Clarify Gnus doc string

* lisp/gnus/gnus-cite.el (gnus-article-fill-cited-article):
Clarify doc string (bug#24578).

diff --git a/lisp/gnus/gnus-cite.el b/lisp/gnus/gnus-cite.el
index d7dc0897a5cc23ee7f97ff6c69880d2954849f68..bbf9e527db717c1b86b28a07a4df534f611f60ee 100644 (file)
--- a/lisp/gnus/gnus-cite.el
+++ b/lisp/gnus/gnus-cite.el
@@ -481,8 +481,13 @@ Lines matching `gnus-cite-attribution-suffix' and perhaps
 (defun gnus-article-fill-cited-article (&optional width long-lines)
   "Do word wrapping in the current article.
 If WIDTH (the numerical prefix), use that text width when
-filling.  If LONG-LINES, only fill sections that have lines
-longer than the frame width."
+filling.
+
+If LONG-LINES, only fill sections that have lines longer than the
+frame width.
+
+Sections that are heuristically interpreted as not being
+text (i.e., computer code and the like) will not be folded."
   (interactive "P")
   (with-current-buffer gnus-article-buffer
     (let ((buffer-read-only nil)