disabled, and don't wrap HTML-syntax definition lists in paragraphs.
* (bug 41409) Diffs while editing an old revision should again diff against the
current revision.
+* (bug 41494) Honor $wgLogExceptionBacktrace when logging non-API exceptions
+ caught during API execution.
=== API changes in 1.21 ===
* prop=revisions can now report the contentmodel and contentformat, see docs/contenthandler.txt