Merge "PPAccum_Hash -> PPDAccum_Hash"

diff --cc includes/parser/Preprocessor_Hash.php
index dae6335,d928d64..a5b6b43
--- 1/includes/parser/Preprocessor_Hash.php
--- 2/includes/parser/Preprocessor_Hash.php
+++ b/includes/parser/Preprocessor_Hash.php
@@@ -867,10 -867,10 +867,10 @@@ class PPDAccum_Hash 
        }
  
        /**
-        * Append a PPAccum_Hash
+        * Append a PPDAccum_Hash
         * Takes over ownership of the nodes in the source argument. These nodes may
         * subsequently be modified, especially nextSibling.
 -       * @param PPAccum_Hash $accum
 +       * @param PPDAccum_Hash $accum
         */
        function addAccum( $accum ) {
                if ( $accum->lastNode === false ) {