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Diff for /mandoc/roff.7 between version 1.89 and 1.91

version 1.89, 2017/06/14 13:00:31 version 1.91, 2017/06/14 19:39:18
Line 412  Create an alias for a number register.
Line 412  Create an alias for a number register.
 Currently unsupported.  Currently unsupported.
 .It Ic \&als Ar newname oldname  .It Ic \&als Ar newname oldname
 Create an alias for a request, string, macro, or diversion.  Create an alias for a request, string, macro, or diversion.
 Currently unsupported.  
 .It Ic \&am Ar macroname Op Ar endmacro  .It Ic \&am Ar macroname Op Ar endmacro
 Append to a macro definition.  Append to a macro definition.
 The syntax of this request is the same as that of  The syntax of this request is the same as that of
Line 1045  If the first character of
Line 1044  If the first character of
 is  is
 .Sq c  .Sq c
 .Pq character available ,  .Pq character available ,
 .Sq d  
 .Pq string defined ,  
 .Sq e  .Sq e
 .Pq even page ,  .Pq even page ,
 .Sq t  .Sq t
Line 1055  or
Line 1052  or
 .Sq v  .Sq v
 .Pq vroff mode ,  .Pq vroff mode ,
 it evaluates to false.  it evaluates to false.
   .It
   If the first character of
   .Ar condition
   is
   .Sq d ,
   it evaluates to true if the rest of
   .Ar condition
   is the name of an existing user defined macro or string;
   otherwise, it evaluates to false.
 .It  .It
 If the first character of  If the first character of
 .Ar condition  .Ar condition
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Removed from v.1.89  
changed lines
  Added in v.1.91
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