shr.el (shr-tag-label): Add <label> support.

lisp/gnus/ChangeLog

 2010-12-09  Lars Magne Ingebrigtsen  <larsi@gnus.org>
 	* shr.el (shr-tag-script): Ignore <script>.
+	(shr-tag-label): Add <label> support.
 2010-12-09  Katsumi Yamaoka  <yamaoka@jpl.org>

lisp/gnus/shr.el

@@ -644,6 +644,10 @@ ones, in case fg and bg are nil."
 (defun shr-tag-script (cont)
   )
 
+(defun shr-tag-label (cont)
+  (shr-generic cont)
+  (shr-ensure-paragraph))
+
 (defun shr-tag-p (cont)
   (shr-ensure-paragraph)
   (shr-indent)