Set theme to Clean (and later run this test on theme More too) Switch to an RTL language (Choose: Hebrew or Arabic or Farsi) Make sure the user you are testing with is set to use the Atto editor (See user's personal preferences) Navigate into a test course that has a "News" forum and start a new discussion in that forum. Type (or copy from the Internet / Wikipedia?) some text and format it (set some words to bold and set some other words to color blue. Click the "<>" (HTML) button on the toolbar. (If you can not see it... make it visibly by clicking the icon. Make sure all HTML code is left aligned. (Which is the visual effect of directionality set to LTR)