From b434559af59c78d0f7007fad5431ce19abde76d4 Mon Sep 17 00:00:00 2001
From: Dries Buytaert <dries@buytaert.net>
Date: Fri, 12 Aug 2011 09:36:26 -0400
Subject: - Patch #198855 by dereine, ainigma32, sun: check_markup() hardcodes
 cache expiration.

---
 modules/filter/filter.module | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'modules')

diff --git a/modules/filter/filter.module b/modules/filter/filter.module
index 27ae02cf3..9e1481207 100644
--- a/modules/filter/filter.module
+++ b/modules/filter/filter.module
@@ -760,9 +760,12 @@ function check_markup($text, $format_id = NULL, $langcode = '', $cache = FALSE)
     }
   }
 
-  // Store in cache with a minimum expiration time of 1 day.
+  // Cache the filtered text. This cache is infinitely valid. It becomes
+  // obsolete when $text changes (which leads to a new $cache_id). It is
+  // automatically flushed when the text format is updated.
+  // @see filter_format_save()
   if ($cache) {
-    cache_set($cache_id, $text, 'cache_filter', REQUEST_TIME + (60 * 60 * 24));
+    cache_set($cache_id, $text, 'cache_filter');
   }
 
   return $text;
-- 
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