Use stock (FSF) version of this file.

5 files changed, 394 insertions, 191 deletions

diff --git a/contrib/groff/man/groff_out.man b/contrib/groff/man/groff_out.man
index b45e82f..4469985 100644
--- a/contrib/groff/man/groff_out.man
+++ b/contrib/groff/man/groff_out.man
@@ -3,11 +3,12 @@
 .ig
 groff_out.5
 
-Last update: 13 Apr 2003
+Last update: 2 Jul 2005
 
 This file is part of groff, the GNU roff type-setting system.
 
-Copyright (C) 1989, 2001, 2002, 2003 Free Software Foundation, Inc.
+Copyright (C) 1989, 2001, 2002, 2003, 2004, 2005
+Free Software Foundation, Inc.
 rewritten from scrach 2001 by Bernd Warken <bwarken@mayn.de>
 
 Permission is granted to copy, distribute and/or modify this document
@@ -24,6 +25,9 @@ FDL in the main directory of the groff source package.
 .\" Setup
 .\" --------------------------------------------------------------------
 .
+.do nr groff_out_C \n[.C]
+.cp 0
+.
 .mso www.tmac
 .
 .if n \{\
@@ -252,18 +256,29 @@ groff_out \- groff intermediate output format
 .SH DESCRIPTION
 .\" --------------------------------------------------------------------
 .
-This manual page describes the intermediate output format of the GNU
+This manual page describes the
+.I intermediate output
+format of the GNU
 .BR roff (@MAN7EXT@)
-text processing system.
+text processing system
+.BR groff (@MAN1EXT@).
 .
 This output is produced by a run of the GNU
-.BR troff (@MAN1EXT@)
-program before it is fed into a device postprocessor program.
+.BR @g@troff (@MAN1EXT@)
+program.
+.
+It contains already all device-specific information, but it is not yet
+fed into a device postprocessor program.
+.
 .
 .P
-As the GNU roff processor
+As the GNU
+.I roff
+processor
 .BR groff (@MAN1EXT@)
-is a wrapper program around troff that automatically calls a
+is a wrapper program around
+.B @g@troff
+that automatically calls a
 postprocessor, this output does not show up normally.
 .
 This is why it is called
@@ -276,15 +291,19 @@ The
 .B groff
 program provides the option
 .B -Z
-to inhibit postprocessing, such that the produced intermediate output
+to inhibit postprocessing, such that the produced
+.I intermediate output
 is sent to standard output just like calling
-.B troff
+.B @g@troff
 manually.
 .
+.
 .P
 In this document, the term
-.I troff output
-describes what is output by the GNU troff program, while
+.I @g@troff output
+describes what is output by the GNU
+.B @g@troff
+program, while
 .I intermediate output
 refers to the language that is accepted by the parser that prepares
 this output for the postprocessors.
@@ -292,14 +311,15 @@ this output for the postprocessors.
 This parser is smarter on whitespace and implements obsolete elements
 for compatibility, otherwise both formats are the same.
 .
-The pre-groff roff versions are denoted as
-.I classical
-.IR troff .
+Both formats can be viewed directly with
+.BR \%gxditview (@MAN1EXT@).
+.
 .
 .P
-The main purpose of the intermediate output concept is to facilitate
-the development of postprocessors by providing a common programming
-interface for all devices.
+The main purpose of the
+.I intermediate output
+concept is to facilitate the development of postprocessors by
+providing a common programming interface for all devices.
 .
 It has a language of its own that is completely different from the
 .BR groff (@MAN7EXT@)
@@ -308,18 +328,28 @@ language.
 While the
 .I groff
 language is a high-level programming language for text processing, the
-intermediate output language is a kind of low-level assembler language
-by specifying all positions on the page for writing and drawing.
+.I intermediate output
+language is a kind of low-level assembler language by specifying all
+positions on the page for writing and drawing.
+.
 .
 .P
-The intermediate output produced by
-.I groff
+The
+.RI pre- groff
+.I roff
+versions are denoted as
+.I classical
+.IR troff .
+The
+.I intermediate output
+produced by
+.B groff
 is fairly readable, while
 .I classical troff
 output was hard to understand because of strange habits that are
 still supported, but not used any longer by
 .I GNU
-.IR troff .
+.IR @g@troff .
 .
 .
 .\" --------------------------------------------------------------------
@@ -327,17 +357,23 @@ still supported, but not used any longer by
 .\" --------------------------------------------------------------------
 .
 During the run of
-.BR troff , 
-the roff input is cracked down to the information on what has to be
-printed at what position on the intended device.
+.BR @g@troff , 
+the
+.I roff
+input is cracked down to the information on what has to be printed at
+what position on the intended device.
 .
-So the language of the intermediate output format can be quite small.
+So the language of the
+.I intermediate output
+format can be quite small.
 .
 Its only elements are commands with or without arguments.
 .
-In this document, the term "command" always refers to the intermediate
-output language, never to the roff language used for document
-formatting.
+In this document, the term "command" always refers to the
+.I intermediate output
+language, never to the
+.I roff
+language used for document formatting.
 .
 There are commands for positioning and text writing, for drawing, and
 for device controlling.
@@ -351,11 +387,11 @@ for device controlling.
 had strange requirements on whitespace.
 .
 The
-.I groff
+.B groff
 output parser, however, is smart about whitespace by making it
 maximally optional.
 .
-The whitespace characters, i.e.\& the
+The whitespace characters, i.e., the
 .IR tab ,
 .IR space ,
 and
@@ -365,14 +401,15 @@ characters, always have a syntactical meaning.
 They are never printable because spacing within the output is always
 done by positioning commands.
 .
+.
 .P
 Any sequence of
 .I space
 or
 .I tab
 characters is treated as a single
-.B syntactical
-.BR space .
+.I syntactical
+.IR space .
 .
 It separates commands and arguments, but is only required when there
 would occur a clashing between the command code and the arguments
@@ -382,7 +419,10 @@ Most often, this happens when variable length command names,
 arguments, argument lists, or command clusters meet.
 .
 Commands and arguments with a known, fixed length need not be
-separated by syntactical space.
+separated by
+.I syntactical
+.IR space .
+.
 .
 .P
 A line break is a syntactical element, too.
@@ -391,18 +431,22 @@ Every command argument can be followed by whitespace, a comment, or a
 newline character.
 .
 Thus a
-.B syntactical line break
-is defined to consist of optional syntactical space that is optionally
-followed by a comment, and a newline character.
+.I syntactical line break
+is defined to consist of optional
+.I syntactical space
+that is optionally followed by a comment, and a newline character.
+.
 .
 .P
 The normal commands, those for positioning and text, consist of a
 single letter taking a fixed number of arguments.
 .
 For historical reasons, the parser allows to stack such commands on
-the same line, but fortunately, in groff intermediate output, every
-command with at least one argument is followed by a line break, thus
-providing excellent readability.
+the same line, but fortunately, in
+.I groff intermediate
+.IR output ,
+every command with at least one argument is followed by a line break,
+thus providing excellent readability.
 .
 .P
 The other commands \[em] those for drawing and device controlling \[em]
@@ -421,10 +465,10 @@ Only one command,
 .RB ` x\ X '
 has an argument that can stretch over several lines, all other
 commands must have all of their arguments on the same line as the
-command, i.e.\& the arguments may not be splitted by a line break.
+command, i.e., the arguments may not be splitted by a line break.
 .
 .P
-Empty lines, i.e.\& lines containing only space and/or a comment, can
+Empty lines, i.e., lines containing only space and/or a comment, can
 occur everywhere.
 .
 They are just ignored.
@@ -439,7 +483,9 @@ values in a measurement unit, but the letter for the corresponding
 .I scale indicator
 is not written with the output command arguments; see
 .BR groff (@MAN7EXT@)
-and the groff info file for more on this topic.
+and the
+.I groff info file
+for more on this topic.
 .
 Most commands assume the scale indicator\~\c
 .unit u ,
@@ -457,6 +503,7 @@ They are defined by the parameters specified in the device's
 file; see
 .BR groff_font (@MAN5EXT@).
 .
+.
 .P
 Note that single characters can have the eighth bit set, as can the
 names of fonts and special characters.
@@ -465,6 +512,7 @@ The names of characters and fonts can be of arbitrary length.
 .
 A character that is to be printed will always be in the current font.
 .
+.
 .P
 A string argument is always terminated by the next whitespace
 character (space, tab, or newline); an embedded
@@ -480,8 +528,12 @@ argument or command.
 .\" --------------------------------------------------------------------
 .SS "Document Parts"
 .\" --------------------------------------------------------------------
-A correct intermediate output document consists of two parts, the
-prologue and the body.
+A correct
+.I intermediate output
+document consists of two parts, the
+.I prologue
+and the
+.IR body .
 .
 .P
 The task of the
@@ -506,8 +558,10 @@ is guaranteed to consist of the following three lines (in that order):
 with the arguments set as outlined in the section
 .BR "Device Control Commands" .
 .
-But the parser for the intermediate output format is able to swallow
-additional whitespace and comments as well.
+But the parser for the
+.I intermediate output
+format is able to swallow additional whitespace and comments as well.
+.
 .
 .P
 The
@@ -515,15 +569,20 @@ The
 is the main section for processing the document data.
 .
 Syntactically, it is a sequence of any commands different from the
-ones used in the prologue.
+ones used in the
+.IR prologue .
 .
 Processing is terminated as soon as the first
 .B x\ stop
-command is encountered; the last line of any groff intermediate output
+command is encountered; the last line of any
+.I groff intermediate output
 always contains such a command.
 .
+.
 .P
-Semantically, the body is page oriented.
+Semantically, the
+.I body
+is page oriented.
 .
 A new page is started by a
 .BR p \~command.
@@ -544,8 +603,9 @@ is done relative to the current location within this page.
 .SH "COMMAND REFERENCE"
 .\" --------------------------------------------------------------------
 .
-This section describes all intermediate output commands, the classical
-commands as well as the
+This section describes all
+.I intermediate output
+commands, the classical commands as well as the
 .I groff
 extensions.
 .
@@ -563,8 +623,9 @@ Ignore any characters from the
 character up to the next newline character.
 .
 .P
-This command is the only possibility for commenting in the intermediate
-output.
+This command is the only possibility for commenting in the
+.I intermediate
+.IR output .
 .
 Each comment can be preceded by arbitrary
 .I syntactical
@@ -592,9 +653,10 @@ All of these commands are stackable, i.e., they can be preceded by
 other simple commands or followed by arbitrary other commands on the
 same line.
 .
-A separating syntactical space is only necessary when two integer
-arguments would clash or if the preceding argument ends with a string
-argument.
+A separating
+.I syntactical space
+is only necessary when two integer arguments would clash or if the
+preceding argument ends with a string argument.
 .
 .
 .if (\n[@USE_ENV_STACK] == 1) \{\
@@ -619,11 +681,14 @@ stack as the actual device configuration data.
 Print a special groff character named
 .argument xxx .
 .
-The trailing syntactical space or line break is necessary to allow
-character names of arbitrary length.
+The trailing
+.I syntactical space
+or
+.I line break
+is necessary to allow character names of arbitrary length.
 .
-The character is printed at the current print position;
-the character's size is read from the font file.
+The character is printed at the current print position; the
+character's size is read from the font file.
 .
 The print position is not changed.
 .
@@ -658,7 +723,7 @@ Move
 .unit u
 horizontally to the right.
 .
-.I [54]
+.I [CSTR\~#54]
 allows negative values for
 .I n
 also, but
@@ -678,12 +743,16 @@ The color components are specified as integer arguments between 0 and
 The number of color components and their meaning vary for the
 different color schemes.
 .
-These commands are generated by the groff escape sequence
+These commands are generated by the
+.I groff
+escape sequence
 .BR \*[@backslash]m .
 .
 No position changing.
 .
-These commands are a groff extension.
+These commands are a
+.I groff
+extension.
 .
 .
 .RS
@@ -732,23 +801,31 @@ For example,
 .B N\~-193
 represents an unbreakable space which has a width of 193u.
 .
-This command is a groff extension.
+This command is a
+.I groff
+extension.
 .
 .
 .command n b\ a
 Inform the device about a line break, but no positioning is done by
 this command.
 .
-In classical troff, the integer arguments
+In
+.I classical
+.IR troff ,
+the integer arguments
 .argument b
 and\~\c
 .argument a
 informed about the space before and after the current line to
-make the intermediate output more human readable without performing
-any action.
+make the
+.I intermediate output
+more human readable without performing any action.
 .
-In groff, they are just ignored, but they must be provided for
-compatibility reasons.
+In
+.IR groff ,
+they are just ignored, but they must be provided for compatibility
+reasons.
 .
 .
 .command p n
@@ -775,9 +852,10 @@ scaled points
 (this is unit\~\c
 .unit z
 in GNU
-.BR troff ).
+.BR @g@troff ).
 .
-Classical troff used the unit
+.I Classical troff
+used the unit
 .I points
 (\c
 .unit p )
@@ -787,7 +865,7 @@ instead; see section
 .
 .command t xxx \[la]white_space\[ra]
 .command+ t "xxx dummy_arg" \[la]white_space\[ra]
-Print a word, i.e.\& a sequence of characters
+Print a word, i.e., a sequence of characters
 .argument xxx
 terminated by a space character or a line break; an optional second
 integer argument is ignored (this allows the formatter to generate
@@ -805,7 +883,9 @@ Special characters cannot be printed using this command (use the
 .B C
 command for named characters).
 .
-This command is a groff extension; it is only used for devices whose
+This command is a
+.I groff
+extension; it is only used for devices whose
 .I DESC
 file contains the
 .B tcommand
@@ -825,7 +905,9 @@ character and\~\c
 (an integer in
 basic units\~\c
 .unit u ).
-This command is a groff extension; it is only used for devices whose
+This command is a
+.I groff
+extension; it is only used for devices whose
 .I DESC
 file contains the
 .B tcommand
@@ -850,7 +932,7 @@ down
 .RI ( n
 is a non-negative integer).
 .
-.I [54]
+.I [CSTR\~#54]
 allows negative values for
 .I n
 also, but
@@ -868,22 +950,28 @@ The spacing itself must be performed explicitly by a move command.
 .SS "Graphics Commands"
 .\" --------------------------------------------------------------------
 .
-Each graphics or drawing command in the intermediate output starts
-with the letter\~\c
+Each graphics or drawing command in the
+.I intermediate output
+starts with the letter\~\c
 .B D
 followed by one or two characters that specify a subcommand; this
 is followed by a fixed or variable number of integer arguments that
 are separated by a single space character.
 .
 A
-.BR D \ command
-may not be followed by another command on the same line
-(apart from a comment), so each
-.BR D \ command
-is terminated by a syntactical line break.
+.B D\c
+\~command
+may not be followed by another command on the same line (apart from a
+comment), so each
+.B D\c
+\~command
+is terminated by a
+.I syntactical line
+.IR break .
+.
 .
 .P
-.I troff
+.B @g@troff
 output follows the classical spacing rules (no space between command
 and subcommand, all arguments are preceded by a single space
 character), but the parser allows optional space between the command
@@ -891,6 +979,7 @@ letters and makes the space before the first argument optional.
 .
 As usual, each space can be any sequence of tab and space characters.
 .
+.
 .P
 Some graphics commands can take a variable number of arguments.
 .
@@ -909,6 +998,7 @@ stand for vertical distances where positive means down, negative up.
 .
 All these distances are offsets relative to the current location.
 .
+.
 .P
 Unless indicated otherwise, each graphics command directly corresponds
 to a similar
@@ -917,12 +1007,16 @@ to a similar
 escape sequence; see
 .BR groff (@MAN7EXT@).
 .
+.
 .P
-Unknown D\~commands are assumed to be device-specific.
+Unknown
+.B D\c
+\~commands are assumed to be device-specific.
 .
 Its arguments are parsed as strings; the whole information is then
 sent to the postprocessor.
 .
+.
 .P
 In the following command reference, the syntax element
 .I \[la]line_break\[ra]
@@ -939,8 +1033,8 @@ then to offset
 .indexed_offset h 2 v 2
 if given, etc.\& up to
 .indexed_offset h n v n .
-This command takes a variable number of argument pairs;
-the current position is moved to the terminal point of the drawn curve.
+This command takes a variable number of argument pairs; the current
+position is moved to the terminal point of the drawn curve.
 .
 .
 .Da-command
@@ -964,7 +1058,9 @@ position to the rightmost point of the circle.
 An optional second integer argument is ignored (this allows to the
 formatter to generate an even number of arguments).
 .
-This command is a groff extension.
+This command is a
+.I groff
+extension.
 .
 .
 .D-command c d
@@ -987,7 +1083,9 @@ and a vertical diameter of\~\c
 with the leftmost point at the current position; then move to the
 rightmost point of the ellipse.
 .
-This command is a groff extension.
+This command is a
+.I groff
+extension.
 .
 .
 .D-command e "h v"
@@ -1013,7 +1111,9 @@ The color components are specified as integer arguments between 0 and
 The number of color components and their meaning vary for the
 different color schemes.
 .
-These commands are generated by the groff escape sequences
+These commands are generated by the
+.I groff
+escape sequences
 .B \*[@backslash]D'F\ .\|.\|.'
 and
 .B \*[@backslash]M
@@ -1021,7 +1121,9 @@ and
 .
 No position changing.
 .
-This command is a groff extension.
+This command is a
+.I groff
+extension.
 .
 .
 .RS
@@ -1088,10 +1190,13 @@ Df -1
 sets all colors to blue.
 .RE
 .
+.
 .P
 No position changing.
 .
-This command is a groff extension.
+This command is a
+.I groff
+extension.
 .
 .RE
 .
@@ -1126,7 +1231,9 @@ As the polygon is closed, the end of drawing is the starting point, so
 the position doesn't change.
 \}
 .
-This command is a groff extension.
+This command is a
+.I groff
+extension.
 .
 .
 .D-multiarg P
@@ -1142,7 +1249,9 @@ The position is changed in the same way as with
 .el \
 No position changing.
 .
-This command is a groff extension.
+This command is a
+.I groff
+extension.
 .
 .
 .D-command t n
@@ -1172,7 +1281,9 @@ Although this doesn't make sense it is kept for compatibility.
 .el \
 No position changing.
 .
-This command is a groff extension.
+This command is a
+.I groff
+extension.
 .
 .
 .\" --------------------------------------------------------------------
@@ -1182,8 +1293,11 @@ This command is a groff extension.
 Each device control command starts with the letter
 .B x
 followed by a space character (optional or arbitrary space/\:tab in
-groff) and a subcommand letter or word; each argument (if any) must be
-preceded by a syntactical space.
+.IR groff )
+and a subcommand letter or word; each argument (if any) must be
+preceded by a
+.I syntactical
+.IR space .
 .
 All
 .B x
@@ -1194,13 +1308,13 @@ line (except a comment).
 .
 .P
 The subcommand is basically a single letter, but to increase
-readability, it can be written as a word, i.e.\& an arbitrary sequence
+readability, it can be written as a word, i.e., an arbitrary sequence
 of characters terminated by the next tab, space, or newline character.
 .
 All characters of the subcommand word but the first are simply ignored.
 .
 For example,
-.I troff
+.B @g@troff
 outputs the initialization command
 .B x\ i
 as
@@ -1230,12 +1344,15 @@ Use
 .argument name
 as the intended name for the current file in error reports.
 .
-This is useful for remembering the original file name when groff uses
-an internal piping mechanism.
+This is useful for remembering the original file name when
+.B groff
+uses an internal piping mechanism.
 .
 The input file is not changed by this command.
 .
-This command is a groff extension.
+This command is a
+.I groff
+extension.
 .
 .
 .x-command f "n\ s"
@@ -1256,8 +1373,8 @@ Set character height to\~\c
 (a positive integer in scaled points\~\c
 .unit z ).
 .
-Classical troff used the unit
-points (\c
+.I Classical troff
+used the unit points (\c
 .unit p )
 instead; see section
 .BR COMPATIBILITY .
@@ -1267,7 +1384,8 @@ instead; see section
 .xsub init
 Initialize device.
 .
-This is the third command of the prologue.
+This is the third command of the
+.IR prologue .
 .
 .
 .x-command p
@@ -1292,7 +1410,8 @@ are positive integers in basic units\~\c
 .unit u
 per inch.
 .
-This is the second command of the prologue.
+This is the second command of the
+.IR prologue .
 .
 .
 .x-command S n
@@ -1306,7 +1425,9 @@ degrees (an integer in basic units\~\c
 .x-command s
 .xsub stop
 Terminates the processing of the current file; issued as the last
-command of any intermediate troff output.
+command of any
+.I intermediate @g@troff
+.IR output .
 .
 .
 .x-command t
@@ -1314,7 +1435,7 @@ command of any intermediate troff output.
 Generate trailer information, if any.
 .
 In
-.IR groff ,
+.BR groff ,
 this is actually just ignored.
 .
 .
@@ -1328,7 +1449,8 @@ The possible device names coincide with those from the groff
 .B -T
 option.
 .
-This is the first command of the prologue.
+This is the first command of the
+.IR prologue .
 .
 .
 .x-command u n
@@ -1345,10 +1467,12 @@ is\~0, stop underlining of spaces.
 This is needed for the
 .B cu
 request in
-.I nroff
+.B @g@nroff
 mode and is ignored otherwise.
 .
-This command is a groff extension.
+This command is a
+.I groff
+extension.
 .
 .
 .x-command X anything
@@ -1377,7 +1501,9 @@ This command is generated by the
 escape sequence
 .BR \*[@backslash]X .
 .
-The line-continuing feature is a groff extension.
+The line-continuing feature is a
+.I groff
+extension.
 .
 .
 .\" --------------------------------------------------------------------
@@ -1402,10 +1528,14 @@ Move right
 then print character\~\c
 .argument c .
 .
+.
 .RS
 .P
-In groff, arbitrary syntactical space around and within this command
-is allowed to be added.
+In
+.IR groff ,
+arbitrary
+.I syntactical space
+around and within this command is allowed to be added.
 .
 Only when a preceding command on the same line ends with an argument
 of variable length a separating space is obligatory.
@@ -1418,12 +1548,15 @@ spaces; this made such output almost unreadable.
 .
 .RE
 .
+.
 .P
 For modern high-resolution devices, this command does not make sense
 because the width of the characters can become much larger than two
 decimal digits.
 .
-In groff, this is only used for the devices
+In
+.BR groff ,
+this is only used for the devices
 .BR X75 ,
 .BR X75-12 ,
 .BR X100 ,
@@ -1445,7 +1578,8 @@ provide a better functionality.
 The
 .I roff
 postprocessors are programs that have the task to translate the
-intermediate output into actions that are sent to a device.
+.I intermediate output
+into actions that are sent to a device.
 .
 A device can be some piece of hardware such as a printer, or a software
 file format suitable for graphical or text processing.
@@ -1455,9 +1589,10 @@ The
 system provides powerful means that make the programming of such
 postprocessors an easy task.
 .P
-There is a library function that parses the intermediate output and
-sends the information obtained to the device via methods of a class
-with a common interface for each device.
+There is a library function that parses the
+.I intermediate output
+and sends the information obtained to the device via methods of a
+class with a common interface for each device.
 .
 So a
 .I groff
@@ -1471,22 +1606,27 @@ For details, see the reference in section
 .SH "EXAMPLES"
 .\" --------------------------------------------------------------------
 .
-This section presents the intermediate output generated from the same
-input for three different devices.
+This section presents the
+.I intermediate output
+generated from the same input for three different devices.
 .
 The input is the sentence
 .I hell world
-fed into groff on the command line.
+fed into
+.B groff
+on the command line.
+.
 .
 .Topic
 High-resolution device
 .I ps
 .
-.RS
 .
+.RS
 .P
 .ShellCommand echo "hell world" | groff -Z -T ps
 .
+.
 .P
 .nf
 .ft CB
@@ -1512,6 +1652,7 @@ x stop
 .fi
 .RE
 .
+.
 .P
 This output can be fed into the postprocessor
 .BR grops (@MAN1EXT@)
@@ -1522,8 +1663,8 @@ to get its representation as a PostScript file.
 Low-resolution device
 .I latin1
 .
-.RS
 .
+.RS
 .P
 This is similar to the high-resolution device except that the
 positioning is done at a minor scale.
@@ -1533,41 +1674,43 @@ Some comments (lines starting with
 were added for clarification; they were not generated by the
 formatter.
 .
+.
 .P
 .ShellCommand echo "hell world" | groff -Z -T latin1
 .
+.
 .P
 .nf
-.I # prologue
+.I "# prologue"
 .ft CB
 x T latin1
 x res 240 24 40
 x init
-.I # begin a new page
+.I "# begin a new page"
 .ft CB
 p1
-.I # font setup
+.I "# font setup"
 .ft CB
 x font 1 R
 f1
 s10
-.I # initial positioning on the page
+.I "# initial positioning on the page"
 .ft CB
 V40
 H0
-.I # write text `hell'
+.I "# write text `hell'"
 .ft CB
 thell
-.I # inform about a space, and do it by a horizontal jump
+.I "# inform about a space, and do it by a horizontal jump"
 .ft CB
 wh24
-.I # write text `world'
+.I "# write text `world'"
 .ft CB
 tworld
-.I # announce line break, but do nothing because ...
+.I "# announce line break, but do nothing because ..."
 .ft CB
 n40 0
-.I # ... the end of the document has been reached
+.I "# ... the end of the document has been reached"
 .ft CB
 x trailer
 V2640
@@ -1576,6 +1719,7 @@ x stop
 .fi
 .RE
 .
+.
 .P
 This output can be fed into the postprocessor
 .BR grotty (@MAN1EXT@)
@@ -1585,16 +1729,20 @@ to get a formatted text document.
 .Topic
 Classical style output
 .
-.RS
 .
+.RS
 .P
 As a computer monitor has a very low resolution compared to modern
-printers the intermediate output for the X\~devices can use the
-jump-and-write command with its 2-digit displacements.
+printers the
+.I intermediate output
+for the X\~devices can use the jump-and-write command with its 2-digit
+displacements.
+.
 .
 .P
 .ShellCommand echo "hell world" | groff -Z -T X100
 .
+.
 .P
 .nf
 .ft CB
@@ -1607,7 +1755,7 @@ f5
 s10
 V16
 H100
-.I # write text with old-style jump-and-write command
+.I "# write text with old-style jump-and-write command"
 .ft CB
 ch07e07l03lw06w11o07r05l03dh7
 n16 0
@@ -1618,13 +1766,15 @@ x stop
 .fi
 .RE
 .
+.
 .P
 This output can be fed into the postprocessor
-.BR xditview (1x)
+.BR \%xditview (1x)
 or
-.BR gxditview (@MAN1EXT@)
+.BR \%gxditview (@MAN1EXT@)
 for displaying in\~X.
 .
+.
 .P
 Due to the obsolete jump-and-write command, the text clusters in the
 classical output are almost unreadable.
@@ -1634,41 +1784,55 @@ classical output are almost unreadable.
 .SH "COMPATIBILITY"
 .\" --------------------------------------------------------------------
 .
-The intermediate output language of the 
+The
+.I intermediate output
+language of the 
 .I classical troff
 was first documented in
-.IR [97] .
+.IR [CSTR\~#97] .
 .
 The
-.I groff
-intermediate output format is compatible with this specification
-except for the following features.
+.I groff intermediate output
+format is compatible with this specification except for the following
+features.
+.
+.
 .Topic
 The classical quasi device independence is not yet implemented.
 .
+.
 .Topic
 The old hardware was very different from what we use today.
 .
-So the groff devices are also fundamentally different from the ones in
-classical troff.
+So the
+.I groff
+devices are also fundamentally different from the ones in
+.I classical
+.IR troff .
 .
 For example, the classical PostScript device was called
 .I post
 and had a resolution of 720 units per inch,
-while groff's
+while
+.IR groff 's
 .I ps
 device has a resolution of 72000 units per inch.
 .
 Maybe, by implementing some rescaling mechanism similar to the
 classical quasi device independence, these could be integrated into
-modern groff.
+modern
+.IR groff .
+.
 .
 .Topic
 The B-spline command
 .B D~
-is correctly handled by the intermediate output parser, but the
-drawing routines aren't implemented in some of the postprocessor
-programs.
+is correctly handled by the
+.I intermediate output
+parser, but the drawing routines aren't implemented in some of the
+postprocessor programs.
+.
+.
 .Topic
 The argument of the commands
 .B s
@@ -1676,20 +1840,28 @@ and
 .B x H
 has the implicit unit scaled point\~\c
 .unit z
-in groff, while classical troff had point (\c
+in
+.IR groff ,
+while
+.I classical troff
+had point (\c
 .unit p ).
 .
-This isn't an incompatibility, but a compatible extension,
-for both units coincide for all devices without a
+This isn't an incompatibility, but a compatible extension, for both
+units coincide for all devices without a
 .I sizescale
-parameter, including all classical and the groff text devices.
+parameter, including all classical and the
+.I groff
+text devices.
 .
-The few groff devices with a sizescale parameter either did
-not exist, had a different name, or seem to have had a different
-resolution.
+The few
+.I groff
+devices with a sizescale parameter either did not exist, had a
+different name, or seem to have had a different resolution.
 .
 So conflicts with classical devices are very unlikely.
 .
+.
 .ie (\n[@STUPID_DRAWING_POSITIONING] == 1) \{\
 .Topic
 The position changing after the commands
@@ -1704,24 +1876,34 @@ kept for compatibility reasons.
 .Topic
 Temporarily, there existed some confusion on the positioning after the
 .B D
-commands that are groff extensions.
+commands that are
+.I groff
+extensions.
 .
 This has been clarified by establishing the classical rule for all
 groff drawing commands:
 .
+.
 .RS
 .P
-.I The position after a graphic object has been drawn is at its end;
-.I for circles and ellipses, the "end" is at the right side.
+.ft I
+The position after a graphic object has been drawn is at its end;
+for circles and ellipses, the "end" is at the right side.
+.ft
 .RE
 .
+.
 .P
 From this, the positionings specified for the drawing commands above
 follow quite naturally.
 .\}             \" @STUPID_DRAWING_POSITIONING
 .
 .P
-The differences between groff and classical troff are documented in
+The differences between
+.I groff
+and
+.I classical troff
+are documented in
 .BR groff_diff (@MAN7EXT@).
 .
 .
@@ -1736,7 +1918,9 @@ Device description file for device
 .
 .TP
 .IB \[la]groff_source_dir\[ra] /src/libs/libdriver/input.cpp
-Defines the parser and postprocessor for the intermediate output.
+Defines the parser and postprocessor for the
+.I intermediate
+.IR output .
 .
 It is located relative to the top directory of the
 .I groff
@@ -1744,8 +1928,8 @@ source tree, e.g.
 .IR @GROFFSRCDIR@ .
 .
 This parser is the definitive specification of the
-.I groff
-intermediate output format.
+.I groff intermediate output
+format.
 .
 .
 .\" --------------------------------------------------------------------
@@ -1755,7 +1939,7 @@ intermediate output format.
 A reference like
 .BR groff (@MAN7EXT@)
 refers to a manual page; here
-.I groff
+.B groff
 in section\~\c
 .I @MAN7EXT@
 of the man-page documentation system.
@@ -1763,46 +1947,62 @@ of the man-page documentation system.
 To read the example, look up section\~@MAN7EXT@ in your desktop help
 system or call from the shell prompt
 .
+.
 .RS
 .P
 .ShellCommand man @MAN7EXT@ groff
 .RE
 .
+.
 .P
 For more details, see
 .BR man (1).
 .
+.
 .TP
 .BR groff (@MAN1EXT@)
 option
 .B -Z
 and further readings on groff.
 .
+.
 .TP
 .BR groff (@MAN7EXT@)
 for details of the
 .I groff
 language such as numerical units and escape sequences.
 .
+.
 .TP
 .BR groff_font (@MAN5EXT@)
 for details on the device scaling parameters of the
 .B DESC
 file.
 .
+.
 .TP
-.BR troff (@MAN1EXT@)
+.BR @g@troff (@MAN1EXT@)
 generates the device-independent intermediate output.
 .
+.
 .TP
 .BR roff (@MAN7EXT@)
 for historical aspects and the general structure of roff systems.
 .
+.
 .TP
 .BR groff_diff (@MAN7EXT@)
 The differences between the intermediate output in groff and classical
 troff.
 .
+.
+.TP
+.BR gxditview (@MAN1EXT@)
+Viewer for the
+.I intermediate
+.IR output .
+.
+.
 .P
 .BR \%grodvi (@MAN1EXT@),
 .BR \%grohtml (@MAN1EXT@),
@@ -1815,6 +2015,7 @@ troff.
 the groff postprocessor programs.
 .RE
 .
+.
 .P
 For a treatment of all aspects of the groff system within a single
 document, see the
@@ -1829,6 +2030,7 @@ or from the shell prompt by
 .ShellCommand info groff
 .RE
 .
+.
 .P
 The
 .I classical troff output language
@@ -1836,6 +2038,7 @@ is described in two AT&T Bell Labs CSTR documents available on-line at
 .URL http://\:cm.bell-labs.com/\:cm/\:cs/\:cstr.html \
      "Bell Labs CSTR site" .
 .
+.
 .TP
 .I [CSTR #97]
 .I A Typesetter-independent TROFF
@@ -1845,6 +2048,7 @@ is the original and most concise documentation on the output language;
 see
 .URL http://\:cm.bell-labs.com/\:cm/\:cs/\:cstr/\:97.ps.gz CSTR\~#97 .
 .
+.
 .TP
 .I [CSTR\~#54]
 The 1992 revision of the
@@ -1855,8 +2059,7 @@ and
 .I Brian Kernighan
 isn't as concise as
 .I [CSTR\~#97]
-regarding the output language;
-see
+regarding the output language; see
 .URL http://\:cm.bell-labs.com/\:cm/\:cs/\:cstr/\:54.ps.gz CSTR\~#54 .
 .
 .
@@ -1864,7 +2067,9 @@ see
 .SH "AUTHORS"
 .\" --------------------------------------------------------------------
 .
-Copyright (C) 1989, 2001, 2002, 2003 Free Software Foundation, Inc.
+Copyright (C) 1989, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+.
+.
 .P
 This document is distributed under the terms of the FDL (GNU Free
 Documentation License) version 1.1 or later.
@@ -1873,21 +2078,25 @@ You should have received a copy of the FDL with this package; it is also
 available on-line at the
 .URL http://\:www.gnu.org/\:copyleft/\:fdl.html "GNU copyleft site" .
 .
+.
 .P
 This document is part of
 .IR groff ,
-the GNU roff distribution.
+the GNU
+.I roff
+distribution.
 .
 It is based on a former version \- published under the GPL \- that
 described only parts of the
 .I groff
 extensions of the output language.
 .
-It has been rewritten 2002 by
-.MTO bwarken@mayn.de "Bernd Warken"
-and is maintained by
+It has been rewritten 2002 by \m[blue]Bernd Warken\m[] and is
+maintained by
 .MTO wl@gnu.org "Werner Lemberg" .
 .
+.cp \n[groff_out_C]
+.
 .\" --------------------------------------------------------------------
 .\" Emacs settings
 .\" --------------------------------------------------------------------
diff --git a/contrib/groff/tmac/doc-common b/contrib/groff/tmac/doc-common
index 38f1380..5b240bb 100644
--- a/contrib/groff/tmac/doc-common
+++ b/contrib/groff/tmac/doc-common
@@ -9,10 +9,8 @@
 .\" 2. Redistributions in binary form must reproduce the above copyright
 .\"    notice, this list of conditions and the following disclaimer in the
 .\"    documentation and/or other materials provided with the distribution.
-.\" 3. All advertising materials mentioning features or use of this software
-.\"    must display the following acknowledgement:
-.\"      This product includes software developed by the University of
-.\"      California, Berkeley and its contributors.
+.\" 3. [Deleted.  See
+.\"     ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change]
 .\" 4. Neither the name of the University nor the names of its contributors
 .\"    may be used to endorse or promote products derived from this software
 .\"    without specific prior written permission.
@@ -434,6 +432,8 @@
 .ds doc-operating-system-NetBSD-1.6.1 1.6.1
 .ds doc-operating-system-NetBSD-1.6.2 1.6.2
 .ds doc-operating-system-NetBSD-2.0   2.0
+.ds doc-operating-system-NetBSD-2.0.1 2.0.1
+.ds doc-operating-system-NetBSD-2.0.2 2.0.2
 .ds doc-operating-system-NetBSD-2.1   2.1
 .
 .ds doc-operating-system-FreeBSD-1.0     1.0
diff --git a/contrib/groff/tmac/doc-ditroff b/contrib/groff/tmac/doc-ditroff
index fbfa61b..84fe882 100644
--- a/contrib/groff/tmac/doc-ditroff
+++ b/contrib/groff/tmac/doc-ditroff
@@ -9,10 +9,8 @@
 .\" 2. Redistributions in binary form must reproduce the above copyright
 .\"    notice, this list of conditions and the following disclaimer in the
 .\"    documentation and/or other materials provided with the distribution.
-.\" 3. All advertising materials mentioning features or use of this software
-.\"    must display the following acknowledgement:
-.\"      This product includes software developed by the University of
-.\"      California, Berkeley and its contributors.
+.\" 3. [Deleted.  See
+.\"     ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change]
 .\" 4. Neither the name of the University nor the names of its contributors
 .\"    may be used to endorse or promote products derived from this software
 .\"    without specific prior written permission.
diff --git a/contrib/groff/tmac/doc-nroff b/contrib/groff/tmac/doc-nroff
index e8ce14d..eabb305 100644
--- a/contrib/groff/tmac/doc-nroff
+++ b/contrib/groff/tmac/doc-nroff
@@ -9,10 +9,8 @@
 .\" 2. Redistributions in binary form must reproduce the above copyright
 .\"    notice, this list of conditions and the following disclaimer in the
 .\"    documentation and/or other materials provided with the distribution.
-.\" 3. All advertising materials mentioning features or use of this software
-.\"    must display the following acknowledgement:
-.\"      This product includes software developed by the University of
-.\"      California, Berkeley and its contributors.
+.\" 3. [Deleted.  See
+.\"     ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change]
 .\" 4. Neither the name of the University nor the names of its contributors
 .\"    may be used to endorse or promote products derived from this software
 .\"    without specific prior written permission.
diff --git a/contrib/groff/tmac/doc-syms b/contrib/groff/tmac/doc-syms
index 3059a4d..4182a08 100644
--- a/contrib/groff/tmac/doc-syms
+++ b/contrib/groff/tmac/doc-syms
@@ -9,10 +9,8 @@
 .\" 2. Redistributions in binary form must reproduce the above copyright
 .\"    notice, this list of conditions and the following disclaimer in the
 .\"    documentation and/or other materials provided with the distribution.
-.\" 3. All advertising materials mentioning features or use of this software
-.\"    must display the following acknowledgement:
-.\"      This product includes software developed by the University of
-.\"      California, Berkeley and its contributors.
+.\" 3. [Deleted.  See
+.\"     ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change]
 .\" 4. Neither the name of the University nor the names of its contributors
 .\"    may be used to endorse or promote products derived from this software
 .\"    without specific prior written permission.