Are you unlucky user of Windows XP English with clean install?
If yes, then probably you cannot see Thai characters in Spark text components (e.g Spark Label) in the following demo:
Code listing: http://gist.github.com/390993
New Flex Spark Label to display text uses the new Flash Text Engine (FTE) [...]
Updated: More recent version of this component was announced at September.
Disclaimer: My implementation of AutoComplete component is based on the revised codebase of AutoComplete 4 component originally created by Tenger Ivan from FlashCommander.org
Two different search modes are supported : PREFIX and INFIX, to see the difference please play with the interactive sample file [...]
