Text Layout Framework in Flex 3

* Bidirectional text, vertical text and over 30 languages, like arabic, chinese, devnagari etc............
* Selection, editing and flowing text across multiple columns and linked containers, and around inline images
* Vertical text, Tate-Chu-Yoko (horizontal within vertical text) and justifier for East Asian typography
* Rich typographical controls, including kerning, ligatures, typographic case, digit case, digit width and discretionary hyphens
* Cut, copy, paste, undo and standard keyboard and mouse gestures for editing
* Rich developer APIs to manipulate text content, layout, markup and create custom text components.

To use TLF you need to install Adobe AIR 1.5 or Flex 3.2

More Links:

http://corlan.org/2009/01/19/how-to-use-text-layout-framework-in-flex-32-or-air-15/