This question was posted in response to the following article: http://help.adobe.com/en_US/flex/using/WS2db454920e96a9e51e63e3d11c0bf69084-7d89.html
Does this control enable the showing of a left gutter with line numbers? For example:
I don't think so. A quick review of the properties at http://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/mx/controls/RichTextEdi tor.html#propertySummary doesn't have anything like what you describe.
Senior Content and Community Manager
Adobe Systems Incorporated