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With Firefox 11, pages using older versions of the TinyMCE rich text editor will not work properly in rich text mode. This article describes workarounds for website administrators and for users of these websites.
Information for website users
This issue has been fixed in Firefox 12.
Information for website administrators
A rich text editor lets you type formatted text (such as bold, italics) in a form field. They are often used when editing interfaces such as in blogs or forum posts. For instance, TinyMCE is used on platforms such as Prestashop, Drupal, Moodle, concrete5, plone, modx, Mambo, Cascade Server CMS. With Firefox 11, you may see a blank space where text should be and may need to use the HTML view to edit documents.