[Groff-commit] groff/man groff.man

[Eric S. Raymond]

CVSROOT:        /sources/groff
Module name:    groff
Changes by:     Eric S. Raymond <esr>   07/02/19 05:54:57

Modified files:
        man            : groff.man 

Log message:
        * tmac/groff.man: Get rid of the big, ugly, and totally
        nonportable ExecFF macro.  The code is simpler without it.

CVSWeb URLs:
http://cvs.savannah.gnu.org/viewcvs/groff/man/groff.man?cvsroot=groff&r1=1.87&r2=1.88

Patches:
Index: groff.man
===================================================================
RCS file: /sources/groff/groff/man/groff.man,v
retrieving revision 1.87
retrieving revision 1.88
diff -u -b -r1.87 -r1.88
--- groff.man   16 Feb 2007 16:54:49 -0000      1.87
+++ groff.man   19 Feb 2007 05:54:57 -0000      1.88
@@ -46,42 +46,6 @@
 .de Text
 .  nop \)\$*
 ..
-.c ---------------------------------------------------------------------
-.c .ExecFF macro font1 font2 text1 text2 text1 text2 ...
-.c
-.c Concat text arguments using alternating fonts and feed into macro.
-.c For a trailing punctuation, terminate the call with \c.
-.c
-.de ExecFF
-.  if (\n[.$] < 4) \
-.    return
-.  ds @a\"
-.  ds @m \$1\"
-.  ds @f1 \$2\"
-.  ds @f2 \$3\"
-.  shift 3
-.  ds @s\"
-.  while 1 \{\
-.    if (\n[.$] = 0) \
-.      break
-.    ds @a \$1\"
-.    as @s address@hidden@a]\f[]\"
-.    shift
-.    if (\n[.$] = 0) \
-.      break
-.    ds @a \$1\"
-.    as @s address@hidden@a]\f[]\"
-.    shift
-.  \}
-.  address@hidden "address@hidden"
-.  ft P                 \" to make \c happy
-.  rm @m
-.  rm @s
-.  rm @a
-.  rm @f1
-.  rm @f2
-..
-.
 .c --------- command line option ---------
 .
 .de option
@@ -91,20 +55,11 @@
 .
 .c --------- characters ---------
 .
-.de character
-.  ExecFF Text CB R \$*
-..
 .de squoted_char
-.  ds @1 \$1\"
-.  shift
-.  ExecFF Text R CB \[oq] address@hidden "\[cq]\$*"
-.  rm @1
+.  Text \[oq]\f[CB]\$1\f[]\[cq]\$2
 ..
 .de dquoted_char
-.  ds @1 \$1\"
-.  shift
-.  ExecFF Text R CB \[lq] address@hidden "\[rq]\$*"
-.  rm @1
+.  Text \[lq]\f[CB]\$1\f[]\[rq]\$2
 ..
 .c --------- requests ---------
 .
@@ -163,7 +118,7 @@
 .de ESC
 .  if (\n[.$] < 1)
 .    ab .ESC needs 1 or 2 arguments.
-.  ExecFF IP CB I "\[rs]\$1" "\,\$2\/"
+.  Text "\f[CB]\[rs]\$1" "\,\f[I]\$2\/\fR"
 ..
 .c ---------------------------------------------------------------------
 .c .ESC[] name arg
@@ -177,7 +132,7 @@
 .de ESC[]
 .  if !(\n[.$] = 2) \
 .    ab .ESC[] needs exactly 2 arguments.
-.  ExecFF IP CB I "\[rs]\$1\[lB]" "\h'-0.2m'\$2\h'-0.15m'" \[rB]
+.  Text "\f[CB]\[rs]\$1\[lB]\f[]\h'-0.2m'\f[I]\$2\f[]\h'-0.15m'\[rB]"
 ..
 .c ---------------------------------------------------------------------
 .c .ESCq name arg
@@ -191,7 +146,7 @@
 .de ESCq
 .  if !(\n[.$] = 2) \
 .    ab .ESCq needs exactly 2 argument.
-.  ExecFF IP CB I "\[rs]\$1\[cq]" "\h'-0.3m'\$2" \[cq]
+.  Text "\f[CB]\[rs]\$1\[cq]\f[]\h'-0.3m'\f[I]\$2\f[]\[cq]"
 ..
 .c ---------------------------------------------------------------------
 .c .ESC? arg
@@ -204,7 +159,7 @@
 .de ESC?
 .  if !(\n[.$] = 1) \
 .    ab .ESC? needs exactly 1 arguments.
-.  ExecFF IP CB I \[rs]? "\$1" ?
+.  Text "\f[CB]\[rs]?\f[I]\$1\f[CB]?\f[R]"
 ..
 .c ---------------------------------------------------------------------
 .c .esc name [punct]
@@ -269,11 +224,7 @@
 .
 .c synopsis for string, with \*[]
 .de STRING
-.  ds @1 \$1\"
-.  shift 1
-.  TP 10n
-.  ExecFF Text R CB \[rs]*[ address@hidden \$*
-.  rm @1
+.  Text \[rs]*[\f[CB]\$1\f[]] \$2
 ..
 .c synopsis for a long string
 .de string
@@ -287,11 +238,7 @@
 .
 .c synopsis for registers, with \n[]
 .de REG
-.  ds @1 \$1\"
-.  shift 1
-.  TP 10n
-.  ExecFF Text R CB \[rs]n[ address@hidden \$*
-.  rm @1
+.  Text \[rs]n[\f[CB]\$1\f[]]
 ..
 .c reference of a register, without decoration
 .de register
@@ -595,7 +542,7 @@
 task in certain conditions.
 .
 .TP
-.character .
+\&\f[CB].\f[]
 A dot is only special at the beginning of a line or after the
 condition in the requests
 .request if ,
@@ -622,7 +569,7 @@
 line of its own.
 .
 .TP
-.character '
+\&\f[CB]'\f[]
 The single quote has two controlling tasks.
 .
 At the beginning of a line and in the conditional requests it is the
@@ -649,7 +596,7 @@
 escape sequence.
 .
 .TP
-.character \[dq]
+\&\f[CB]\[dq]\f[]
 The double quote is used to enclose arguments in requests, macros, and
 strings.
 .
@@ -672,7 +619,7 @@
 escape sequence.
 .
 .TP
-.character \[rs]
+\&\f[CB]\[rs]\f[]
 The backslash usually introduces an escape sequence (this can be
 changed with the
 .request ec
@@ -683,20 +630,20 @@
 escape; a backslash glyph can be obtained by
 .esc (rs .
 .TP
-.character (
+\&\f[CB](\f[]
 The open parenthesis is only special in escape sequences when
 introducing an escape name or argument consisting of exactly two
 characters.
 .
 In groff, this behavior can be replaced by the \f[CB][]\f[] construct.
 .TP
-.character [
+\&\f[CB][\f[]
 The opening bracket is only special in groff escape sequences; there
 it is used to introduce a long escape name or long escape argument.
 .
 Otherwise, it is non-special, e.g.\& in macro calls.
 .TP
-.character ]
+\&\f[CB]]\f[]
 The closing bracket is only special in groff escape sequences; there
 it terminates a long escape name or long escape argument.
 .
@@ -891,21 +838,21 @@
 .RS
 .
 .TPx
-.ExecFF Text I CB e1 >? e2
+\f[I]e1\f[CB]>?\f[I]e2\f[R]
 The maximum of
 .I e1
 and
 .IR e2 .
 .
 .TPx
-.ExecFF Text I CB e1 <? e2
+\f[I]e1\f[CB]<?\f[I]e2\f[R]
 The minimum of
 .I e1
 and
 .IR e2 .
 .
 .TPx
-.ExecFF Text CB I ( c ; e )
+\f[CB](\f[I]c\f[CB];\f[I]e\f[CB])\f[R]
 Evaluate
 .I e
 using
@@ -1925,7 +1872,7 @@
 directly to intermediate output, allowing leading whitespace if
 .I string
 starts with
-.character \[dq]
+\&\f[CB]\[dq]\f[]
 (which is stripped off).
 .
 .REQ .pc
@@ -2226,7 +2173,7 @@
 whitespace if
 .I anything
 starts with
-.character \[dq]
+\&\f[CB]\[dq]\f[]
 (which is stripped off).
 .
 .REQ .tmc anything
@@ -2434,11 +2381,13 @@
 .
 .\" --------- comments ---------
 .
+.TP
 .ESC \[dq]
 Beginning of a comment.
 .
 Everything up to the end of the line is ignored.
 .
+.TP
 .ESC #
 Everything up to and including the next newline is ignored.
 .
@@ -2450,14 +2399,17 @@
 .
 .\" --------- strings ---------
 .
+.TP
 .ESC *\f[I]s\f[]
 The string stored in the string variable with 1-character name
 .IR s .
 .
+.TP
 .ESC *(\f[I]st\f[]
 The string stored in the string variable with 2-character name
 .IR st .
 .
+.TP
 .ESC[] * "stringvar arg1 arg2 .\|.\|."
 The string stored in the string variable with arbitrary length name
 .IR stringvar ,
@@ -2469,6 +2421,7 @@
 .
 .\" --------- macro arguments ---------
 .
+.TP
 .ESC $0
 The name by which the current macro was invoked.
 .
@@ -2476,6 +2429,7 @@
 .request als
 request can make a macro have more than one name.
 .
+.TP
 .ESC $ x
 Macro or string argument with 1-place number
 .IR x ,
@@ -2483,10 +2437,12 @@
 .I x
 is a digit between 1 and 9.
 .
+.TP
 .ESC $( xy
 Macro or string argument with 2-digit number
 .IR xy .
 .
+.TP
 .ESC[] $ nexp
 Macro or string argument with number
 .IR nexp ,
@@ -2494,14 +2450,17 @@
 .I nexp
 is a numerical expression evaluating to an integer \[>=]1.
 .
+.TP
 .ESC $*
 In a macro or string, the concatenation of all the arguments separated
 by spaces.
 .
+.TP
 .ESC $@
 In a macro or string, the concatenation of all the arguments with each
 surrounded by double quotes, and separated by spaces.
 .
+.TP
 .ESC $^
 In a macro, the representation of all parameters as if they were an
 argument to the
@@ -2510,6 +2469,7 @@
 .
 .\" --------- escaped characters ---------
 .
+.TP
 .ESC \[rs]
 reduces to a single backslash; useful to delay its interpretation as
 escape character in copy mode.
@@ -2520,28 +2480,35 @@
 .esc [rs] ,
 to be independent from the current escape character.
 .
+.TP
 .ESC \[cq]
 The acute accent \[aa]; same as
 .esc (aa .
 Unescaped: apostrophe, right quotation mark, single quote (ASCII 0x27).
 .
+.TP
 .ESC `
 The grave accent \[ga]; same as
 .esc (ga .
 Unescaped: left quote, backquote (ASCII 0x60).
 .
+.TP
 .ESC \-
 The \- sign in the current font.
 .
+.TP
 .ESC .
 An uninterpreted dot (period), even at start of line.
 .
+.TP
 .ESC %
 Default optional hyphenation character.
 .
+.TP
 .ESC !
 Transparent line indicator.
 .
+.TP
 .ESC? anything
 In a diversion, this transparently embeds
 .I anything
@@ -2557,21 +2524,27 @@
 .
 .\" --------- spacing ---------
 .
+.TP
 .ESC \& space
 Unpaddable space-size space character (no line break).
 .
+.TP
 .ESC 0
 Digit width.
 .
+.TP
 .ESC |
 1/6\ em narrow space character; zero width in nroff.
 .
+.TP
 .ESC ^
 1/12\ em half-narrow space character; zero width in nroff.
 .
+.TP
 .ESC &
 Non-printable, zero width character.
 .
+.TP
 .ESC )
 Like
 .esc &
@@ -2579,48 +2552,58 @@
 request to be transparent for the purposes of end of sentence
 recognition.
 .
+.TP
 .ESC /
 Increases the width of the preceding character so that the spacing
 between that character and the following character is correct if
 the following character is a roman character.
 .
+.TP
 .ESC ,
 Modifies the spacing of the following character so that the spacing
 between that character and the preceding character is correct if the
 preceding character is a roman character.
 .
+.TP
 .ESC ~
 Unbreakable space that stretches like a normal inter-word space when a
 line is adjusted.
 .
+.TP
 .ESC :
 Inserts a zero-width break point (similar to
 .esc %
 but without a soft hyphen character).
 .
+.TP
 .ESC "" newline
 Ignored newline, for continuation lines.
 .
 .\" --------- structuring ---------
 .
+.TP
 .ESC {
 Begin conditional input.
 .
+.TP
 .ESC }
 End conditional input.
 .
 .\" --------- longer escape names ---------
 .
+.TP
 .ESC ( sc
 The special character with 2-character name
 .IR sc ,
 see section
 .BR "Special Characters" .
 .
+.TP
 .ESC[] "" name
 The named character (or rather glyph) with arbitrary length name
 .IR name .
 .
+.TP
 .ESC[] "" "comp1 comp2 .\|.\|."
 A composite glyph with components
 .IR comp1 ,
@@ -2629,27 +2612,33 @@
 .
 .\" --------- alphabetical escapes ---------
 .
+.TP
 .ESC a
 Non-interpreted leader character.
 .
+.TP
 .ESCq A anything
 If
 .I anything
 is acceptable as a name of a string, macro, diversion, register,
 environment or font it expands to\~1, and to\~0 otherwise.
 .
+.TP
 .ESCq b abc.\|.\|.\&
 Bracket building function.
 .
+.TP
 .ESCq B anything
 If
 .I anything
 is acceptable as a valid numeric expression it expands to\~1, and
 to\~0 otherwise.
 .
+.TP
 .ESC c
 Interrupt text processing.
 .
+.TP
 .ESCq C char
 The character called
 .IR char ;
@@ -2657,53 +2646,67 @@
 .esc[] "" char ,
 but compatible to other roff versions.
 .
+.TP
 .ESC d
 Forward (down) 1/2 em vertical unit (1/2 line in nroff).
 .
+.TP
 .ESCq D charseq
 Draw a graphical element defined by the characters in
 .IR charseq ;
 see groff info file for details.
 .
+.TP
 .ESC e
 Printable version of the current escape character.
 .
+.TP
 .ESC E
 Equivalent to an escape character, but is not interpreted in copy-mode.
 .
+.TP
 .ESC f F
 Change to font with 1-character name or 1-digit number
 .IR F .
 .
+.TP
 .ESC fP
 Switch back to previous font.
 .
+.TP
 .ESC f( fo
 Change to font with 2-character name or 2-digit number
 .IR fo .
 .
+.TP
 .ESC[] f font
 Change to font with arbitrary length name or number expression
 .IR font .
 .
+.TP
 .ESC[] f ""
 Switch back to previous font.
 .
+.TP
 .ESC F f
 Change to font family with 1-character name
 .IR f .
 .
+.TP
 .ESC F( fm
 Change to font family with 2-character name
 .IR fm .
 .
+.TP
 .ESC[] F fam
 Change to font family with arbitrary length name
 .IR fam .
 .
+.TP
 .ESC[] F ""
 Switch back to previous font family.
 .
+.TP
 .ESC[] g reg
 Return format of register with name
 .I reg
@@ -2715,15 +2718,18 @@
 and
 .escarg g x .
 .
+.TP
 .ESCq h N
 Local horizontal motion; move right
 .I N
 (left if negative).
 .
+.TP
 .ESCq H N
 Set height of current font to
 .IR N .
 .
+.TP
 .ESC[] k reg
 Mark horizontal input place in register with arbitrary length name
 .IR reg .
@@ -2732,14 +2738,17 @@
 and
 .escarg k x .
 .
+.TP
 .ESCq l Nc
 Horizontal line drawing function (optionally using character
 .IR c ).
 .
+.TP
 .ESCq L Nc
 Vertical line drawing function (optionally using character
 .IR c ).
 .
+.TP
 .ESC[] m color
 Change to color
 .IR color .
@@ -2749,9 +2758,11 @@
 and
 .escarg m c .
 .
+.TP
 .ESC[] m ""
 Switch back to previous color.
 .
+.TP
 .ESC[] M color
 Change filling color for closed drawn objects to color
 .IR color .
@@ -2761,24 +2772,29 @@
 and
 .escarg M c .
 .
+.TP
 .ESC[] M ""
 Switch to previous fill color.
 .
+.TP
 .ESC n r
 The numerical value stored in the register variable with the
 1-character name
 .IR r .
 .
+.TP
 .ESC n( re
 The numerical value stored in the register variable with the
 2-character name
 .IR re .
 .
+.TP
 .ESC[] n reg
 The numerical value stored in the register variable with arbitrary
 length name
 .IR reg .
 .
+.TP
 .ESCq N n
 Typeset the character with code
 .I n
@@ -2788,6 +2804,7 @@
 .request char
 request.
 .
+.TP
 .ESCq o abc.\|.\|.\&
 Overstrike characters
 .IR a ,
@@ -2795,28 +2812,34 @@
 .IR c ,
 etc.
 .
+.TP
 .ESC O 0
 Disable glyph output.
 .
 Mainly for internal use.
 .
+.TP
 .ESC O 1
 Enable glyph output.
 .
 Mainly for internal use.
 .
+.TP
 .ESC p
 Break and spread output line.
 .
+.TP
 .ESC r
 Reverse 1\ em vertical motion (reverse line in nroff).
 .
+.TP
 .ESCq R "name\~\[+-]n"
 The same as
 .request .nr
 .I name
 .IR \[+-]n .
 .
+.TP
 .ESC[] s \[+-]N
 Set the point size to
 .I N
@@ -2838,22 +2861,27 @@
 .request ps
 request.
 .
+.TP
 .ESCq S N
 Slant output
 .I N
 degrees.
 .
+.TP
 .ESC t
 Non-interpreted horizontal tab.
 .
+.TP
 .ESC u
 Reverse (up) 1/2 em vertical motion (1/2 line in nroff).
 .
+.TP
 .ESCq v N
 Local vertical motion; move down
 .I N
 (up if negative).
 .
+.TP
 .ESC[] V env
 The contents of the environment variable
 .IR env .
@@ -2863,18 +2891,22 @@
 and
 .escarg V x .
 .
+.TP
 .ESCq w string
 The width of the character sequence
 .IR string .
 .
+.TP
 .ESCq x N
 Extra line-space function (negative before, positive after).
 .
+.TP
 .ESCq X string
 Output
 .I string
 as device control function.
 .
+.TP
 .ESC[] Y name
 Output string variable or macro
 .I name
@@ -2885,11 +2917,13 @@
 and
 .escarg Y x .
 .
+.TP
 .ESC z c
 Print
 .I c
 with zero width (without spacing).
 .
+.TP
 .ESCq Z anything
 Print
 .I anything
@@ -2949,44 +2983,64 @@
 .P
 .PD 0
 .
+.TP
 .ESC (bu
 Bullet sign
+.TP
 .ESC (co
 Copyright
+.TP
 .ESC (ct
 Cent
+.TP
 .ESC (dd
 Double dagger
+.TP
 .ESC (de
 Degree
+.TP
 .ESC (dg
 Dagger
+.TP
 .ESC (rq
 Printable double quote
+.TP
 .ESC (em
 Em-dash
+.TP
 .ESC (hy
 Hyphen
+.TP
 .ESC (rg
 Registered sign
+.TP
 .ESC (rs
 Printable backslash character
+.TP
 .ESC (sc
 Section sign
+.TP
 .ESC (ul
 Underline character
+.TP
 .ESC (==
 Identical
+.TP
 .ESC (>=
 Larger or equal
+.TP
 .ESC (<=
 Less or equal
+.TP
 .ESC (!=
 Not equal
+.TP
 .ESC (->
 Right arrow
+.TP
 .ESC (<-
 Left arrow
+.TP
 .ESC (+-
 Plus-minus sign
 .PD
@@ -3012,6 +3066,7 @@
 .
 The following strings are predefined in groff.
 .
+.TP 10n
 .STRING .T
 The name of the current output device as specified by the
 .option -T
@@ -3066,13 +3121,16 @@
 .P
 .PD 0
 .
+.TP 10n
 .REG .$
 Number of arguments in the current macro or string.
 .
+.TP 10n
 .REG .a
 Post-line extra line-space most recently utilized using
 .escq x N .
 .
+.TP 10n
 .REG .A
 Set to\~1 in
 .B troff
@@ -3081,143 +3139,180 @@
 is used; always\~1 in
 .BR nroff .
 .
+.TP 10n
 .REG .br
 Within a macro, set to\~1 if macro called with the `normal' control
 character, and to\~0 otherwise.
 .
+.TP 10n
 .REG .c
 Current input line number.
 .
+.TP 10n
 .REG .C
 1\~if compatibility mode is in effect, 0\~otherwise.
 .
+.TP 10n
 .REG .cdp
 The depth of the last character added to the current environment.
 It is positive if the character extends below the baseline.
 .
+.TP 10n
 .REG .ce
 The number of lines remaining to be centered, as set by the
 .request ce
 request.
 .
+.TP 10n
 .REG .cht
 The height of the last character added to the current environment.
 It is positive if the character extends above the baseline.
 .
+.TP 10n
 .REG .color
 1\~if colors are enabled, 0\~otherwise.
 .
+.TP 10n
 .REG .csk
 The skew of the last character added to the current environment.
 The skew of a character is how far to the right of the center of a character
 the center of an accent over that character should be placed.
 .
+.TP 10n
 .REG .d
 Current vertical place in current diversion; equal to
 .register nl .
 .
+.TP 10n
 .REG .ev
 The name or number of the current environment (string-valued).
 .
+.TP 10n
 .REG .f
 Current font number.
 .
+.TP 10n
 .REG .fam
 The current font family (string-valued).
 .
+.TP 10n
 .REG .fn
 The current (internal) real font name (string-valued).
 .
+.TP 10n
 .REG .fp
 The number of the next free font position.
 .
+.TP 10n
 .REG .g
 Always 1 in GNU troff.
 .
 Macros should use it to test if running under groff.
 .
+.TP 10n
 .REG .h
 Text base-line high-water mark on current page or diversion.
 .
+.TP 10n
 .REG .H
 Available horizontal resolution in basic units.
 .
+.TP 10n
 .REG .height
 The current font height as set with
 .request \[rs]H .
 .
+.TP 10n
 .REG .hla
 The current hyphenation language as set by the
 .B .hla
 request.
 .
+.TP 10n
 .REG .hlc
 The number of immediately preceding consecutive hyphenated lines.
 .
+.TP 10n
 .REG .hlm
 The maximum allowed number of consecutive hyphenated lines, as set by
 the
 .request hlm
 request.
 .
+.TP 10n
 .REG .hy
 The current hyphenation flags (as set by the
 .request hy
 request).
 .
+.TP 10n
 .REG .hym
 The current hyphenation margin (as set by the
 .request hym
 request).
 .
+.TP 10n
 .REG .hys
 The current hyphenation space (as set by the
 .request hys
 request).
 .
+.TP 10n
 .REG .i
 Current ident.
 .
+.TP 10n
 .REG .in
 The indent that applies to the current output line.
 .
+.TP 10n
 .REG .int
 Positive if last output line contains
 .esc c .
 .
+.TP 10n
 .REG .kern
 1\~if pairwise kerning is enabled, 0\~otherwise.
 .
+.TP 10n
 .REG .l
 Current line length.
 .
+.TP 10n
 .REG .lg
 The current ligature mode (as set by the
 .request lg
 request).
 .
+.TP 10n
 .REG .linetabs
 The current line-tabs mode (as set by the
 .request linetabs
 request).
 .
+.TP 10n
 .REG .ll
 The line length that applies to the current output line.
 .
+.TP 10n
 .REG .lt
 The title length (as set by the
 .request lt
 request).
 .
+.TP 10n
 .REG .m
 The current drawing color (string-valued).
 .
+.TP 10n
 .REG .M
 The current background color (string-valued).
 .
+.TP 10n
 .REG .n
 Length of text portion on previous output line.
 .
+.TP 10n
 .REG .ne
 The amount of space that was needed in the last
 .request ne
@@ -3226,74 +3321,93 @@
 Useful in conjunction with
 .register .trunc .
 .
+.TP 10n
 .REG .ns
 1\~if in no-space mode, 0\~otherwise.
 .
+.TP 10n
 .REG .o
 Current page offset.
 .
+.TP 10n
 .REG .p
 Current page length.
 .
+.TP 10n
 .REG .pe
 1\~during page ejection, 0\~otherwise.
 .
+.TP 10n
 .REG .pn
 The number of the next page: either the value set by a
 .request pn
 request, or the number of the current page plus\ 1.
 .
+.TP 10n
 .REG .ps
 The current pointsize in scaled points.
 .
+.TP 10n
 .REG .psr
 The last-requested pointsize in scaled points.
 .
+.TP 10n
 .REG .pvs
 The current post-vertical line spacing.
 .
+.TP 10n
 .REG .rj
 The number of lines to be right-justified as set by the rj request.
 .
+.TP 10n
 .REG .s
 Current point size as a decimal fraction.
 .
+.TP 10n
 .REG .slant
 The slant of the current font as set with
 .request \[rs]S .
 .
+.TP 10n
 .REG .sr
 The last requested pointsize in points as a decimal fraction
 (string-valued).
 .
+.TP 10n
 .REG .ss
 The value of the parameters set by the first argument of the
 .request ss
 request.
 .
+.TP 10n
 .REG .sss
 The value of the parameters set by the second argument of the
 .request ss
 request.
 .
+.TP 10n
 .REG .sty
 The current font style (string-valued).
 .
+.TP 10n
 .REG .t
 Distance to the next trap.
 .
+.TP 10n
 .REG .T
 Set to\~1
 if option
 .B \-T
 is used.
 .
+.TP 10n
 .REG .tabs
 A string representation of the current tab settings suitable for use
 as an argument to the
 .request ta
 request.
 .
+.TP 10n
 .REG .trunc
 The amount of vertical space truncated by the most recently sprung
 vertical position trap, or, if the trap was sprung by a
@@ -3308,40 +3422,52 @@
 Useful in conjunction with the
 .register .ne .
 .
+.TP 10n
 .REG .u
 Equal to 1 in fill mode and 0 in nofill mode.
 .
+.TP 10n
 .REG .U
 Equal to 1 in safer mode and 0 in unsafe mode.
 .
+.TP 10n
 .REG .v
 Current vertical line spacing.
 .
+.TP 10n
 .REG .V
 Available vertical resolution in basic units.
 .
+.TP 10n
 .REG .vpt
 1\~if vertical position traps are enabled, 0\~otherwise.
 .
+.TP 10n
 .REG .w
 Width of previous character.
 .
+.TP 10n
 .REG .warn
 The sum of the number codes of the currently enabled warnings.
 .
+.TP 10n
 .REG .x
 The major version number.
 .
+.TP 10n
 .REG .y
 The minor version number.
 .
+.TP 10n
 .REG .Y
 The revision number of groff.
 .
+.TP 10n
 .REG .z
 Name of current diversion.
 .PD
 .
+.TP 10n
 .REG .zoom
 Zoom factor for current font (in multiples of 1/1000th; zero if no
 magnification).
@@ -3357,100 +3483,124 @@
 .
 .P
 .PD 0
+.TP 10n
 .REG %
 Current page number.
 .
+.TP 10n
 .REG c.
 Current input line number.
 .
+.TP 10n
 .REG ct
 Character type (set by width function
 .esc w ).
 .
+.TP 10n
 .REG dl
 Maximal width of last completed diversion.
 .
+.TP 10n
 .REG dn
 Height of last completed diversion.
 .
+.TP 10n
 .REG dw
 Current day of week (1-7).
 .
+.TP 10n
 .REG dy
 Current day of month (1-31).
 .
+.TP 10n
 .REG hours
 The number of hours past midnight.
 .
 Initialized at start-up.
 .
+.TP 10n
 .REG hp
 Current horizontal position at input line.
 .
+.TP 10n
 .REG llx
 Lower left x-coordinate (in PostScript units) of a given PostScript
 image (set by
 .request .psbb ).
 .
+.TP 10n
 .REG lly
 Lower left y-coordinate (in PostScript units) of a given PostScript
 image (set by
 .request .psbb ).
 .
+.TP 10n
 .REG ln
 Output line number.
 .
+.TP 10n
 .REG minutes
 The number of minutes after the hour.
 .
 Initialized at start-up.
 .
+.TP 10n
 .REG mo
 Current month (1-12).
 .
+.TP 10n
 .REG nl
 Vertical position of last printed text base-line.
 .
+.TP 10n
 .REG rsb
 Like
 .register sb ,
 but takes account of the heights and depths of characters.
 .
+.TP 10n
 .REG rst
 Like
 .register st ,
 but takes account of the heights and depths of characters.
 .
+.TP 10n
 .REG sb
 Depth of string below base line (generated by width function
 .esc w ).
 .
+.TP 10n
 .REG seconds
 The number of seconds after the minute.
 .
 Initialized at start-up.
 .
+.TP 10n
 .REG skw
 Right skip width from the center of the last character in the
 .esc w
 argument.
 .
+.TP 10n
 .REG slimit
 If greater than 0, the maximum number of objects on the input stack.
 .
 If \[<=]0 there is no limit, i.e., recursion can continue until virtual
 memory is exhausted.
 .
+.TP 10n
 .REG ssc
 The amount of horizontal space (possibly negative) that should be
 added to the last character before a subscript (generated by width
 function
 .esc w ).
 .
+.TP 10n
 .REG st
 Height of string above base line (generated by width function
 .esc w ).
 .
+.TP 10n
 .REG systat
 The return value of the
 .I system()
@@ -3458,19 +3608,23 @@
 .request sy
 request.
 .
+.TP 10n
 .REG urx
 Upper right x-coordinate (in PostScript units) of a given PostScript
 image (set by
 .request .psbb ).
 .
+.TP 10n
 .REG ury
 Upper right y-coordinate (in PostScript units) of a given PostScript
 image (set by
 .request .psbb ).
 .
+.TP 10n
 .REG year
 The current year (year 2000 compliant).
 .
+.TP 10n
 .REG yr
 Current year minus 1900.
 .