Last modified: 2014-08-29 21:51:10 UTC
When you preview a reply, the preview has an additional left indent (and possibly right indent) that doesn't match the actual indent the post will have. This makes it useless when trying to size images, tables, and Stevie Wonder lyrics to fit horizontally.
tracked here: https://trello.com/c/rdTk8UDO
https://gerrit.wikimedia.org/r/155467 fixed this.