supported. Otherwise it returns an image descriptor.
@end defun
-@defmac defimage variable doc &rest specs
+@defmac defimage symbol specs &optional doc
@tindex defimage
-This macro defines @var{variable} as an image name. The second argument,
-@var{doc}, is an optional documentation string. The remaining
-arguments, @var{specs}, specify alternative ways to display the image.
+This macro defines @var{symbol} as an image name. The arguments
+@var{specs} is a list which specifies how to display the image.
+The third argument, @var{doc}, is an optional documentation string.
Each argument in @var{specs} has the form of a property list, and each
-one should specify at least the @code{:type} property and the
-@code{:file} property. Here is an example:
+one should specify at least the @code{:type} property and either the
+@code{:file} or the @code{:data} property. The value of @code{:type}
+should be a symbol specifying the image type, the value of
+@code{:file} is the file to load the image from, and the value of
+@code{:data} is a string containing the actual image data. Here is an
+example:
@example
(defimage test-image
@code{defimage} tests each argument, one by one, to see if it is
usable---that is, if the type is supported and the file exists. The
first usable argument is used to make an image descriptor which is
-stored in the variable @var{variable}.
+stored in @var{symbol}.
-If none of the alternatives will work, then @var{variable} is defined
+If none of the alternatives will work, then @var{symbol} is defined
as @code{nil}.
@end defmac