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-rw-r--r--ChangeLog7
-rw-r--r--man/groff_char.man28
-rw-r--r--man/groff_diff.man460
-rw-r--r--src/preproc/eqn/lex.cpp5
4 files changed, 250 insertions, 250 deletions
diff --git a/ChangeLog b/ChangeLog
index cda8c47b..b80effa4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
-2008-01-04 Werner LEMBERG <wl@gnu.org>
+2008-01-05 Werner LEMBERG <wl@gnu.org>
+
+ * man/groff_char.man, man/groff.man: Revised.
+ * src/preproc/eqn/lex.cpp (troff_defs): Fix typo.
+
+2008-01-04 Werner LEMBERG <wl@gnu.org>
* */*: s/Osanna/Ossanna/.
* */*.man: Replace .URL with .UR/.UE (except in groff_www.tmac).
diff --git a/man/groff_char.man b/man/groff_char.man
index 8cbe457c..09256186 100644
--- a/man/groff_char.man
+++ b/man/groff_char.man
@@ -392,20 +392,12 @@ Note that some of the input characters are reserved by
either for internal use or for special input purposes.
.
On EBCDIC platforms, only code page
-.B cp1047
+.I cp1047
is supported (which contains the same characters as \%latin1; the
input encoding file is called \f(CWcp1047.tmac\fP).
.
Again, some input characters are reserved for internal and special purposes.
.
-It is rather straightforward (for the experienced user) to set up other
-\%8-bit encodings like
-.IR \%latin2 ;
-since
-.B groff
-uses Unicode in the next major version, no additional encodings
-are provided.
-.
.
.P
All roff systems provide the concept of named glyphs.
@@ -483,7 +475,7 @@ These are the basic glyphs having 7-bit ASCII code values assigned.
.
They are identical to the printable characters of the
character standards \%ISO-8859-1 (\%latin1) and Unicode (range
-.IR "C0 Controls and Basic Latin" ).
+.IR "Basic Latin" ).
.
The glyph names used in composite glyph names are `u0020' up to `u007E'.
.
@@ -604,7 +596,7 @@ They are interpreted as printable characters according to the
.I latin1
.RI ( ISO-8859-1 )
code set, being identical to the Unicode range
-.IR "C1 Controls and Latin1 Supplement" .
+.IR "Latin-1 Supplement" .
.
.
.P
@@ -753,12 +745,6 @@ ASCII or \%latin1 code set, not only alphanumeric characters.
Here some examples:
.
.TP
-\f(CW\e\fP\fIc\fP
-A glyph having the name
-.IR c ,
-which consists of a single character (length\ 1).
-.
-.TP
\f(CW\e(\fP\fIch\fP
A glyph having the 2-character name
.IR ch .
@@ -769,6 +755,14 @@ A glyph having the name
.I char_name
(having length 1, 2, 3, .\|.\|.).
.
+Note that `\fIc\fP' is not the same as
+`\f(CW\e[\fP\fIc\fP\f(CW]\fP' (\fIc\fP\ a single character):
+The latter is internally mapped to glyph name `\e\fIc\fP'.
+.
+By default, groff defines a single glyph name starting with a backslash,
+namely \%`\e-', which can be either accessed as `\f(CW\e\-\fP' or
+`\f(CW\e[-]\fP'.
+.
.TP
\f(CW\e[\fP\fIbase_glyph composite_1 composite_2 .\|.\|.\fP\f(CW]\fP
A composite glyph; see below for a more detailed description.
diff --git a/man/groff_diff.man b/man/groff_diff.man
index f34815e4..40713e4d 100644
--- a/man/groff_diff.man
+++ b/man/groff_diff.man
@@ -57,7 +57,7 @@ This manual page describes the language differences between
.IR groff ,
the GNU
.I roff
-text processing system and the classical
+text processing system, and the classical
.I roff
formatter of the freely available Unix\~7 of the 1970s, documented in
the
@@ -97,11 +97,9 @@ are described in detail.
The names of number registers, fonts, strings/\:macros/\:diversions,
special characters (glyphs), and colors can be of any length.
.
-In escape sequences, additionally to the classical
-.BI ( xx
+In escape sequences, additionally to the classical `\fB(\fP\fIxx\fP'
construction for a two-character name, you can use
-.BI [ xxx ]
-for a name of arbitrary length.
+`\fB[\fP\fIxxx\fP\fB]\fP' for a name of arbitrary length.
.
.TP
.BI \[rs][ xxx ]
@@ -119,7 +117,7 @@ See the
.I groff info file
for details how a glyph name for a composite glyph is constructed, and
.BR groff_char (@MAN7EXT@)
-for list of glyph name components used composite glyph names.
+for a list of glyph name components used in composite glyph names.
.
.TP
.BI \[rs]f[ xxx ]
@@ -128,7 +126,7 @@ Set font
.
Additionally,
.B \[rs]f[]
-is a new syntax equal to
+is a new syntax form equal to
.BR \[rs]fP ,
i.e., to return to the previous font.
.
@@ -149,7 +147,7 @@ Interpolate number register
.
.
.\" --------------------------------------------------------------------
-.SS "Fractional pointsizes"
+.SS "Fractional point sizes"
.\" --------------------------------------------------------------------
.
A
@@ -162,13 +160,13 @@ is specified in the
.B DESC
file (1 by default).
.
-There is a new scale indicator
+There is a new scale indicator\~\c
.B z
that has the effect of multiplying by sizescale.
.
Requests and escape sequences in troff interpret arguments that
-represent a pointsize as being in units of scaled points, but they
-evaluate each such argument using a default scale indicator of
+represent a point size as being in units of scaled points, but they
+evaluate each such argument using a default scale indicator of\~\c
.BR z .
Arguments treated in this way are the argument to the
.B ps
@@ -188,25 +186,25 @@ equivalent to a millipoint; the call
.B .ps\ 10.25
is equivalent to
.B .ps\ 10.25z
-and so sets the pointsize to 10250 scaled points, which is equal to
+and so sets the point size to 10250 scaled points, which is equal to
10.25 points.
.
.P
The number register
.B \[rs]n[.s]
-returns the pointsize in points as decimal fraction.
+returns the point size in points as decimal fraction.
.
There is also a new number register
.B \[rs]n[.ps]
-that returns the pointsize in scaled points.
+that returns the point size in scaled points.
.
.P
It would make no sense to use the
-.B z
+.BR z \~\c
scale indicator in a numeric expression whose default scale indicator
was neither
.B u
-nor
+nor\~\c
.BR z ,
and so
.B troff
@@ -214,9 +212,9 @@ disallows this.
.
Similarly it would make no sense to use a scaling indicator other than
.B z
-or
+or\~\c
.B u
-in a numeric expression whose default scale indicator was
+in a numeric expression whose default scale indicator was\~\c
.BR z ,
and so
.B troff
@@ -234,7 +232,7 @@ is equal to
Be sure not to confuse the
.B s
and
-.B z
+.BR z \~\c
scale indicators.
.
.
@@ -279,7 +277,7 @@ as the default scaling indicator.
.
If
.I c
-is missing, ignore scaling indicators in the evaluation of
+is missing, ignore scaling indicators in the evaluation of\~\c
.IR e .
.
.
@@ -291,9 +289,9 @@ is missing, ignore scaling indicators in the evaluation of
.BI \[rs]A' anything '
This expands to
.B 1
-or
-.B 0
-resp., depending on whether
+or\~\c
+.BR 0 ,
+depending on whether
.I anything
is or is not acceptable as the name of a string, macro, diversion, number
register, environment, font, or color.
@@ -303,16 +301,16 @@ if
.I anything
is empty.
.
-This is useful if you want to lookup user input in some sort of
+This is useful if you want to look up user input in some sort of
associative table.
.
.TP
.BI \[rs]B' anything '
This expands to
.B 1
-or
-.B 0
-resp., depending on whether
+or\~\c
+.BR 0 ,
+depending on whether
.I anything
is or is not a valid numeric expression.
.
@@ -337,7 +335,7 @@ and is available in compatibility mode.
.TP
.B \[rs]E
This is equivalent to an escape character, but it is not interpreted in
-copy-mode.
+copy mode.
.
For example, strings to start and end superscripting could be defined
like this
@@ -355,7 +353,7 @@ The use of
.B \[rs]E
ensures that these definitions work even if
.B \[rs]*{
-gets interpreted in copy-mode (for example, by being used in a macro
+gets interpreted in copy mode (for example, by being used in a macro
argument).
.RE
.
@@ -400,10 +398,10 @@ switches back to the previous color.
.
.TP
.BI \[rs]N' n '
-Typeset the glyph with index
+Typeset the glyph with index\~\c
.I n
in the current font.
-.I n
+.IR n \~\c
can be any integer.
.
Most devices only have glyphs with indices between 0 and 255.
@@ -420,10 +418,10 @@ escape sequence can be conveniently used in conjunction with the
request, for example
.
.RS
-.ft CB
.IP
+.EX
\&.char \[rs][phone] \[rs]f(ZD\[rs]N'37'
-.ft
+.EE
.RE
.
.IP
@@ -443,10 +441,10 @@ escape sequence is the only way to use these.
.BI \[rs]O n
.TQ
.BI \[rs]O[ n ]
-Suppressing troff output.
+Suppress troff output.
.
The escapes
-.BR \[rs]02 ,
+.BR \[rs]O2 ,
.BR \[rs]O3 ,
.BR \[rs]O4 ,
and
@@ -477,7 +475,7 @@ also reset the registers
.BR \[rs]n[opmaxx] ,
and
.B \[rs]n[opmaxy]
-to\~-1.
+to\~\-1.
.
These four registers mark the top left and bottom right hand corners
of a box which encompasses all written glyphs.
@@ -528,8 +526,13 @@ to stderr.
.
The position of the image,
.IR P ,
-must be specified and must be one of l, r, c, or i (left, right,
-centered, inline).
+must be specified and must be one of
+.BR l ,
+.BR r ,
+.BR c ,
+or
+.B i
+(left, right, centered, inline).
.
.I filename
is associated with the production of the next inline image.
@@ -580,7 +583,7 @@ Interpolate the contents of the environment variable
as returned by
.BR getenv (3).
.B \[rs]V
-is interpreted in copy-mode.
+is interpreted in copy mode.
.
.TP
.BI \[rs]Y x
@@ -664,16 +667,15 @@ if you want to embed newlines in a diversion.
.
The escape sequence
.B \[rs]?\&
-is also recognised in copy mode and turned into a single internal
+is also recognized in copy mode and turned into a single internal
code; it is this code that terminates
.IR anything .
Thus
.
.RS
.IP
+.EX
.ne 14v+\n(.Vu
-.ft CB
-.nf
\&.nr x 1
\&.nf
\&.di d
@@ -690,8 +692,7 @@ Thus
\&.di
\&.nr x 4
\&.f
-.fi
-.ft
+.EE
.RE
.
.IP
@@ -705,9 +706,9 @@ spacing between that glyph and the following glyph is
correct if the following glyph is a roman glyph.
.
.if t \{\
-. nop For example, if an italic f is immediately followed by a roman
+. nop For example, if an italic\~f is immediately followed by a roman
. nop right parenthesis, then in many fonts the top right portion of
-. nop the f overlaps the top left of the right parenthesis
+. nop the\~f overlaps the top left of the right parenthesis
. nop producing \f[I]f\f[R])\f[R], which is ugly.
. nop Inserting
. B \[rs]/
@@ -729,7 +730,7 @@ correct if the preceding glyph is a roman glyph.
.if t \{\
. nop For example, inserting
. B \[rs],
-. nop between the parenthesis and the f changes
+. nop between the parenthesis and the\~f changes
. nop \f[R](\f[I]f\f[R] to
. ie \n(.g \f[R](\,\f[I]f\f[R].
. el \f[R](\^\f[I]f\f[R].
@@ -742,7 +743,7 @@ intervening space.
.B \[rs])
Like
.B \[rs]&
-except that it behaves like a character declared with the
+except that it behaves like a glyph declared with the
.B cflags
request to be transparent for the purposes of end-of-sentence
recognition.
@@ -758,7 +759,7 @@ This causes the insertion of a zero-width break point.
.
It is equal to
.B \[rs]%
-within a word but without insertion of a soft hyphen character.
+within a word but without insertion of a soft hyphen glyph.
.
.TP
.B \[rs]#
@@ -816,7 +817,7 @@ The
and
.B as
requests only create a new object if the name of the macro, diversion
-or string diversion is currently undefined or if it is defined to be a
+or string is currently undefined or if it is defined to be a
request; normally they modify the value of an existing object.
.
.TP
@@ -889,16 +890,15 @@ are treated like ordinary input characters when
.I xx
is reread.
Useful for diversions in conjunction with the
-.B .writem
+.B writem
request.
.
It can be also used for gross hacks; for example, this
.
.RS
.IP
+.EX
.ne 7v+\n(.Vu
-.ft CB
-.nf
\&.tr @.
\&.di x
\&@nr n 1
@@ -907,8 +907,7 @@ It can be also used for gross hacks; for example, this
\&.tr @@
\&.asciify x
\&.x
-.fi
-.ft
+.EE
.RE
.
.IP
@@ -942,7 +941,7 @@ and
.B da
requests with the exception that a partially filled line does not
become part of the diversion (i.e., the diversion always starts with a
-new line) but restored after ending the diversion, discarding the
+new line) but is restored after ending the diversion, discarding the
partially filled line which possibly comes from the diversion.
.
.TP
@@ -966,7 +965,7 @@ This is the same as
.
.TP
.BI .cflags\ n\ c1\ c2\|.\|.\|.\&
-Characters
+Glyphs
.IR c1 ,
.IR c2 ,\|.\|.\|.\&
have properties determined by
@@ -975,57 +974,69 @@ which is ORed from the following:
.
.RS
.IP 1
-The character ends sentences (initially characters
+The glyph ends sentences (initially glyphs
.B .?!\&
have this property).
.
.IP 2
-Lines can be broken before the character (initially no characters have
-this property); a line is not broken at a character with this
-property unless the characters on each side both have non-zero
-hyphenation codes.
+Lines can be broken before the glyph (initially no glyphs have
+this property); a line is not broken at a glyph with this
+property unless the input characters associated with those glyphs
+on each side both have non-zero hyphenation codes.
This can be overridden with value 64.
.
.IP 4
-Lines can be broken after the character (initially characters
+Lines can be broken after the glyph (initially glyphs
.B \-\[rs][hy]\[rs][em]
-have this property); a line is not broken at a character with
-this property unless the characters on each side both have non-zero
-hyphenation codes.
+have this property); a line is not broken at a glyph with
+this property unless the input characters associated with those
+glyphs on each side both have non-zero hyphenation codes.
This can be overridden with value 64.
.
.IP 8
-The character overlaps horizontally (initially characters
+The glyph overlaps horizontally (initially glyphs
.B \[rs][ul]\[rs][rn]\[rs][ru]\[rs][radicalex]\[rs][sqrtex]
have this property).
.
.IP 16
-The character overlaps vertically (initially character
+The glyph overlaps vertically (initially glyph
.B \[rs][br]
has this property).
.
.IP 32
-An end-of-sentence character followed by any number of characters with
+An end-of-sentence glyph followed by any number of glyphs with
this property is treated as the end of a sentence if followed by
-a newline or two spaces; in other words the character is transparent
+a newline or two spaces; in other words the glyph is transparent
for the purposes of end-of-sentence recognition; this is the same as
-having a zero space factor in \*[tx] (initially characters
-.B \[dq]')]*\[rs](dg\[rs](rq
+having a zero space factor in \*[tx] (initially glyphs
+.B \[dq]')]*\[rs][dg]\[rs][rq]
have this property).
.
.IP 64
Ignore hyphenation code values of the surrounding characters.
-Use this in combination with values 2 and\~4 (initially no characters have
+Use this in combination with values 2 and\~4 (initially no glyphs have
this property).
.RE
.
.TP
.BI .char\ c\ string
-Define glyph
+[This request's name is a misnomer since it constructs output objects
+(glyphs) not input objects (characters).]
+.
+.IP
+Define glyph\~\c
.I c
to be
.IR string .
-Every time glyph
+.
+To be more precise, define (or even override) a groff entity which
+can be accessed with name\~\c
+.I c
+on the input side, and which uses
+.I string
+on the output side.
+.
+Every time glyph\~\c
.I c
needs to be printed,
.I string
@@ -1033,7 +1044,7 @@ is processed in a temporary environment and the result is
wrapped up into a single object.
.
Compatibility mode is turned off and the escape character is
-set to
+set to\~\c
.B \[rs]
while
.I string
@@ -1044,21 +1055,22 @@ this object rather than to individual glyphs in
.IR string .
.
.IP
-A glyph defined by this request can be used just like a normal
-glyph provided by the output device.
+A groff object defined by this request can be used just like a
+normal glyph provided by the output device.
.
In particular other characters can be translated to it with the
.B tr
-request; it can be made the leader character by the
+request; it can be made the leader glyph by the
.B lc
-request; repeated patterns can be drawn with the character using the
+request; repeated patterns can be drawn with the glyph using the
.B \[rs]l
and
.B \[rs]L
-escape sequences; words containing the character can be hyphenated
-correctly, if the
+escape sequences; words containing\~\c
+.I c
+can be hyphenated correctly, if the
.B hcode
-request is used to give the character a hyphenation code.
+request is used to give the object a hyphenation code.
.
.IP
There is a special anti-recursion feature: Use of glyph within the
@@ -1124,17 +1136,18 @@ If
is non-zero or missing, enable compatibility mode, otherwise disable
it.
.
-In compatibility mode, long names are not recognised, and the
+In compatibility mode, long names are not recognized, and the
incompatibilities caused by long names do not arise.
.
.TP
.BI .defcolor\ xxx\ scheme\ color_components
-Define color.
+Define color
+.IR xxx .
.I scheme
can be one of the following values:
.B rgb
(three components),
-.B cym
+.B cmy
(three components),
.B cmyk
(four components), and
@@ -1166,10 +1179,9 @@ Example:
.
.RS
.IP
-.ft CB
+.EX
\&.defcolor darkgreen rgb 0.1f 0.5f 0.2f
-.br
-.ft
+.EE
.RE
.
.IP
@@ -1181,10 +1193,9 @@ request, thus the above statement is equivalent to
.
.RS
.IP
-.ft CB
+.EX
\&.defcolor darkgreen rgb 0.1 0.5 0.2
-.br
-.ft
+.EE
.RE
.
.IP
@@ -1215,13 +1226,11 @@ The following example
.RS
.IP
.ne 2v+\n(.Vu
-.ft CB
-.nf
+.EX
\&.ds xx aa
\&.ds yy bb
\&.dei xx yy
-.fi
-.ft
+.EE
.RE
.
.IP
@@ -1229,10 +1238,9 @@ is equivalent to
.
.RS
.IP
-.ft CB
+.EX
\&.de aa bb
-.br
-.ft
+.EE
.RE
.
.TP
@@ -1269,19 +1277,17 @@ For example,
.RS
.
.IP
-.ft CB
+.EX
\&.do fam T
-.br
-.ft
+.EE
.
.P
would have the same effect as
.
.IP
-.ft CB
+.EX
\&.fam T
-.br
-.ft
+.EE
.
.P
except that it would work even if compatibility mode had been enabled.
@@ -1340,7 +1346,7 @@ request for more information on font families.
.
.TP
.BI .fchar\ c\ string
-Define fallback glyph
+Define fallback glyph\~\c
.I c
to be
.IR string .
@@ -1358,7 +1364,7 @@ This test happens before checking special fonts.
.
.TP
.BI .fcolor\ c
-Set the fill color to
+Set the fill color to\~\c
.IR c .
If
.I c
@@ -1367,9 +1373,9 @@ switch to the previous fill color.
.
.TP
.BI .fschar\ f\ c\ string
-Define fallback glyph
+Define fallback glyph\~\c
.I c
-for font
+for font\~\c
.I f
to be
.IR string .
@@ -1382,11 +1388,11 @@ defined with
is searched after the list of fonts declared with the
.B fspecial
request but before the list of fonts declared with
-.BR special .
+.BR .special .
.
.TP
.BI .fspecial\ f\ s1\ s2\|.\|.\|.\&
-When the current font is
+When the current font is\~\c
.IR f ,
fonts
.IR s1 ,
@@ -1404,11 +1410,11 @@ Without argument, reset the list of global special fonts to be empty.
.
.TP
.BI .ftr\ f\ g
-Translate font
+Translate font\~\c
.I f
-to
+to\~\c
.IR g .
-Whenever a font named
+Whenever a font named\~\c
.I f
is referred to in an
.B \[rs]f
@@ -1427,14 +1433,14 @@ conditional operators, or in the
.BR fp ,
or
.BR sty
-requests, font
+requests, font\~\c
.I g
is used.
If
.I g
-is missing, or equal to
+is missing, or equal to\~\c
.I f
-then font
+then font\~\c
.I f
is not translated.
.
@@ -1448,12 +1454,12 @@ for font\~\c
must a non-negative integer multiple of 1/1000th.
If it is missing or is equal to zero, it means the same as 1000, namely no
magnification.
-.I f\c
-\~must be a real font name, not a style.
+.IR f \~\c
+must be a real font name, not a style.
.
.TP
.BI .gcolor\ c
-Set the glyph color to
+Set the glyph color to\~\c
.IR c .
If
.I c
@@ -1495,7 +1501,7 @@ The
.B hla
request is usually invoked by the
.B troffrc
-file.
+file to set up a default language.
.
.TP
.BI .hlm\ n
@@ -1546,7 +1552,7 @@ is 0-9 or a-f) and
.BI ^^ x
(character code of\~\c
.I x
-in the range 0-127) are recognized; other use of
+in the range 0-127) are recognized; other use of\~\c
.B ^
causes an error.
.
@@ -1556,20 +1562,20 @@ No macro expansion.
.IP \[bu]
.B hpf
checks for the expression
-.B \[rs]patterns{.\|.\|.}
+.BR \[rs]patterns{ .\|.\|. }
(possibly with whitespace before and after the braces).
.
Everything between the braces is taken as hyphenation patterns.
.
Consequently,
-.B {
-and
+.BR { \~\c
+and\~\c
.B }
are not allowed in patterns.
.
.IP \[bu]
Similarly,
-.B \[rs]hyphenation{.\|.\|.}
+.BR \[rs]hyphenation{ .\|.\|. }
gives a list of hyphenation exceptions.
.
.IP \[bu]
@@ -1652,7 +1658,7 @@ short.
The default hyphenation margin is\~0.
.
The default scaling indicator for this request is\~\c
-.IR m .
+.BR m .
The hyphenation margin is associated with the current environment.
.
The current hyphenation margin is available in the
@@ -1665,7 +1671,7 @@ Set the
.I hyphenation space
to\~\c
.IR n :
-when the current adjustment mode is\~\c
+When the current adjustment mode is\~\c
.B b
don't hyphenate the line if the line can be justified by adding no
more than
@@ -1721,8 +1727,7 @@ For example, the following
.RS
.IP
.ne 6v+\n(.Vu
-.ft CB
-.nf
+.EX
\&.ds x a\[rs]t\[rs]c
\&.ds y b\[rs]t\[rs]c
\&.ds z c
@@ -1730,8 +1735,7 @@ For example, the following
\&\[rs]*x
\&\[rs]*y
\&\[rs]*z
-.fi
-.ft
+.EE
.RE
.
.IP
@@ -1739,7 +1743,9 @@ yields
.
.RS
.IP
+.EX
a b c
+.EE
.RE
.
.IP
@@ -1747,7 +1753,9 @@ In line-tabs mode, the same code gives
.
.RS
.IP
+.EX
a b c
+.EE
.RE
.
.IP
@@ -1820,7 +1828,7 @@ Emit
.I string
directly to the intermediate output (subject to copy-mode interpretation);
this is similar to
-.B \[rs]!
+.B \[rs]!\&
used at the top level.
.
An initial double quote in
@@ -1874,7 +1882,7 @@ can affect the priority of subsequently planted traps.
.
.TP
.BI .pvs \ \[+-]n
-Set the post-vertical line space to
+Set the post-vertical line space to\~\c
.IR n ;
default scale indicator is\~\c
.BR p .
@@ -1937,11 +1945,11 @@ The number of lines to be right justified is available in the
register.
.
This implicitly does
-.BR .ce \~0 .
+.BR .ce\~0 .
The
.B ce
request implicitly does
-.BR .rj \~0 .
+.BR .rj\~0 .
.
.TP
.BI .rnn \ xx\ yy
@@ -1952,7 +1960,7 @@ to
.
.TP
.BI .schar\ c\ string
-Define global fallback glyph
+Define global fallback glyph\~\c
.I c
to be
.IR string .
@@ -1967,12 +1975,12 @@ request but before the mounted special fonts.
.
.TP
.BI .shc\ c
-Set the soft hyphen character to
+Set the soft hyphen character to\~\c
.IR c .
If
.I c
is omitted, the soft hyphen character is set to the default
-.BR \[rs](hy .
+.BR \[rs][hy] .
The soft hyphen character is the glyph which is inserted when
a word is hyphenated at a line break.
.
@@ -1993,7 +2001,7 @@ In a macro, shift the arguments by
positions: argument\~\c
.I i
becomes argument
-.IR i \- n ;
+.IR i \|\-\| n ;
arguments 1 to\~\c
.I n
are no longer available.
@@ -2032,7 +2040,7 @@ than a single line.
.BI .special\ s1\ s2\|.\|.\|.\&
Fonts
.IR s1 ,
-.IR s2 ,
+.IR s2 ,\|.\|.\|.\&
are special and are searched for glyphs not in the current
font.
.
@@ -2106,7 +2114,7 @@ member of the current family corresponding to that style.
.
The default family can be set with the
.B \-f
-option.
+command line option.
.
The
.B styles
@@ -2136,14 +2144,14 @@ or
is negative, it is counted from the end of the string,
going backwards:
.
-The last character has index\~-1, the character before the last
-character has index\~-2, etc.
+The last character has index\~\-1, the character before the last
+character has index\~\-2, etc.
.
.TP
.BI .tkf\ f\ s1\ n1\ s2\ n2
-Enable track kerning for font
+Enable track kerning for font\~\c
.IR f .
-When the current font is
+When the current font is\~\c
.I f
the width of every glyph is increased by an amount between
.I n1
@@ -2199,13 +2207,11 @@ using
.RS
.IP
.ne 2v+\n(.Vu
-.ft CB
-.nf
+.EX
\&.di x
\&.trf f
\&.di
-.fi
-.ft
+.EE
.RE
.
.IP
@@ -2228,8 +2234,7 @@ Example:
.
.RS
.IP
-.nf
-.ft CB
+.EX
\&.trin ax
\&.di xxx
\&a
@@ -2239,8 +2244,7 @@ Example:
\&.trin aa
\&.asciify xxx
\&.xxx
-.fi
-.ft
+.EE
.RE
.
.IP
@@ -2263,15 +2267,13 @@ For example,
.
.RS
.IP
-.nf
-.ft CB
+.EX
\&.tr ab
\&.di x
\&\[rs]!.tm a
\&.di
\&.x
-.fi
-.ft
+.EE
.RE
.
.IP
@@ -2302,7 +2304,7 @@ request.
This request `unformats' the diversion
.IR xx .
Contrary to the
-.B .asciify
+.B asciify
request, which tries to convert formatted elements of the diversion
back to input tokens as much as possible,
.B .unformat
@@ -2317,9 +2319,9 @@ Note that the vertical size of lines is not preserved.
Glyph information (font, font size, space width, etc.) is retained.
.
Useful in conjunction with the
-.B .box
+.B box
and
-.B .boxa
+.B boxa
requests.
.
.TP
@@ -2346,7 +2348,7 @@ Initially vertical position traps are enabled.
.TP
.BI .warn\ n
Control warnings.
-.I n
+.IR n \~\c
is the sum of the numbers associated with each warning that is to be
enabled; all other warnings are disabled.
.
@@ -2375,7 +2377,7 @@ are
.BR i ,
.BR c ,
.BR p ,
-and
+and\~\c
.BR P .
.
At startup, it is set to\~\c
@@ -2444,7 +2446,7 @@ is read in copy mode.
.\" --------------------------------------------------------------------
.
.TP
-.BI \[rs]D' .\|.\|. '
+.BR \[rs]D' .\|.\|. '
All drawing commands of groff's intermediate output are accepted.
.
See subsection
@@ -2541,22 +2543,21 @@ Set tabs at positions
.IR n2 ,\|.\|.\|.\|,
.I nn
and then set tabs at
-.IR nn + r1 ,
-.IR nn + r2 ,\|.\|.\|.\|,
-.IR nn + rn
+.IR nn \|+\| r1 ,
+.IR nn \|+\| r2 ,\|.\|.\|.\|,
+.IR nn \|+\| rn
and then at
-.IR nn + rn + r1 ,
-.IR nn + rn + r2 ,\|.\|.\|.\|,
-.IR nn + rn + rn ,
+.IR nn \|+\| rn \|+\| r1 ,
+.IR nn \|+\| rn \|+\| r2 ,\|.\|.\|.\|,
+.IR nn \|+\| rn \|+\| rn ,
and so on.
For example,
.
.RS
.IP
-.ft CB
+.EX
\&.ta T .5i
-.br
-.ft
+.EE
.
.P
sets tabs every half an inch.
@@ -2578,8 +2579,7 @@ This allows to reliably modify requests.
.RS
.IP
.ne 6v+\n(.Vu
-.ft CB
-.nf
+.EX
\&.als bp*orig bp
\&.de bp
\&.tm before bp
@@ -2587,7 +2587,7 @@ This allows to reliably modify requests.
\&.el 'bp*orig
\&.tm after bp
\&..
-.fi
+.EE
.RE
.
.IP
@@ -2704,13 +2704,13 @@ request).
.
.TP
.B \[rs]n[.in]
-The indent that applies to the current output line.
+The indentation that applies to the current output line.
.
.TP
.B \[rs]n[.int]
Set to a positive value if last output line is interrupted (i.e., if
it contains
-.IR \[rs]c ).
+.BR \[rs]c ).
.
.TP
.B \[rs]n[.kern]
@@ -2778,11 +2778,11 @@ request, or the number of the current page plus\~1.
.
.TP
.B \[rs]n[.ps]
-The current pointsize in scaled points.
+The current point size in scaled points.
.
.TP
.B \[rs]n[.psr]
-The last-requested pointsize in scaled points.
+The last-requested point size in scaled points.
.
.TP
.B \[rs]n[.pvs]
@@ -2803,7 +2803,7 @@ The slant of the current font as set with
.
.TP
.B \[rs]n[.sr]
-The last requested pointsize in points as a decimal fraction.
+The last requested point size in points as a decimal fraction.
.
This is a string-valued register.
.
@@ -2848,7 +2848,8 @@ register.
.
.TP
.B \[rs]n[.U]
-Set to 1 if in safer mode and to 0 if in unsafe mode (as given with the
+Set to\~1 if in safer mode and to\~0 if in unsafe mode (as given with
+the
.B \-U
command line option).
.
@@ -2898,12 +2899,12 @@ Zero if no magnification.
.TQ
.B \[rs]n[ury]
These four registers are set by the
-.B .psbb
+.B psbb
request and contain the bounding box values (in PostScript units) of a
given PostScript image.
.
.P
-The following read/write registers are set by the
+The following read/\:write registers are set by the
.B \[rs]w
escape sequence:
.
@@ -2993,7 +2994,7 @@ is the current year minus 1900.
.
.B @g@troff
predefines a single (read/write) string-based register,
-.BR \[rs]*(.T ,
+.BR \[rs]*[.T] ,
which contains the argument given to the
.B \-T
command line option, namely the current output device (for example,
@@ -3051,7 +3052,7 @@ between them.
.P
In a string comparison in a condition, characters that appear at
different input levels to the first delimiter character are not
-recognised as the second or third delimiters.
+recognized as the second or third delimiters.
.
This applies also to the
.B tl
@@ -3060,7 +3061,7 @@ request.
In a
.B \[rs]w
escape sequence, a character that appears at a different input level
-to the starting delimiter character is not recognised as the
+to the starting delimiter character is not recognized as the
closing delimiter character.
.
The same is true for
@@ -3077,7 +3078,7 @@ and
.
When decoding a macro or string argument that is delimited by double
quotes, a character that appears at a different input level to the starting
-delimiter character is not recognised as the closing delimiter
+delimiter character is not recognized as the closing delimiter
character.
.
The implementation of
@@ -3089,7 +3090,7 @@ argument itself.
In a long escape name
.B ]
is not recognized as a closing delimiter except when it occurs at
-the same input level as the opening
+the same input level as the opening\~\c
.BR ] .
.
In compatibility mode, no attention is paid to the input-level.
@@ -3133,11 +3134,11 @@ request.
.
.TP
.BI .if\ F f
-True if font
+True if font\~\c
.I f
exists.
.
-.B f
+.BR f \~\c
is handled as if it was opened with the
.B ft
request (this is, font translation and styles are applied), without
@@ -3145,7 +3146,7 @@ actually mounting it.
.
.TP
.BI .if\ S s
-True if style
+True if style\~\c
.I s
has been registered.
.
@@ -3165,14 +3166,13 @@ Example:
.
.IP
.ne 6v+\n(.Vu
-.ft CB
-.nf
+.EX
\&.if t \[rs]{\[rs]
\&. de bar
\&. nop Hello, I'm `bar'.
\&. .
\&.\[rs]}
-.fi
+.EE
.
.
.\" --------------------------------------------------------------------
@@ -3192,7 +3192,7 @@ Only the differences are documented here.
.\" --------------------------------------------------------------------
.
The argument to the
-.B s
+.BR s \~\c
command is in scaled points (units of
.RI points/ n ,
where
@@ -3240,10 +3240,10 @@ Special characters cannot be printed using this command.
.TP
.BI u n\ xxx
This is same as the
-.B t
+.BR t \~\c
command except that after printing each character, the current
horizontal position is increased by the sum of the width of that
-character and
+character and\~\c
.IR n .
.
.P
@@ -3284,7 +3284,7 @@ The arguments are integers in the range 0 to 65536.
.
.P
The
-.B x
+.BR x \~\c
device control command has been extended.
.
.TP
@@ -3331,7 +3331,7 @@ By default, a level of 1000 is used.
Whatever color a solid object has, it should completely obscure
everything beneath it.
.
-A value greater than 1000 or less than 0 can also be used: this means
+A value greater than 1000 or less than\~0 can also be used: this means
fill with the shade of gray that is currently being used for lines and
text.
.
@@ -3383,7 +3383,7 @@ but draw a solid rather than outlined polygon.
.TP
\f[B]Dt \f[I]n\f[R]\*[ic]\[rs]n
Set the current line thickness to
-.I n
+.IR n \~\c
machine units.
.
Traditionally Unix troff drivers use a line thickness proportional to
@@ -3391,9 +3391,9 @@ the current point size; drivers should continue to do this if no
.B Dt
command has been given, or if a
.B Dt
-command has been given with a negative value of
+command has been given with a negative value of\~\c
.IR n .
-A zero value of
+A zero value of\~\c
.I n
selects the smallest available line thickness.
.
@@ -3416,7 +3416,7 @@ is not one of
.BR e ,
.BR l ,
.BR a ,
-or
+or\~\c
.BR ~ ,
Unix troff treats each of the $x sub i$ as a horizontal quantity,
and each of the $y sub i$ as a vertical quantity and assumes that
@@ -3428,8 +3428,10 @@ and that the height is $sum from i=1 to n y sub i$.
and
.B sb
registers after using such a
-.B D
-command in a \[rs]w escape sequence).
+.BR D \~\c
+command in a
+.B \[rs]w
+escape sequence).
.
This rule also holds for all the original drawing commands with the
exception of
@@ -3444,10 +3446,10 @@ and, to a lesser extent,
commands.
.
Thus after executing a
-.B D
+.BR D \~\c
command of the form
.IP
-\f[B]D\f[I]c\f[R] $x sub 1$ $y sub 1$ $x sub 2$ $y sub 2$ .\|.\|. $x sub n$ $y sub n$\[rs]n
+\f[B]D\f[I]c\f[R] $x sub 1$ $y sub 1$ $x sub 2$ $y sub 2$ $...$ $x sub n$ $y sub n$\[rs]n
.
.P
the current position should be increased by
@@ -3468,7 +3470,7 @@ Another set of extensions is
.TQ
\f[B]DFr \f[I]red green blue\f[R]\*[ic]\[rs]n
Set the color components of the filling color similar to the
-.B m
+.BR m \~\c
commands above.
.
.P
@@ -3563,7 +3565,7 @@ with contents
In
.IR groff
mode, this is considered as a call of a macro named
-.B dsabcd .
+.BR dsabcd .
.
.P
Also
@@ -3572,7 +3574,7 @@ interprets
.B \[rs]*[
or
.B \[rs]n[
-as references to a string or number register called
+as references to a string or number register called\~\c
.B [
while
.I groff
@@ -3600,7 +3602,7 @@ does not allow to use the single-character escapes
(opening brace),
.B \[rs]}
(closing brace),
-`\[rs]\ '
+.RB ` \[rs]\ '
(space),
.B \[rs]'
(single quote),
@@ -3610,13 +3612,13 @@ does not allow to use the single-character escapes
(minus),
.B \[rs]_
(underline),
-.B \[rs]!
+.B \[rs]!\&
(bang),
.B \[rs]%
(percent),
and
.B \[rs]c
-(character c) in names of strings, macros, diversions, number
+(character\~c) in names of strings, macros, diversions, number
registers, fonts or environments, whereas
.I classical troff
does.
@@ -3628,7 +3630,7 @@ escape sequence can be helpful in avoiding these escape sequences in
names.
.
.P
-Fractional pointsizes cause one noteworthy incompatibility.
+Fractional point sizes cause one noteworthy incompatibility.
.
In
.I classical
@@ -3642,8 +3644,8 @@ request ignores scale indicators and so
.RE
.
.P
-sets the pointsize to 10\~points, whereas in groff native mode the
-pointsize is set to 10\~scaled points.
+sets the point size to 10\~points, whereas in groff native mode the
+point size is set to 10\~scaled points.
.
.P
In
@@ -3686,26 +3688,24 @@ The following example makes things clearer.
.
.P
.RS
-.nf
-.ft CB
+.EX
\&.di x
-.B \[rs]\[rs]\[rs]\[rs]
+\[rs]\[rs]\[rs]\[rs]
\&.br
\&.di
\&.x
-.ft
-.fi
+.EE
.RE
.
.P
With
.I GNU troff
this is printed as
-.B \[rs]\[rs] .
+.BR \[rs]\[rs] .
So each pair of input backslashes
-\&'\[rs]\[rs]'
+\&`\[rs]\[rs]'
is turned into a single output backslash glyph
-\&'\[rs]'
+\&`\[rs]'
and the resulting output backslashes are not interpreted as escape
characters when they are reread.
.
@@ -3724,7 +3724,7 @@ for getting a non-syntactical backslash.
.
A close method is the printable version of the current escape
character using the
-\[rs]e
+.B \[rs]e
escape sequence; this works if the current escape character is not
redefined.
.
@@ -3737,10 +3737,10 @@ backslashes.
.P
To store an escape sequence in a diversion that is interpreted
when the diversion is reread, either the traditional
-.B \[rs]!
+.B \[rs]!\&
transparent output facility or the
new
-.B \[rs]?
+.B \[rs]?\&
escape sequence can be used.
.
.
@@ -3761,14 +3761,14 @@ classical definition.
.
.IP \[bu] 2m
The intermediate output cannot be rescaled to other devices as
-classical "device-independent" troff did.
+classical `device-independent' troff did.
.
.
.\" --------------------------------------------------------------------
.SH AUTHORS
.\" --------------------------------------------------------------------
.
-Copyright (C) 1989, 2001, 2002, 2003, 2004, 2006, 2007
+Copyright (C) 1989, 2001, 2002, 2003, 2004, 2006, 2007, 2008
Free Software Foundation, Inc.
.
.P
diff --git a/src/preproc/eqn/lex.cpp b/src/preproc/eqn/lex.cpp
index 5d73bdb8..d404034f 100644
--- a/src/preproc/eqn/lex.cpp
+++ b/src/preproc/eqn/lex.cpp
@@ -1,5 +1,6 @@
// -*- C++ -*-
-/* Copyright (C) 1989, 1990, 1991, 1992, 2000, 2001, 2002, 2003, 2005, 2007
+/* Copyright (C) 1989, 1990, 1991, 1992, 2000, 2001, 2002, 2003, 2005, 2007,
+ 2008
Free Software Foundation, Inc.
Written by James Clark (jjc@jclark.com)
@@ -260,7 +261,7 @@ static struct builtin_def troff_defs[] = {
{ "vec", "accent { vec_def }" },
{ "dyad_def", "up 52 size -5 { \\(<> }" },
{ "dyad", "accent { dyad_def }" },
- { "...", "type \"inner\" vcenter { . . , }" },
+ { "...", "type \"inner\" vcenter { . . . }" },
};
/* equivalent definitions for MathML mode */