http://www.screencast.com/users/byankno1/folders/Jing/media/955bc702-280f-4151-9753-f33e27c9541e
Look at how it changed the regular text to dark black text. This has been happening randomly, but I finally caught one to screenshot. It’s not just in spellchecker. It also happens on some articles in Guided editor, when trying to edit.
(standard question) Which browser and version are you using?
Traditionally, and when most often happens Internet Explorer 9, but sometimes it even happens on Firefox 11.
