Sometimes @code{compilation-error-regexp-alist} doesn't correctly
determine the filename that is the source of the error. Use user option
@code{compilation-transform-file-match-alist} to make any necessary
-adjustments, such as adding or changing a directory component.
+adjustments, such as adding or changing a directory component, or even
+considering certain compiler messages not error messages at all.
@findex compilation-next-error
@findex compilation-previous-error