Clarify documentation for the new pgg method.

[gnus] / lisp / gnus-spec.el

diff --git a/lisp/gnus-spec.el b/lisp/gnus-spec.el
index 6e4f333..5b8bf92 100644 (file)
--- a/lisp/gnus-spec.el
+++ b/lisp/gnus-spec.el
@@ -27,6 +27,9 @@
 
 ;;; Code:
 
+;; For Emacs < 22.2.
+(eval-and-compile
+  (unless (fboundp 'declare-function) (defmacro declare-function (&rest r))))
 (eval-when-compile (require 'cl))
 (defvar gnus-newsrc-file-version)
 
@@ -87,6 +90,9 @@ text properties. This is only needed on XEmacs, as FSF Emacs does this anyway."
 (defvar gnus-tmp-header)
 (defvar gnus-tmp-from)
 
+(declare-function gnus-summary-from-or-to-or-newsgroups "gnus-sum"
+                  (header gnus-tmp-from))
+
 (defun gnus-summary-line-format-spec ()
   (insert gnus-tmp-unread gnus-tmp-replied
          gnus-tmp-score-char gnus-tmp-indentation)
@@ -297,9 +303,7 @@ Return a list of updated types."
 
 (defun gnus-correct-length (string)
   "Return the correct width of STRING."
-  (let ((length 0))
-    (mapcar (lambda (char) (incf length (char-width char))) string)
-    length))
+  (apply #'+ (mapcar #'char-width string)))
 
 (defun gnus-correct-substring (string start &optional end)
   (let ((wstart 0)