Tweaked WikiPage::clear() comment a bit

Change-Id: I9ec27b575de5547d1ab0569c4c2cdd1307f8307a

diff --git a/includes/WikiPage.php b/includes/WikiPage.php
index d3743b5..6c2c6ad 100644 (file)
--- a/includes/WikiPage.php
+++ b/includes/WikiPage.php
@@ -245,7 +245,8 @@ class WikiPage implements Page, IDBAccessObject {
                $this->mIsRedirect = false;
                $this->mLatest = false;
                // Bug 57026: do not clear mPreparedEdit since prepareTextForEdit() already checks
-               // the requested rev ID and immutable content against the cached one.
+               // the requested rev ID and content against the cached one for equality. For most
+               // content types, the output should not change during the lifetime of this cache.
                // Clearing it can cause extra parses on edit for no reason.
        }