|Not exactly sure if Seijurou is referring to the same thing I am, but....
When posts containing symbols are quoted, for example, ones that contain quotation marks, ampersands, and others... the quoted material changes. You are able to edit the post yourself to what the quoted material actually was. It's not really a big deal, but yeah.
You can see examples here.
Quote from LawX
You are like the dense main character in a shoujo manga.
Quote from Crenshinibon
And you will murder someone one day, pika. If you're my daughter.