* gnus-util.el (gnus-split-references): accept a nil references

[gnus] / lisp / gnus-registry.el

diff --git a/lisp/gnus-registry.el b/lisp/gnus-registry.el
index 0acdb28..35347ae 100644 (file)
--- a/lisp/gnus-registry.el
+++ b/lisp/gnus-registry.el
@@ -369,9 +369,10 @@ See the Info node `(gnus)Fancy Mail Splitting' for more details."
             nnmail-split-fancy-with-parent-ignore-groups
           (list nnmail-split-fancy-with-parent-ignore-groups)))
        references res)
-    (if refstr
+    ;; the references string must be valid and parse to valid references
+    (if (and refstr (gnus-extract-references refstr))
        (progn
-         (setq references (nreverse (gnus-split-references refstr)))
+         (setq references (nreverse (gnus-extract-references refstr)))
          (mapcar (lambda (x)
                    (setq res (or (gnus-registry-fetch-group x) res))
                    (when (or (gnus-registry-grep-in-list