=================================================================== RCS file: /cvs/mandoc/mandoc_char.7,v retrieving revision 1.9 retrieving revision 1.10 diff -u -p -r1.9 -r1.10 --- mandoc/mandoc_char.7 2009/07/27 12:02:49 1.9 +++ mandoc/mandoc_char.7 2009/07/27 12:35:53 1.10 @@ -1,4 +1,4 @@ -.\" $Id: mandoc_char.7,v 1.9 2009/07/27 12:02:49 kristaps Exp $ +.\" $Id: mandoc_char.7,v 1.10 2009/07/27 12:35:53 kristaps Exp $ .\" .\" Copyright (c) 2009 Kristaps Dzonsons .\" @@ -23,7 +23,7 @@ .Nd mandoc special characters .\" SECTION .Sh DESCRIPTION -This documents the special characters accepted by +This documents the special characters and predefined strings accepted by .Xr mandoc 1 to format .Xr mdoc 7 @@ -34,12 +34,13 @@ documents. Specific output devices of dictated by the .Fl T Ns Ar output argument, will properly render these sequences. +.\" PARAGRAPH .Pp Both .Xr mdoc 7 and .Xr man 7 -encode these special characters with +encode special characters with .Sq \eX .Pq for a one-character escape , .Sq \e(XX @@ -50,7 +51,30 @@ and One may generalise .Sq \e(XX as -.Sq \e[XX] . +.Sq \e[XX] +and +.Sq \eX +as +.Sq \e[X] . +Predefined strings are functionally similar to special characters, using +.Sq \e*X +.Pq for a one-character escape , +.Sq \e*(XX +.Pq two-character , +and +.Sq \e*[N] +.Pq N-character . +One may generalise +.Sq \e*(XX +as +.Sq \e*[XX] +and +.Sq \e*X +as +.Sq \e*[X] . +.\" SECTION +.Sh Special Characters +These are the preferred input symbols for producing special characters. .\" PARAGRAPH .Pp Typographic: @@ -119,8 +143,6 @@ Enclosures: .Pq right bracket .It \e(lB .Pq left bracket -.It \eq -.Pq double-quote .It \e(lq .Pq left double-quote .It \e(rq @@ -230,7 +252,7 @@ Mathematical: .It \e(if .Pq infinity .It \e(na -.Pq NaN , an extension +.Pq NaN, an extension .It \e(+- .Pq plus-minus .It \e(** @@ -458,6 +480,56 @@ Special symbols: .It \ee .Pq escape .El +.\" SECTION +.Sh PREDEFINED STRINGS +These are not recommended for use, as they differ across +implementations: +.Pp +Mathematical: +.Bl -tag -width Ds -offset indent -compact +.It \e*(Ne +.Pq not equal +.It \e*(Ge +.Pq greater-than-equal +.It \e*(Le +.Pq less-than-equal +.It \e*(Gt +.Pq greater-than +.It \e*(Lt +.Pq greater-than +.It \e*(Pm +.Pq plus-minus +.It \e*(If +.Pq infinity +.It \e*(Pi +.Pq pi +.It \e*(Na +.Pq NaN +.El +.\" PARAGRAPH +.Pp +Special symbols: +.Bl -tag -width Ds -offset indent -compact +.It \e*(Ba +.Pq vertical bar +.It \e*(Am +.Pq ampersand +.El +.\" PARAGRAPH +.Pp +Enclosures: +.Bl -tag -width Ds -offset indent -compact +.It \e*q +.Pq double-quote +.It \e*(Rq +.Pq right-double-quote +.It \e*(Lq +.Pq left-double-quote +.It \e*(lp +.Pq right-parenthesis +.It \e*(rp +.Pq left-parenthesis +.El .\" SECTION .Sh COMPATIBILITY This section documents compatibility of