User:Makecat/Scripts/rollbacksum

This script allows you to provide additional rollback reason after "Reverted edits by $2 (talk) to last version by $1", like "Reverted edits by $2 (talk) to last version by $1: Unsourced addition". The script is copied from User:Porchcorpter/rollback.js and I made some modifications to it.

Installation
To install the tool with the extra rollback summary button, add the following to your skin.js or common.js file, then bypass your cache: