* A string specifying which image. If it begins with a number, it is
* taken to be a string specifying the image number. Otherwise, it is
* taken to be the name of an image, as specified in the XML data for the
- * WIM file. It also may be the keyword "all", which will resolve to
- * ::WIM_ALL_IMAGES.
+ * WIM file. It also may be the keyword "all" or the string "*", both of
+ * which will resolve to ::WIM_ALL_IMAGES.
*
* @return
* If the string resolved to a single existing image, the number of that