(mh-reply): Rename variant mu-mh to gnu-mh and be explicit about GNU

mailutils MH in docstrings (with thanks to Darel Henman) (closes SF
#1768928).

diff --git a/lisp/mh-e/mh-folder.el b/lisp/mh-e/mh-folder.el
index d857b48..fff0467 100644 (file)
--- a/lisp/mh-e/mh-folder.el
+++ b/lisp/mh-e/mh-folder.el
@@ -1758,7 +1758,7 @@ If UPDATE, append the scan lines, otherwise replace."
       (goto-char scan-start)
       (cond ((looking-at "scan: no messages in")
              (keep-lines mh-scan-valid-regexp)) ; Flush random scan lines
-            ((looking-at (if (mh-variant-p 'mu-mh)
+            ((looking-at (if (mh-variant-p 'gnu-mh)
                              "scan: message set .* does not exist"
                            "scan: bad message list "))
              (keep-lines mh-scan-valid-regexp))