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Diff for /mandoc/roff.7 between version 1.98 and 1.99

version 1.98, 2018/08/10 20:40:45 version 1.99, 2018/08/16 14:07:11
Line 86  character, and, in certain circumstances, the tab char
Line 86  character, and, in certain circumstances, the tab char
 The backslash character  The backslash character
 .Sq \e  .Sq \e
 indicates the start of an escape sequence, used for example for  indicates the start of an escape sequence, used for example for
 .Sx Comments ,  .Sx Comments
 .Sx Special Characters ,  
 .Sx Predefined Strings ,  
 and  and
 user-defined strings defined using the  .Sx Special Characters .
 .Sx ds  
 request.  
 For a listing of escape sequences, consult the  For a listing of escape sequences, consult the
 .Sx ESCAPE SEQUENCE REFERENCE  .Sx ESCAPE SEQUENCE REFERENCE
 below.  below.
Line 169  Text decoration is
Line 165  Text decoration is
 recommended for  recommended for
 .Xr mdoc 7 ,  .Xr mdoc 7 ,
 which encourages semantic annotation.  which encourages semantic annotation.
 .Ss Predefined Strings  
 Predefined strings, like  
 .Sx Special Characters ,  
 mark special output glyphs.  
 Predefined strings are escaped with the slash-asterisk,  
 .Sq \e* :  
 single-character  
 .Sq \e*X ,  
 two-character  
 .Sq \e*(XX ,  
 and N-character  
 .Sq \e* Ns Bq N .  
 .Pp  
 Examples:  
 .Bl -tag -width Ds -offset indent -compact  
 .It Li \e*(Am  
 Two-letter ampersand predefined string.  
 .It Li \e*q  
 One-letter double-quote predefined string.  
 .El  
 .Pp  
 Predefined strings are not recommended for use,  
 as they differ across implementations.  
 Those supported by  
 .Xr mandoc 1  
 are listed in  
 .Xr mandoc_char 7 .  
 Manuals using these predefined strings are almost certainly not portable.  
 .Ss Whitespace  .Ss Whitespace
 Whitespace consists of the space character.  Whitespace consists of the space character.
 In text lines, whitespace is preserved within a line.  In text lines, whitespace is preserved within a line.
Line 1867  with two-letter names, see
Line 1835  with two-letter names, see
 .Xr mandoc_char 7 .  .Xr mandoc_char 7 .
 .Ss \e* Ns Bq Ar name  .Ss \e* Ns Bq Ar name
 Interpolate the string with the  Interpolate the string with the
 .Ar name ;  .Ar name .
 see  
 .Sx Predefined Strings  
 and  
 .Sx ds .  
 For short names, there are variants  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 .
   .Pp
   One string is predefined on the
   .Nm
   language level: \e*(.T expands to the name of the output device,
   for example ascii, utf8, ps, pdf, html, or markdown.
   .Pp
   Macro sets traditionally predefine additional strings which are not
   portable and differ across implementations.
   Those supported by
   .Xr mandoc 1
   are listed in
   .Xr mandoc_char 7 .
   .Pp
   Strings can be defined, changed, and deleted with the
   .Ic \&ds ,
   .Ic \&as ,
   and
   .Ic \&rm
   requests.
 .Ss \e,  .Ss \e,
 Left italic correction (groff extension); ignored by  Left italic correction (groff extension); ignored by
 .Xr mandoc 1 .  .Xr mandoc 1 .
Legend:
Removed from v.1.98  
changed lines
  Added in v.1.99
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