* text.texi (Insertion): Refine.
(Margins): Add an index.
+ (Undo): Doc fix for `buffer-undo-list'.
* positions.texi (Character Motion):
* markers.texi (Moving Markers):
@item (apply @var{delta} @var{beg} @var{end} @var{funname} . @var{args})
This is an extensible undo item, which records a change limited to the
range @var{beg} to @var{end}, which increased the size of the buffer
-by @var{delta}. It is undone by calling @var{funname} with arguments
-@var{args}.
+by @var{delta} bytes. It is undone by calling @var{funname} with
+arguments @var{args}.
This kind of element enables undo limited to a region to determine
whether the element pertains to that region.
@table @code
@cindex property category of text character
+@c FIXME: Isn't @kindex for keyboard commands?
@kindex category @r{(text property)}
@item category
If a character has a @code{category} property, we call it the