bug#25524: 26.0.50; diff-mode is broken

[Noam Postavsky]

On Wed, Jan 25, 2017 at 11:32 AM, Tino Calancha <tino.calancha@gmail.com> wrote:
>  ;; "index ", "old mode", "new mode", "new file mode" and
> -;; "deleted file mode" are output by git-diff.
> +;; "deleted file mode" are output by git-diff; "Index: " and
> +;; "========..." by SVN.
>  (defconst diff-file-junk-re
> -  "diff \\|index \\|\\(?:deleted file\\|new\\(?: file\\)?\\|old\\) 
> mode\\|=== modified file")
> +  (concat "Index: \\|" (make-string 67 ?=) "\\|"
> +          "diff \\|index \\|\\(?:deleted file\\|new\\(?: file\\)?\\|old\\) 
> mode\\|=== modified file"))

Is it safe to assume exactly 67 "="? Maybe it would be better to use
something like "=\\{20,\\}", i.e. a sequence of 20 or more "=".