Synch to No Gnus 200409281458.

[elisp/gnus.git-] / lisp / gnus-util.el

diff --git a/lisp/gnus-util.el b/lisp/gnus-util.el
index b01d06c..2be7de7 100644 (file)
--- a/lisp/gnus-util.el
+++ b/lisp/gnus-util.el
@@ -488,6 +488,16 @@ inside loops."
            ids))
     (nreverse ids)))
 
+(defun gnus-extract-references (references)
+  "Return a list of Message-IDs in REFERENCES (in In-Reply-To
+  format), trimmed to only contain the Message-IDs."
+  (let ((ids (gnus-split-references references)) 
+       refs)
+    (dolist (id ids)
+      (when (string-match "<[^<>]+>" id)
+       (push (match-string 0 id) refs)))
+    refs))
+
 (defsubst gnus-parent-id (references &optional n)
   "Return the last Message-ID in REFERENCES.
 If N, return the Nth ancestor instead."
@@ -1202,7 +1212,7 @@ is run."
   "Delete by side effect any elements of LIST whose car is `equal' to KEY.
 The modified LIST is returned.  If the first member
 of LIST has a car that is `equal' to KEY, there is no way to remove it
-by side effect; therefore, write `(setq foo (remassoc key foo))' to be
+by side effect; therefore, write `(setq foo (gnus-remassoc key foo))' to be
 sure of changing the value of `foo'."
   (when alist
     (if (equal key (caar alist))