There seem to be several detailed XML parser error messages that are inserted
into MediaWiki:Importfailed as $1, e.g.
XML import parse failure at line 1, col 1 (byte 0; ":xxxxxxxx-"): Empty document
These appear to be currently not configurable in the MediaWiki name space.
Version: 1.7.x
Severity: enhancement
URL: http://ksh.wikipedia.org/w/index.php?title=Special:Import&action=submit