Be more permissive when interpreting IMAP mail headers

* lisp/gnus/nnimap.el (nnimap-transform-headers): Some mail
doesn't have space after the colon of the header name.  Don't
ignore these.

diff --git a/lisp/gnus/nnimap.el b/lisp/gnus/nnimap.el
index 1ec5522831dab914af5e5f4bfb1c10e7320a609d..856ac75cd66c1ead9fec06c80b1bcd10d9dee1f7 100644 (file)
--- a/lisp/gnus/nnimap.el
+++ b/lisp/gnus/nnimap.el
@@ -271,8 +271,8 @@ textual parts.")
                (save-excursion
                  (forward-line)
                  (null (looking-at-p
-                        ;; We're expecting a mail header.
-                        "^[!-9;-~]+:[[:space:]]"))))
+                        ;; We're expecting a mail-ish header.
+                        "^[!-9;-~]+:[[:space:]]?"))))
            (delete-region (line-beginning-position)
                           (1+ (line-end-position)))
          (setq lines nil)