Merge from emacs-23

[bpt/emacs.git] / doc / misc / url.texi

diff --git a/doc/misc/url.texi b/doc/misc/url.texi
index a6bbf0b..62ed9d8 100644 (file)
--- a/doc/misc/url.texi
+++ b/doc/misc/url.texi
@@ -22,7 +22,7 @@
 This file documents the Emacs Lisp URL loading package.
 
 Copyright @copyright{} 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2002,
-2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
 
 @quotation
 Permission is granted to copy, distribute and/or modify this document
@@ -731,14 +731,6 @@ directory to store the cache files.  It defaults to sub-directory
 @file{cache} of @code{url-configuration-directory}.
 @end defopt
 
-@c Fixme: function v. option, but neither used.
-@c @findex url-cache-expired
-@c @defopt url-cache-expired
-@c This is a function to decide whether or not a cache entry has expired.
-@c It takes two times as it parameters and returns non-@code{nil} if the
-@c second time is ``too old'' when compared with the first time.
-@c @end defopt
-
 @defopt url-cache-creation-function
 The cache relies on a scheme for mapping URLs to files in the cache.
 This variable names a function which sets the type of cache to use.
@@ -768,6 +760,22 @@ more likely to conflict with other files.
 @end smallexample
 @end defun
 
+@defun url-cache-expired
+This function returns non-nil if a cache entry has expired (or is absent).
+The arguments are a URL and optional expiration delay in seconds
+(default @var{url-cache-expire-time}).
+@end defun
+
+@defopt url-cache-expire-time
+This variable is the default number of seconds to use for the
+expire-time argument of the function @code{url-cache-expired}.
+@end defopt
+
+@defun url-fetch-from-cache
+This function takes a URL as its argument and returns a buffer
+containing the data cached for that URL.
+@end defun
+
 @c Fixme: never actually used currently?
 @c @defopt url-standalone-mode
 @c @cindex Relying on cache