Link to specific revision id in hidden comment for MassMessage extension
completed by: Theo Patt
mentors: Kunal Mehta
MassMessage adds a hidden comment when leaving a message, which includes a link to the list that was used.
This link should include the specific revision id that was used.
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.