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Diff for /mandoc/roff.7 between version 1.71 and 1.75

version 1.71, 2015/04/29 18:35:00 version 1.75, 2015/09/24 18:41:22
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Line 1 
 .\"     $Id$  .\"     $Id$
 .\"  .\"
 .\" 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  .\" Permission to use, copy, modify, and distribute this software for any
 .\" purpose with or without fee is hereby granted, provided that the above  .\" purpose with or without fee is hereby granted, provided that the above
Line 665  produces
Line 665  produces
 .D1 \efI\e^XtFree\e^\efP.  .D1 \efI\e^XtFree\e^\efP.
 .Pp  .Pp
 in the input stream, and thus in the output: \fI\^XtFree\^\fP.  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  .Pp
 Since macros and user-defined strings share a common string table,  Since macros and user-defined strings share a common string table,
 defining a macro  defining a macro
Line 1057  If the first character of COND is
Line 1059  If the first character of COND is
 .Pq string defined ,  .Pq string defined ,
 .Sq e  .Sq e
 .Pq even page ,  .Pq even page ,
 .Sq r  
 .Pq register accessed ,  
 .Sq t  .Sq t
 .Pq troff mode ,  .Pq troff mode ,
 or  or
Line 1066  or
Line 1066  or
 .Pq vroff mode ,  .Pq vroff mode ,
 COND evaluates to false.  COND evaluates to false.
 .It  .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  If COND starts with a parenthesis or with an optionally signed
 integer number, it is evaluated according to the rules of  integer number, it is evaluated according to the rules of
 .Sx Numerical expressions  .Sx Numerical expressions
Line 1337  Currently unsupported.
Line 1342  Currently unsupported.
 Temporarily turn off line numbering.  Temporarily turn off line numbering.
 Currently unsupported.  Currently unsupported.
 .Ss \&nop  .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.  Currently unsupported.
 .Ss \&nr  .Ss \&nr
 Define or change a register.  Define or change a register.
Line 1579  Set tab stops.
Line 1584  Set tab stops.
 Takes an arbitrary number of arguments.  Takes an arbitrary number of arguments.
 Currently unsupported.  Currently unsupported.
 .Ss \&tc  .Ss \&tc
 Change tab repetion character.  Change tab repetition character.
 Currently unsupported.  Currently unsupported.
 .Ss \&TE  .Ss \&TE
 End a table context.  End a table context.
Line 1679  Notify on change of string or macro.
Line 1684  Notify on change of string or macro.
 This is a Heirloom extension and currently ignored.  This is a Heirloom extension and currently ignored.
 .Ss \&watchlength  .Ss \&watchlength
 On change, report the contents of macros and strings  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.  This is a Heirloom extension and currently ignored.
 .Ss \&watchn  .Ss \&watchn
 Notify on change of register.  Notify on change of register.
Line 1774  minimum (not available in C)
Line 1779  minimum (not available in C)
 maximum (not available in C)  maximum (not available in C)
 .El  .El
 .Pp  .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.  except when subexpressions are enclosed in parantheses.
 Inside parentheses, whitespace is ignored.  Inside parentheses, whitespace is ignored.
 .Sh ESCAPE SEQUENCE REFERENCE  .Sh ESCAPE SEQUENCE REFERENCE
Line 1834  For short names, there are variants
Line 1839  For short names, there are variants
 .No \e* Ns Ar c  .No \e* Ns Ar c
 and  and
 .No \e*( Ns Ar cc .  .No \e*( Ns Ar cc .
   .Ss \e,
   Left italic correction (groff extension); ignored by
   .Xr mandoc 1 .
 .Ss \e-  .Ss \e-
 Special character  Special character
 .Dq mathematical minus sign .  .Dq mathematical minus sign .
   .Ss \e/
   Right italic correction (groff extension); ignored by
   .Xr mandoc 1 .
 .Ss \e[ Ns Ar name ]  .Ss \e[ Ns Ar name ]
 .Sx Special Characters  .Sx Special Characters
 with names of arbitrary length, see  with names of arbitrary length, see
Legend:
Removed from v.1.71  
changed lines
  Added in v.1.75
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