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+2022-08-27  Jay Berkenbilt  <ejb@ql.org>
+
+        * From m-holger: major refactoring of QPDFTokenizer to improve
+        readability and to optimize performance. This also included some
+        optimizations to some InputSource classes. Thanks for this
+        excellent contribution. Fixes #749, #442.
+
 2022-08-07  Jay Berkenbilt  <ejb@ql.org>
 
         * Add new build configuration option ENABLE_QTC, which is off by