If @var{value1} is a relative value for the face attribute
@var{attribute}, returns it merged with the underlying value
@var{value2}; otherwise, if @var{value1} is an absolute value for the
-face a attribute @var{attribute}, returns @var{value1} unchanged.
+face attribute @var{attribute}, returns @var{value1} unchanged.
@end defun
@defun set-face-foreground face color &optional frame
@item :margin @var{margin}
The @code{:margin} property specifies how many pixels to add as an
-extra margin around the image. The value, @var{margin}, must be a a
+extra margin around the image. The value, @var{margin}, must be a
non-negative number, or a pair @code{(@var{x} . @var{y})} of such
numbers. If it is a pair, @var{x} specifies how many pixels to add
horizontally, and @var{y} specifies how many pixels to add vertically.