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(Undo) <buffer-undo-list>: Describe `apply' elements.

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Kim F. Storm 2005-01-31 23:22:11 +00:00
parent 23c5319c0e
commit e15db17409
1 changed files with 12 additions and 0 deletions
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12
lispref/text.texi
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@ -1208,6 +1208,18 @@ Here's how you might undo the change:
(put-text-property @var{beg} @var{end} @var{property} @var{value})
@end example
@item (apply @var{funname} . @var{args})
This kind of element records a change that can be undone by evaluating
(@code{apply} @var{funname} @var{args}).
@item (apply @var{delta} @var{beg} @var{end} @var{funname} . @var{args})
This kind of element records a change that can be undone by evaluating
(@code{apply} @var{funname} @var{args}). The integer values @var{beg}
and @var{end} is buffer positions of the range affected by this change
and @var{delta} is an integer value which is the number of bytes added
or deleted in that range by this change. This kind of element
supports undo in an active region
@item (@var{marker} . @var{adjustment})
This kind of element records the fact that the marker @var{marker} was
relocated due to deletion of surrounding text, and that it moved