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Diff for /mandoc/roff.7 between version 1.94 and 1.98

version 1.94, 2017/07/05 12:25:17 version 1.98, 2018/08/10 20:40:45
Line 1 
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) 2010,2011,2013-2015,2017 Ingo Schwarze <schwarze@openbsd.org>  .\" Copyright (c) 2010-2018 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 206  Unescaped trailing spaces are stripped from text line 
Line 206  Unescaped trailing spaces are stripped from text line 
 literal context.  literal context.
 In general, trailing whitespace on any input line is discouraged for  In general, trailing whitespace on any input line is discouraged for
 reasons of portability.  reasons of portability.
 In the rare case that a blank character is needed at the end of an  In the rare case that a space character is needed at the end of an
 input line, it may be forced by  input line, it may be forced by
 .Sq \e\ \e& .  .Sq \e\ \e& .
 .Pp  .Pp
Line 665  produces
Line 665  produces
 .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$* is replaced with all the arguments,  Each occurrence of \e\e$* is replaced with all the arguments,
 joined together with single blank characters.  joined together with single space 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 922  The following
Line 922  The following
 .Ar font  .Ar font
 arguments are supported:  arguments are supported:
 .Bl -tag -width 4n -offset indent  .Bl -tag -width 4n -offset indent
 .It Cm B , BI , 3 , 4  .It Cm B , BI , CB , 3 , 4
 switches to  switches to
 .Sy bold  .Sy bold
 font  font
 .It Cm I , 2  .It Cm I , CI , 2
 switches to  switches to
 .Em underlined  .Em underlined
 font  font
 .It Cm R , CW , 1  .It Cm R , CR , CW , 1
 switches to normal font  switches to normal font
 .It Cm P No "or no argument"  .It Cm P No "or no argument"
 switches back to the previous font  switches back to the previous font
Line 1346  Currently unsupported.
Line 1346  Currently unsupported.
 Temporarily turn off line numbering.  Temporarily turn off line numbering.
 Currently unsupported.  Currently unsupported.
 .It Ic \&nop Ar body  .It Ic \&nop Ar body
 Execute the rest of the input line as a request or macro line.  Execute the rest of the input line as a request, macro, or text line,
 Currently unsupported.  skipping the
 .It Ic \&nr Ar register Oo Cm + Ns | Ns Cm - Oc Ns Ar expression  .Ic \&nop
   request and any space characters immediately following it.
   This is mostly used to indent text lines inside macro definitions.
   .It Ic \&nr Ar register Oo Cm + Ns | Ns Cm - Oc Ns Ar expression Op Ar stepsize
 Define or change a register.  Define or change a register.
 A register is an arbitrary string value that defines some sort of state,  A register is an arbitrary string value that defines some sort of state,
 which influences parsing and/or formatting.  which influences parsing and/or formatting.
Line 1360  below.
Line 1363  below.
 If it is prefixed by a sign, the register will be  If it is prefixed by a sign, the register will be
 incremented or decremented instead of assigned to.  incremented or decremented instead of assigned to.
 .Pp  .Pp
   The
   .Ar stepsize
   is used by the
   .Ic \en+
   auto-increment feature.
   It remains unchanged when omitted while changing an existing register,
   and it defaults to 0 when defining a new register.
   .Pp
 The following  The following
 .Ar register  .Ar register
 is handled specially:  is handled specially:
Line 1471  This is a groff extension and currently ignored.
Line 1482  This is a groff extension and currently ignored.
 .It Ic \&rchar Ar glyph ...  .It Ic \&rchar Ar glyph ...
 Remove glyph definitions.  Remove glyph definitions.
 Currently unsupported.  Currently unsupported.
 .It Ic \&rd Op Ar prompt Op Ar agument ...  .It Ic \&rd Op Ar prompt Op Ar argument ...
 Read from standard input.  Read from standard input.
 Currently ignored.  Currently ignored.
 .It Ic \&recursionlimit Ar maxrec maxtail  .It Ic \&recursionlimit Ar maxrec maxtail
Line 1996  and
Line 2007  and
 Character  Character
 .Ar number  .Ar number
 on the current font.  on the current font.
 .Ss \en Ns Bq Ar name  .Ss \en Ns Oo +|- Oc Ns Bq Ar name
 Interpolate the number register  Interpolate the number register
 .Ar name .  .Ar name .
 For short names, there are variants  For short names, there are variants
 .No \en Ns Ar c  .No \en Ns Ar c
 and  and
 .No \en( Ns Ar cc .  .No \en( Ns Ar cc .
   If the optional sign is specified,
   the register is first incremented or decremented by the
   .Ar stepsize
   that was specified in the relevant
   .Ic \&nr
   request, and the changed value is interpolated.
 .Ss \eo\(aq Ns Ar string Ns \(aq  .Ss \eo\(aq Ns Ar string Ns \(aq
 Overstrike, writing all the characters contained in the  Overstrike, writing all the characters contained in the
 .Ar string  .Ar string
Legend:
Removed from v.1.94  
changed lines
  Added in v.1.98
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