Check for local duplicates in MassMessage extension
completed by: Yaroslav Melnychuk
mentors: Kunal Mehta
The MassMessage extension filters duplicates when processing which pages to submit to.
This checking does not catch when namespaces are changed when using the $wgNamespacesToConvert option.
See this bug report for more information.
Students are required to read Wikimedia's general instructions first. Patches should be submitted to Gerrit and reference the bug report in the commit message.