* lisp/vc/diff-mode.el (diff-error): New face (bug#2739). (diff-font-lock-keywords): Use it to highlight lines like "diff: " which are error messages from diff (for instance, when a file doesn't exist).
* lisp/vc/diff-mode.el (diff-error): New face (bug#2739). (diff-font-lock-keywords): Use it to highlight lines like "diff: " which are error messages from diff (for instance, when a file doesn't exist).