Your Ubuntu 10.04 can recognized Traditional Chinese handwriting now.
Please make sure you are following the (right way of) strokes of the characters. Otherwise, it will not work properly.
Samiux
HOWTO : Traditional Chinese Handwriting on Ubuntu 10.04
Archived thread 1583363 from Hong Kong Team. Markdown source: Hong_Kong_Team/thread_1583363_HOWTO__Traditional_Chinese_Handwriting_on_Ubuntu_1.md