Board Thread:Support Requests - Getting Technical/@comment-5558012-20170509003801/@comment-5558012-20170511194114

No, that changes  value from   (which forces text to appear on one line, with horizontal cursor scrolling) to   (which allows forced line breaks), in order to view/edit an entire edit summary very easily (used with User:DEmersonJMFM/classiceditor.css).

The JS I was referring to is the piece above it that Josephyr wrote. Though the above probably is necessary to take in account in order to create a working solution.