fS did set the font before the previous font and + not the previous one. + +2014-08-16 + Bug reported by Pierre-Jean Fichet fixed: If character "!" + is used in a .char request it did not work in a .if request + as the NOT operator. + +2014-08-14 + The eqn parser used type int for all token values--even + pointers. This may work fine on 32 bit hardware but causes + problems on 64 bit. A new data type had been introduced to + separate int tokens from pointers. + + Also a bug in the parser regarding movements (e.g. FWD) had + been fixed. + +2014-07-27 + A variable had been initilized after use. This variable + minus a literal value is used as an array index. When data + from the array is read an invalid memory segment is accessed. + This had caused crashes on at least OpenBSD. Added: vendor/heirloom-doctools/dist/CHANGES_GR ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ vendor/heirloom-doctools/dist/CHANGES_GR Thu Oct 6 21:30:09 2016 (r306788) @@ -0,0 +1,1213 @@ +Release ... +* [nt]roff: Fix the execution order of output line traps to be left-to-right, + and execute them before page traps, as documented (bug report by + Pierre-Jean Fichet). +* troff/dpost: Support for URI links in PDF documents has been added + (contributed by Michael Piotrowski). +* [nt]roff: Hyphenation patterns for Dutch have been added (contributed + by Erwin Koning). +* troff/dpost: "kern" tables in TrueType fonts were indexed wrongly, which + mostly led to missing kerning pairs but might have led to completely wrong + kerning pairs under rare circumstances (patch by Matthew Fischer). +* troff: The ".connectchar" request has been added to customize the set + of characters that are drawn as overlapping with the "\l" function. +* troff: Allow "\~" to shrink, not just to stretch (bugreport by Roy Fisher). +* troff/dpost: Embed TrueType fonts without a PostScript field correctly + (bug reported by FENG Yu Ning). +* troff/dpost: Include the last character in a TrueType "post" 2.0 table + which was previously omitted; same for the last entry of the last subtable + in the "cmap" table (patch by Matthew Fischer). +* troff/dpost: Accept "cmap" entries with Platform ID 3, Encoding ID 0 + (Symbol) as Unicode tables (patch by Matthew Fischer). +* troff/dpost: Handle TrueType fonts with format 12 cmap tables (UCS-4) + (patch by Matthew Fischer). +* troff/dpost: Handle TrueType fonts in which glyphs appear multiple times + in Unicode tables gracefully (bugreport by Matthew Fischer). +* troff/dpost: Handle TrueType files with a unitsPerEm value less than + 1000 ((bugreport by Matthew Fischer). +* troff: Do not apply font-specific character translation inside \D, + which led to wrong output e.g. with \D'l' with an OpenType font with + the small caps feature activated (bug reported by Russ Cox). +* dpost: Fixed the width of the "\(ul" character such that the lines of + wide boxed tables do not stick out at the right end anymore (bugreport + by Roy Fisher). +* troff: The "\X" and "\Y" escape sequences are no longer interpreted + in copy mode, as there is no case when this would be useful, and the + behavior now matches groff and Plan 9 troff (thanks to Russ Cox). +* dpost: Fixed a case in which invalid backslash sequences were generated + when insane sizes appeared in intermediate troff input (bug reported by + Russ Cox). +* refer: The "-p" option now works with files that are not in the + current directory (bug reported by Michael Piotrowski). +* lookbib: This version does not support the "-n" option, which was + described in the BSD-derived manual page (thanks to Michael Piotrowski). +* [nt]roff: Do not go into an infinite loop if a tab character appears in + the arguments to ".warn" (bug reported by Russ Cox). +* [nt]roff: Fixed a possible crash on 64-bit machines due to the choice + of an int for ptrdiff_t in paragraph-at-once justification (Steve Kargl), + and another one in the hyphenation code (Sean Jensen). + +Release 080407 +* [nt]roff: A type definition problem that caused an endless loop on + 64-bit systems has been fixed. +* [nt]roff: The ".warn" request now accepts full numeric expressions + instead of plain numbers only. +* -mg macros: When reading the output of "ls" to emulate ".mso", use + nofill mode to avoid artifacts from paragraph adjustment that cause + the request to fail. +* eqn: Before an equation or binary operator, print a "\|" instead of + a "\^" if the preceding character is italic. The previous behavior + resulted from a too far-reaching change in release 051107. (Bug + reported by Joerg van den Hoff.) +* eqn: Do not displace "hat" and "tilde" horizontally (bug reported by + Joerg van den Hoff). +* eqn: Fixed the types of yylex() and yypv. + +Release 070908 +* troff: The ".hw" request now works correctly for words that contain + ligatures (bug reported by Dirk-Wilhelm Peters). +* troff: Hyphenate correctly when a hyphenation point occurs inside a + ligature that follows a non-ASCII character. Previously, the word was + actually hyphenated too early in this situation (bug reported by + Dirk-Wilhelm Peters). +* troff: Clear the font width cache before mounting a Type 1, TrueType, + or OpenType font. The previous failure to do so could lead to improper + alignment of lines when a font was mounted on the same font position + that was previously used (bug reported by Dirk-Wilhelm Peters). +* [nt]roff: When converting floating point values in exponential notation + (1.234e5 etc.) to integers, apply the exponent before computing the final + position of the decimal point for better rounding behavior (bug reported + by Dirk-Wilhelm Peters). + +Release 070524 +* [nt]roff: Fixed an endless loop that occurred when ".ns" was active at + the end of a document and ".bp" was called from the page trap macro. +* dpost: When including a picture, the PostScript "save" and "restore" + operators are now executed in correct order. Previously, the state + before page initialization was restored before including a picture. + Thus, graphics attributes such as colors were reset to the state + before page initialization, and drawing (as with pic) did not work + afterwards but resulted in a PostScript error. +* [nt]roff: With paragraph-at-once adjustment, if a ".in" was encountered + before any input, its argument was ignored. This lead to zero indent in + combination with the 6h Edition manual page macros, and has been fixed. +* troff: Do not break a line at a zero-width character, as e.g. inside a + "\X'...'" or "\z'...'". +* troff: The ".flig" request can now use the \[] names for ff, ffi, and + ffl ligatures properly, i.e. ".flig R ff \[ff]" works (bug reported by + Sebastian Leusch). +* troff: Pseudo-ligatures for ff, ffi, and ffl are no longer added to fonts + that do not contain the respective base characters. This makes it possible + to use a fallback sequence like ".fallback R XX FF", where XX does not + contain ff ligatures, but FF does, and to get the ligatures from font FF + as expected (bug reported by Sebastian Leusch). +* [nt]roff: Using ".hy" or ".nh" is now effective for the last word of a + "\@{...\@}" inline environment. +* The file "grap.defines" is now installed again; it was omitted in the + previous release. +* When generating a RPM package, install all manual pages into + "/usr/share/man/5man" to avoid conflicts with manual pages of + packages supplied by the distribution default packages. + +Release 070318 +* [nt]roff: The concept of an "inline environment" has been introduced. + An inline environment contains the values of the current point size, the + current font, the current escape character, and other similar parameters. + It can be saved with "\@{" and then restored with "\@}". Unlike the "\s0" + and "\fP" escape sequences, inline environments form a stack. Thus after + executing "\fB...\@{\fR...\@{\fI...\@}...\@}", the current font is "B" + again, while it would be "I" with "\fB...\fR...\fI...\fP...\fP". Inline + environments can be used to represent constructs like "..." in + HTML, which would be translated as "\@{\fI...\@}". +* [nt]roff: A modulo zero operation (N%0) is now ignored and causes a + warning of the "range" type to be issued. It could previously lead to + a core dump because of an arithmetic exception. +* [nt]roff: In paragraph-at-once adjustment mode, ".in" and ".ll", when + invoked from traps, now have a permanent effect; such settings were + previously discarded at the end of the paragraph. What still does not + work is "'in" outside a trap with a value relative to the indent set + inside a trap. +* [nt]roff: An internal problem with paragraph-at-once line breaking mode + has been fixed; it caused a ".in" or ".ll" command to be ignored under + rare circumstances. +* [nt]roff: At the end of input in paragraph-at-once line breaking mode, + make sure that any partial paragraph is flushed before executing other + termination procedures. The previous failure to do so lead to missing + output at the end of the document if it did not fit on the current page. +* troff, dpost: OpenType and TrueType fonts with Unicode platformID cmap + tables are now supported for reading Unicode character mapping tables. + Previously, only Microsoft platformID cmap tables were supported, and + others were ignored. +* troff, dpost: Fixed a null pointer dereference that occurred when an + illegal glyph ID was encountered in the "liga" table of an OpenType + font. +* troff, dpost: Apple TrueType fonts with a "true" header magic are now + actually supported; they could previously only be read by otfdump. +* [nt]roff: ".ev \}" has now been actually fixed (Bugreport by Dirk-Wilhelm + Peters.) +* -man macros: ".P" is now recognized; it is the same as ".PP". +* -man macros: ".I \fR other-args" is not ignored anymore; same for + ".B", ".SM", and ".SB". +* Unix 6th Edition manual macro packages have been added. +* -mandoc macros: Recognize Unix 6th Edition pages. +* showfont.sh: Font file arguments with absolute path names are now + supported. + +Release 070202 +* [nt]roff: The "\J" escape sequence has been introduced to specify a + default line breaking penalty; useful to discourage line breaks within + a person's name or a formula. Relative values in the "\j" sequence now + refer to the default penalty value. +* dpost: A manual page has been added since it has now been released by + Sun under the CDDL license. +* -man macros: The ".TP" macro has been fixed not to spread the initial + string. This is particularly for use in combination with "-mpadj" since + paragraph-at-once line breaking can lead to more spreading in the first + line. +* [nt]roff: Special characters like "\}" do now terminate environment + names in arguments to the ".ev" and ".evc" requests as with other names. + Thus ".ev \}" is no longer misinterpreted as an attempt to change to an + environment named "\}". (Bugreport by Dirk-Wilhelm Peters.) +* dpost: Cast size_t arguments to long for printf (Stefan Tramm). +* The reference manual now uses the free TeX Gyre Termes fonts available + from . For this and the other + documentation texts, README files have been added to explain which + fonts are needed in order to build them. (Thanks to Werner Lemberg for + notification.) +* Several manual pages have been moved from "BSD Compatibility" to the + standard sections if they had not actually been part of the SVR4 BSD + compatibility package. + +Release 061212 +* [nt]roff: Relative numbers can be used with the ".pshape" request now; + they refer to the preceding indent and line length pair, or, for the + initial pair, to the standard indent and line lenght settings. +* [nt]roff: A warning of the "range" category is now printed when the + indent is set to a value exceeding the line length. +* troff: In ".ad p" mode, when a line break was inserted after an + existing hyphen or em dash, another hyphen was added when the previous + characters formed a kerning pair. This has been fixed. +* troff: In ".ad p" mode, when the character before the first interword + space formed a kerning pair with the space character, the line length + was incorrectly computed, and the line was prolongated by this amount. + This has been fixed. +* troff: The "\{", "\}", and "\x" escape sequences inhibited kerning in + the adjustment computation but not in the output routine, which could + lead to prolongated output lines. They now inhibit kerning completely. +* eqn: Generated equations no longer start with "\x'0'". This allows + kerning with the preceding character in an inline equation. +* nroff: The content of a "\X" function is now ignored (instead of being + printed with zero width). +* nroff: Combining UTF-8 characters are now assumed to have width zero. +* nroff: The ".rd" request has been fixed; it had not been working since + the last release. +* troff: The ".rd" request now accepts locale-dependent input characters. +* [nt]roff: Fixed an error in ".ad p" mode which could lead to core dumps + with ".ev" requests that were not properly paired. +* nroff: Hyphenation of words containing non-ASCII characters now really + works; such characters were erroneously dropped with the last release, + leading to incorrect hyphenations in some cases. +* troff: Use of the "\s+[n]", "\s-[n]", "\s+'n'", or "\s-'n'" escape + sequence forms now leaves the arithmetic unit handling in a clean + state. The previous failure to do so lead to wrong numeric results + under certain circumstances; in particular, it caused the "over" eqn + keyword to produce incorrect output. + +Release 061114 +* [nt]roff: The units "t" (printer's point), "T" (printer's pica), "D" + (Didot point) and "C" (cicero) have been introduced. +* [nt]roff: ".ad p" mode no longer employs a temporary diversion; the + lines are now written directly to the current output level, possibly + interrupted by trap processing. This makes it possible to use "'in" + and ".ll" inside a paragraph, although the line breaking decisions + may be suboptimal in this case. +* [nt]roff: The ".hypp" request now accepts a third argument specifying + a penalty for hyphenating the last word of a paragraph. +* nroff: Characters are now internally stored as 64-bit integers as + in troff. As a consequence, hyphenation of words in international + languages now works if non-ASCII characters are involved. +* [nt]roff: A memory allocation error that could occur with extensive + use of output-line traps has been fixed. +* [nt]roff: A control character written in a diversion is now correctly + interpreted when the diversion is re-read (unless in groff compatibility + mode). This fixes the ".AU" macro of "-mm". +* [nt]roff: The "\R" escape sequence works correctly again; in the last + release, it had inserted the letter "R" into the text. +* [nt]roff: Long names including a string in their name are now handled + correctly, e.g. ".nr x\*yz 1" no longer tries to set the register "x\*y" + to the value "z". +* [nt]roff: Fixed some more memory access problems that had been introduced + with support for local variables. +* [nt]roff: Fixed a non-local goto error that could lead to segmentation + faults with ".ad p" at the end of the input. +* [nt]roff: Fixed a problem in ".bp" that could lead to the page number + being reset to zero in ".ad p" mode. +* [nt]roff: A null pointer dereference in ".ad p" mode that occured when + nofill mode was activated while a partial paragraph was present has been + fixed. +* -ms: The ".IX" index macro now works in ".padj" mode. +* -me: The ".(x" and ".)x" index macros now work in ".padj" mode. +* A "-mpadj" macro set has been added. It simply executes ".do padj" + and is useful to enable paragraph-at-once adjustment from the command + line. + +Release 061106 +* [nt]roff: Support for paragraph-based justification has been added, + enabled with ".ad p". The "Justification in Heirloom Troff" document + has been expanded to cover the new features. +* [nt]roff: The ".hylen" request has been introduced to control the + minimum number of characters a word must contain in order to be subject + to hyphenation. The default is 5 independent of whether the ".hylang" + request is active (in that case, it previously had been 4). +* [nt]roff: The ".pshape" request has been introduced to control the shape + of a paragraph in ".ad p" mode. +* [nt]roff: The ".hypp" request has been introduced to control penalties + of hyphenation points in ".ad p" mode. +* [nt]roff: The ".padj" request has been added; it enables ".ad p" mode + globally in all environments. It is most useful to enable paragraph-at- + once adjustment in existing documents. +* [nt]roff: The "\j" escape sequence has been introduced to specify custom + penalties for line breaks in ".ad p" mode. +* troff: The ".char" request is now able to construct replacements for + otherwise unknown locale-specific characters. +* troff: Fixed a typo in the hyphenation code that could result in the + insertion of a large negative vertical motion in a word containing a + character above Unicode point U+0800. +* troff: Fixed "\H" and "\S" to become effective if positioned directly + after a font change (Bugreport by Dirk-Wilhelm Peters). +* [nt]roff: The ".pull" request (introduced in the previous release) has + been removed again. It is recommended that the traditional approach to + re-divert text is used instead. +* [nt]roff: Fixed an invalid memory access that had been introduced with + local strings in the last release. +* troff: Fixed a segmentation violation if a ligature in a hyphenated + word was not in the current font (Bugreport by Dirk-Wilhelm Peters). +* troff, dpost: Fixed a rounding error when reading TrueType metrics. +* dpost: Fixed a bug introduced with the previous release that caused + PostScript errors on a page following colored text unless the "-e" + option was explicitly specified. +* dpost: Now handles DSC font comments in included PostScript files and + supplies glyph data for them if specified with a troff ".fp" request. +* dpost: Fixed to compile on NetBSD again (Bugreport by Dirk-Wilhelm Peters). +* eqn: Handles fractional point sizes with "size" and "gsize" now. +* tbl: Fixed a segmentation fault with empty tables that occurred due + to the changed memory layout introduced in the last release. +* A "Quickstart Guide" document has been added. It is aimed at people + who know other variants of troff to some extent and want to explore + Heirloom troff. + +Release 061010 +* A simplistic XSLT stylesheet to convert OpenDocument text to troff input + has been added. See the comments in the file "stuff/odt2tr.xsl" for usage + instructions. +* [nt]roff: Local strings and number registers are now supported. They can + be defined using ".lds", ".lnr", and ".lnrf". A local string or register + is visible only in the instance of the macro in which is has been defined + and can then be accessed like a standard global string or register. +* [nt]roff: The ".pull" request has been introduced to print text of a given + height from a diversion and remove it afterwards. +* [nt]roff: The ".writem" request has been added to write the contents of + a string, macro, or diversion to a file stream. +* [nt]roff: The ".dwh" and ".dch" requests have been introduced to allow + multiple diversion traps in the same diversion. +* [nt]roff: The ".trin" (translate but retranslate with ".asciify") and + ".trnt" (translate but not in transparent mode) requests have been added. +* [nt]roff: The "\n[.dilev]" register contains the current diversion level. +* [nt]roff: The "\B" escape sequence (check for valid numerical expression) + is now available in regular mode too, not only in groff compatibility mode. +* troff: The second argument to the ".fkern" request now specifies a minimum + absolute amount for kerning pairs read from font metrics files. Kerning + pairs with smaller adjustments are ignored. +* tbl: Can now optionally use graphic drawing commands (troff "\D") instead + of repeated-character line drawing (troff "\l" and "\L"). The "graphics" + option enables it per table, and the "-g" command line option enables it + globally. +* tbl: The static limits on the number of table lines, columns, and heading + lines have been removed. In effect, all lines of a table are considered + when the column widths are computed, and ".T&" can occur at any line. +* tbl: The "nokeep" option causes tbl not to write a ".ne" command for a + boxed table. +* troff: The CW, CI, CB, and CX fonts no longer substitute the "fi" and "fl" + ligatures with the "devps" device. This is consistent with "devpost". +* [nt]roff: If a word starts with a motion followed by a hyphenation + indicator, such as "\h'1m'\%text" or "\|\%text", hyphenation for the + word is now suppressed, and no hyphen is generated. +* [nt]roff: When text from a diversion is output or rediverted, it is no + longer subject to character translations specified with ".tr" and ".ftr". +* [nt]roff: In groff compatibility mode, unless a string is interpolated + with explicit arguments, the arguments to the surrounding macro instance + remain visible and can be referenced by "\$" from within the string. +* [nt]roff: The ".length" and ".index" request now strip an initial """ in + their last argument to allow initial white space. +* [nt]roff: The blank line macro is not called when a diversion is reread + in nofill mode anymore. +* troff: The escape sequence "\s[0]" now resets the point size to the + previous value as "\s0" does. +* [nt]roff: Arbitrary delimiters are now allowed with "\s''" escape + sequences. +* [nt]roff: Fixed a bug that caused ".shift" without arguments to be ignored + if the last previous numerical expression was invalid. +* troff: The indent of the current line is no longer part of a PDF link + that continues from the previous line. +* [nt]roff: ".rm" and ".rr" no longer issue a warning if one of their + arguments is not a defined macro or register, respectively. +* troff: Fixed an error that sometimes caused the "x X Track" command to miss + in intermediate output. +* troff, dpost: The short font name is now part of the "x font" commands + in intermediate output for Type 1, TrueType, and OpenType fonts. +* troff: Before generating an "x X" command because of a "\X" or "\Y" escape + sequence, the current horizonal position is now emitted to intermediate + output. This makes input like "\h'1i'\X'anything'" work as expected. +* troff: Changes between environments with different ".ss" settings are now + handled correctly. +* dpost: The default encoding for the "ps" device is now "3". +* dpost: The PostScript "awidthshow" operator is now used with the "-e2" and + "-e3" encoding options, resulting in reasonable output in combination with + the ".track" request. +* dpost: With the "-e2" and "-e3" encoding options, use only word spaces as + indicated by troff for the "widthshow" PostScript operator. This usually + results in slightly larger PostScript output but is better encodable when + distilled to PDF so that PDF files become smaller. +* troff: An internal character width caching error has been fixed; it could + lead to misaligned characters when setting text in fonts containing more + than 400 characters. +* troff, dpost: Can now handle fonts with up to 65534 characters. +* eqn: Avoid to recognize delimiters inside troff escape sequences with "(" + or "[" as well as directly behind a sequence of backslash characters. +* -mm macros: Fixed a bug which caused .ML output to disappear unless in + troff -x0 mode. + +Release 060905 +* [nt]roff: The new ".brnl" request causes a break each time a newline is + encountered at the end of a text input line. Unlike nofill mode, text is + still wrapped to the line length. +* [nt]roff: The new ".brpnl" request causes a break and a spread each time + a newline is encountered at the end of a text input line (as if it were + attached a "\p"). The "\p" escape sequence changes its semantics in this + mode and causes a break without a spread. +* [nt]roff: The new ".lpfx" request allows to print a string whenever + a new output line is started. This is mainly useful to implement a + historic form of block quotation. +* [nt]roff: The predefined number registers "\n[.in]", "\n[.hy]", + "\n[.int]", "\n[.lt]", "\n[.pn]", "\n[.psr]", and "\n[.sr]" have been + added. +* [nt]roff: The semantics of the number registers "\n(.x" (remaining space + on current output line) and "\n(.y" (current actual indent) are now + documented. +* [nt]roff: The "\n[.kc]" register has been introduced; it holds the width + of a word interrupted with "\c" on output. +* [nt]roff: Control and escape characters written in a diversion are now + regular characters in groff compatibility mode. +* [nt]roff: It is not a fatal error if the file specified with ".so" is not + accessible in groff compatibility mode. +* [nt]roff: The value of the "\n(.k" register is computed differently in + groff compability mode now. +* [nt]roff: The -mg macros now provide the fonts "C" and "CR". +* [nt]roff: The -mg macros now provide an emulation of the ".mso" request. +* [nt]roff: The command line options "-ds=x" and "-ra=N" are now accepted, + thus the string or register name before "=" can consist of more than one + character. +* [nt]roff: The ".rd" request now works again; it caused a segmentation + fault since several releases. +* [nt]roff: Formatting of a ".char" object immediately before a trap is + executed no longer causes pending input text to disappear (bug reported + by Sebastian Leusch). +* troff: The escape sequence form "\s[+-]'n'" now works with fractional + point sizes. +* troff: With xflag 0, fractional parts and units are now ignored with + the ".ps" command. +* [nt]roff: With xflag 0, ".if !..." works correctly again. +* [nt]roff: When copying text to a macro, if a line appeared that was a + prefix of the terminating macro, its last character was copied twice + (e.g. "..." with the standard ".." was copied as "...."). This has been + fixed. +* -me macros: The macros now work with xflag > 0. +* [nt]roff: The distance to the next trap, and, accordingly, the "\n(.t" + register, can now be larger than the maximum allowed motion with "\h" + and "\v". This allows very long pages without a "trap botch" error, + although vertical motions on such pages may require multiple "\v" + commands. +* [nt]roff: Fixed a reallocation problem that caused segmentation faults + with some compilers. +* [nt]roff: Fixed the "-u" option not to cause a segmentation fault. +* [nt]roff: The "\n(.S" predefined number register has been removed again + since it conflicts with use of this name by "dot -Tpic". (The "\n[.tabs]" + register continues to be available with the same semantics.) +* troff: There is now a "lc_ctype" keyword in the DESC file for the sake + of legacy post-processors that do not understand "x X LC_CTYPE". +* dpost: Use the device given by "x T" in intermediate language for reading + font files only if its name starts with "ps" or if it has the "afmfonts" + keyword in its DESC file; otherwise use "devpost". +* tbl: The forms "f (X)", "w (x)", and "fX." are now accepted in column + specifications. + +Release 060813 +* [nt]roff: A new type of traps is available: output-line traps. They are + set with the new "\P" escape sequence and are invoked when the line that + contains the corresponding sequence has been output. +* [nt]roff: The ".index" request has been added to determine the position + of a string within a string or macro. +* [nt]roff: Floating-point registers have been introduced; they can be + created and modified with the ".nrf" request and are otherwise like + standard integer number registers, with which they share a common name + space. +* [nt]roff: The ".if f expr" condition has been introduced to evaluate + an expression with floating-point computation. +* [nt]roff: Exponential notation, as in "1e+10", is now supported in + numerical expressions. +* [nt]roff: Debugging requests for watching macros, strings, and number + registers have been added. +* [nt]roff: The ".errprint" request has been added to write custom strings + in the same format as internal error messages. +* [nt]roff: The ".cp" request has been added to control compatibility with + groff. +* [nt]roff: The "-mg" macro package has been added for improved support of + groff documents, preprocessors, and macro sets. +* [nt]roff: The ".while", ".break", and ".continue" requests have been + added as another method to process input repeatedly. +* [nt]roff: Space characters inside parentheses in numerical expressions + are now permissible, i.e. they are discarded and do not terminate the + expression. +* [nt]roff: The ".char", ".fchar", and ".rchar" requests have been added + to transform a single input character to multiple output characters. +* [nt]roff: The ".ecs" and ".ecr" requests have been added to save and + restore the escape character. +* [nt]roff: The ".shc" request has been added to set the soft hyphen + character. +* [nt]roff: The ".hcode" request has been added to specify character + mappings for hyphenation purposes. +* [nt]roff: The sets of sentence-ending and transparent characters are + now configurable with the ".sentchar" and ".transchar" requests. +* [nt]roff: The set of optional line break characters (normally hyphen + and em dash) is now configurable with the ".breakchar" request. +* [nt]roff: The ".nhychar" request defines a set of hyphenation- + inhibiting characters (as hyphen and em dash with traditional troff + hyphenation). +* troff: The second argument to the ".ss" request now actually sets the + size of the sentence-end space instead of just switching it on or off. +* [nt]roff: The ".unformat" and ".asciify" requests have been added to + remove the effects of adjustment, and font and point size information, + respectively, from a diversion. +* [nt]roff: The "\Z'string'" escape sequence (print string and restore + the position afterwards) has been introduced. +* [nt]roff: The ".als" request has been added to create an alias name + for a request, macro, or string. +* [nt]roff: The ".aln" request has been added to create an alias name + for a number register. +* [nt]roff: The ".rnn" request has been added to rename a number register. +* [nt]roff: The ".box" request has been added; it is like ".di" but saves + and restores a previous partially filled line. +* [nt]roff: The ".spacewidth" request has been introduced to default to + the width of the space character as obtained from the font metrics file. +* [nt]roff: The ".rj" request (right-align next input lines) has been + added. The ".rj" number register that holds the number of remaining + lines to be right-adjusted has been added. +* [nt]roff: The ".ce" number register that holds the number of remaining + lines to be centered with the ".ce" request has been added. +* troff: The "\Yx", "\Y(xx", or "\Y[xxx]" escape sequence has been added + to output the contents of the string or macro x, xx, or xxx, respectively, + as a device control function. +* [nt]roff: The "\$0" escape sequence has been added to refer to the name + of the current macro or string. +* [nt]roff: The "(c;e)" numerical expression function has been added to + evaluate "e" using "c" as default scale indicator. +* [nt]roff: The "M" (Em/100), "s" (= "u"), and "z" (= "p") scale indicators + have been added. +* [nt]roff: The ".ta T Nt Mu" syntax to set tab stops repeatedly is now + supported. +* [nt]roff: The "\n(.S" and "\n[.tabs]" registers have been added to save + and restore tab stops. +* [nt]roff: The "\n[.ev]" number register has been added as a method to + determine the name of the current environment. +* troff: The "\n[rst]" and "\n[rsb]" registers are set by the width function + to the highest and lowest extent of the bounding box of any character. + This currently only works for Type 1 and TrueType fonts. +* troff: The "\n[.cht]" and "\n[.cdp]" registers are set to the highest + and lowest extent of the bounding box of the previous character. This + currently only works for Type 1 and TrueType fonts. +* [nt]roff: In extension level 1, long string "\*[xxx]", register "\n[xxx]", + and font "\f[xxx]" names are no longer recognized unless they are on a + line beginning with the ".do" request. +* [nt]roff: The "\n[.ps]" number register, which holds the current font + size in device units, has been added. +* [nt]roff: The "\E" escape sequence has been fixed; it does not resolve + to a printable but to an effective escape character now. +* [nt]roff: The "\)" escape sequence (like "\&" but transparent for + sentence ending) has been added. +* [nt]roff: Static limits on word and line size have been eliminated. +* [nt]roff: The "\{", "\}", "\&", "\%", "\c", and "\(space)" escape + sequences terminate two-character request names now. +* [nt]roff: The ".tm" and ".write" commands now discard formatted motion + sequences. +* troff: The ".psbb" request now reads a "%%HiResBoundingBox" DSC comment + in preference to "%%BoundingBox"; the registers it assigns to are now + floating-point registers. +* troff: The ".psbb" request now properly supports the "(atend)" syntax in + PostScript DSC input files. +* nroff: The ".psbb" request has been made a no-op since nroff cannot + otherwise handle EPS documents anyway. +* [nt]roff: The "right-brace" warning category has been added. +* [nt]roff: Calls of ".vs" that result in negative numbers are now + ignored. +* [nt]roff: The width function "\w" now takes pairwise kerning into + account. +* [nt]roff: The ".return" request has been fixed not to ignore the next + line of input when followed by text on the same line. +* [nt]roff: The second argument of the ".ss" request now also applies + to sequences of space characters that follow a sentence end character. +* [nt]roff: The "\k[name]" escape sequence has been fixed to work if + "name" has not been previously been used. +* [nt]roff: The "\(dq" character has been introduced as an alternate name + for the ASCII double quote character. +* dpost: Character height and slant changes now only apply to the current + font as documented. +* tbl: When ending macros in generated code, ".00" is now used instead + of "..". This allows the use of ".ig" and similar requests within "T{" + etc. without interference. +* pic: Accept "{lower|upper} {left|right} of" as aliases for ".nw", ".sw", + ".ne", and ".se". +* pic: Continued newlines in expressions like "center \of" are + now accepted. + +Release 060716 +* troff: The ".letadj" request has been added to enable dynamic letter + spacing and letter reshaping when justifying lines. +* troff: Font and size attributes of space (and newline) characters in + input are now honored for computing widths and kerning pairs. Previously, + font and size of space characters were always that of the next printable + character; this is retained with the -x0 option. This means that e.g. in + "\f(CWabc \fRdef", the size of the space is now computed from the + constant width font instead of the roman font. +* [nt]roff, dpost, daps: The character name "\(rs" for backslash has been + introduced. +* nroff: "\[xx]" and "\C'xx'" result in the same character as "\(xx" now. +* [nt]roff: The ".nx" request now works again, it previously caused + a segmentation fault because of a null pointer dereference (bug + reported by Michael Hobgood). +* [nt]roff: With the ".hylang" request, words that consist of four + characters are now subject to hyphenation (with the traditional + hyphenation, five characters are the minimum length). +* [nt]roff: The ".hy" request accepts the additional flags 16 and 32 that + allow the last or first character of a word, respectively, to be split + off. +* troff: Giving no arguments to ".minss" now deactivates this mechanism. +* troff: ".minss" now has no effect unless in ".ad b" mode as documented. +* [nt]roff: The ".ss", ".sss", ".minss", ".lspmin", ".letss", ".lspmax", + ".lshmin", ".lshmax", ".lc_ctype", ".hylang", and ".fzoom" number + registers have been added to retrieve the current values set with the + respective requests. +* [nt]roff: The forms "\s+-'dd'", "\s+-[dd]", and "\s[+-dd]" of the size + change escape sequence are now understood. +* [nt]roff: The ".nop text" request (use text as input) has been added. +* [nt]roff: The escape sequence "\R'R +-N'" to set the value of a number + register has been added. +* [nt]roff: String references now accept arguments with the \*[xx arg ...] + escape sequence. +* [nt]roff: The ".blm xx" request has been added, it causes ".xx" to be + called whenever a blank line is encountered. +* [nt]roff: The ".itc" request (input trap not counting "\c") has been + added. +* [nt]roff: The ".hlm" request and the ".hln" and ".hlc" number registers + have been added to control the maximum number of consecutive hyphenated + lines. +* [nt]roff: The "\#" escape sequence (comment including newline) has been + added. +* [nt]roff: With xflag 3 and warning "mac" deactivated, if ".xx" was a + defined request and ".xxx" was not, ".xx" was executed for ".xxx". +* [nt]roff: Several segmentation violations that occurred with arbitrary + binary data as input have been fixed. +* troff, dpost, otfdump: The operator 12 in CFF Top DICT entries was not + handled correctly, resulting in misleading error messages with some + OpenType fonts. This has been fixed (bug reported by D. Jeff Dionne). + +Release 060619 +* troff: The ".minss" request has been added. It allows troff to decrease + the size of the word space below the value set by ".ss" when adjusting + lines at both margins. +* troff: The ".kernpair", ".kernafter", ".kernbefore", ".lhang", and + ".rhang" requests now also accept groups of characters to which the + same kerning/hanging value is applied. +* [nt]roff: It is now possible to use strings inside macros names (e.g. + ".xx\*(yy" as documented. +* [nt]roff: The ".if d", ".if n", and ".rr" requests erroneously applied + to a shorter two-character name if an undefined longer name was given + as an argument; this has been fixed. +* troff: The ".fkern" request now properly refers to a single mounted + instance of a font; it previously affected all mounted instances of + one font metrics file. +* troff: Character replacements with ".tr" where the target character + does not originate from the current font but is found in the fallback + sequence are now performed correctly. Previously, an invalid heap + access could occur, resulting in the choice of random characters. *** DIFF OUTPUT TRUNCATED AT 1000 LINES ***