link to http://mdocml.bsd.lv/mdoc/ below SEE ALSO;

[mandoc.git] / roff.7

diff --git a/roff.7 b/roff.7
index dc39b69bb56b3b3bf29d9a8dee0f1648152947b8..114f63eddd20dc096e3e077f1ccc34b08e47ebb6 100644 (file)
--- a/roff.7
+++ b/roff.7
@@ -1,7 +1,7 @@
-.\"    $Id: roff.7,v 1.70 2015/02/17 17:16:52 schwarze Exp $
+.\"    $Id: roff.7,v 1.75 2015/09/24 18:41:22 schwarze Exp $

 .\"
 .\" Copyright (c) 2010, 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>
 .\"
 .\" Copyright (c) 2010, 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv>

-.\" Copyright (c) 2010, 2011, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
+.\" Copyright (c) 2010, 2011, 2013-2015 Ingo Schwarze <schwarze@openbsd.org>

 .\"
 .\" Permission to use, copy, modify, and distribute this software for any
 .\" purpose with or without fee is hereby granted, provided that the above
 .\"
 .\" Permission to use, copy, modify, and distribute this software for any
 .\" purpose with or without fee is hereby granted, provided that the above


@@ -15,7 +15,7 @@
 .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\"
 .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\"

-.Dd $Mdocdate: February 17 2015 $
+.Dd $Mdocdate: September 24 2015 $

 .Dt ROFF 7
 .Os
 .Sh NAME
 .Dt ROFF 7
 .Os
 .Sh NAME


@@ -665,6 +665,8 @@ produces
 .D1 \efI\e^XtFree\e^\efP.
 .Pp
 in the input stream, and thus in the output: \fI\^XtFree\^\fP.
 .D1 \efI\e^XtFree\e^\efP.
 .Pp
 in the input stream, and thus in the output: \fI\^XtFree\^\fP.

+Each occurrence of \e\e$* is replaced with all the arguments,
+joined together with single blank characters.

 .Pp
 Since macros and user-defined strings share a common string table,
 defining a macro
 .Pp
 Since macros and user-defined strings share a common string table,
 defining a macro


@@ -1057,8 +1059,6 @@ If the first character of COND is
 .Pq string defined ,
 .Sq e
 .Pq even page ,
 .Pq string defined ,
 .Sq e
 .Pq even page ,

-.Sq r
-.Pq register accessed ,

 .Sq t
 .Pq troff mode ,
 or
 .Sq t
 .Pq troff mode ,
 or


@@ -1066,6 +1066,11 @@ or
 .Pq vroff mode ,
 COND evaluates to false.
 .It
 .Pq vroff mode ,
 COND evaluates to false.
 .It

+If the first character of COND is
+.Sq r ,
+it evaluates to true if the rest of COND is the name of an existing
+number register; otherwise, it evaluates to false.
+.It

 If COND starts with a parenthesis or with an optionally signed
 integer number, it is evaluated according to the rules of
 .Sx Numerical expressions
 If COND starts with a parenthesis or with an optionally signed
 integer number, it is evaluated according to the rules of
 .Sx Numerical expressions


@@ -1337,7 +1342,7 @@ Currently unsupported.
 Temporarily turn off line numbering.
 Currently unsupported.
 .Ss \&nop
 Temporarily turn off line numbering.
 Currently unsupported.
 .Ss \&nop

-Exexute the rest of the input line as a request or macro line.
+Execute the rest of the input line as a request or macro line.

 Currently unsupported.
 .Ss \&nr
 Define or change a register.
 Currently unsupported.
 .Ss \&nr
 Define or change a register.


@@ -1579,7 +1584,7 @@ Set tab stops.
 Takes an arbitrary number of arguments.
 Currently unsupported.
 .Ss \&tc
 Takes an arbitrary number of arguments.
 Currently unsupported.
 .Ss \&tc

-Change tab repetion character.
+Change tab repetition character.

 Currently unsupported.
 .Ss \&TE
 End a table context.
 Currently unsupported.
 .Ss \&TE
 End a table context.


@@ -1679,7 +1684,7 @@ Notify on change of string or macro.
 This is a Heirloom extension and currently ignored.
 .Ss \&watchlength
 On change, report the contents of macros and strings
 This is a Heirloom extension and currently ignored.
 .Ss \&watchlength
 On change, report the contents of macros and strings

-up to the sepcified length.
+up to the specified length.

 This is a Heirloom extension and currently ignored.
 .Ss \&watchn
 Notify on change of register.
 This is a Heirloom extension and currently ignored.
 .Ss \&watchn
 Notify on change of register.


@@ -1774,7 +1779,7 @@ minimum (not available in C)
 maximum (not available in C)
 .El
 .Pp
 maximum (not available in C)
 .El
 .Pp

-There is no concept of precendence; evaluation proceeds from left to right,
+There is no concept of precedence; evaluation proceeds from left to right,

 except when subexpressions are enclosed in parantheses.
 Inside parentheses, whitespace is ignored.
 .Sh ESCAPE SEQUENCE REFERENCE
 except when subexpressions are enclosed in parantheses.
 Inside parentheses, whitespace is ignored.
 .Sh ESCAPE SEQUENCE REFERENCE


@@ -1834,9 +1839,15 @@ For short names, there are variants
 .No \e* Ns Ar c
 and
 .No \e*( Ns Ar cc .
 .No \e* Ns Ar c
 and
 .No \e*( Ns Ar cc .

+.Ss \e,
+Left italic correction (groff extension); ignored by
+.Xr mandoc 1 .

 .Ss \e-
 Special character
 .Dq mathematical minus sign .
 .Ss \e-
 Special character
 .Dq mathematical minus sign .

+.Ss \e/
+Right italic correction (groff extension); ignored by
+.Xr mandoc 1 .

 .Ss \e[ Ns Ar name ]
 .Sx Special Characters
 with names of arbitrary length, see
 .Ss \e[ Ns Ar name ]
 .Sx Special Characters
 with names of arbitrary length, see


@@ -2028,10 +2039,7 @@ Print
 with zero width and height; ignored by
 .Xr mandoc 1 .
 .Ss \ez
 with zero width and height; ignored by
 .Xr mandoc 1 .
 .Ss \ez

-Output the next character without advancing the cursor position;
-approximated in
-.Xr mandoc 1
-by simply skipping the next character.
+Output the next character without advancing the cursor position.

 .Sh COMPATIBILITY
 The
 .Xr mandoc 1
 .Sh COMPATIBILITY
 The
 .Xr mandoc 1