/[emacs]/emacs/lispref/text.texi
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revision 1.96 by rms, Thu Mar 17 23:30:15 2005 UTC revision 1.97 by rms, Thu Mar 17 23:51:04 2005 UTC
# Line 1228  relocated due to deletion of surrounding Line 1228  relocated due to deletion of surrounding
1228  @var{adjustment} character positions.  Undoing this element moves  @var{adjustment} character positions.  Undoing this element moves
1229  @var{marker} @minus{} @var{adjustment} characters.  @var{marker} @minus{} @var{adjustment} characters.
1230    
1231    @item (apply @var{funname} . @var{args})
1232    This is an extensible undo item, which is undone by calling
1233    @var{funname} with arguments @var{args}.
1234    
1235    @item (apply @var{delta} @var{beg} @var{end} @var{funname} . @var{args})
1236    This is an extensible undo item, which records a change limited to the
1237    range @var{beg} to @var{end}, which increased the size of the buffer
1238    by @var{delta}.  It is undone by calling @var{funname} with arguments
1239    @var{args}.
1240    
1241  @item nil  @item nil
1242  This element is a boundary.  The elements between two boundaries are  This element is a boundary.  The elements between two boundaries are
1243  called a @dfn{change group}; normally, each change group corresponds to  called a @dfn{change group}; normally, each change group corresponds to

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