Compounding the fact that Myanmar experienced sanctions from the West, this had resulted in much of the Burmese localization technology being developed locally without external cooperation. Furthermore, there were significant revisions in Unicode's implementation of Burmese script up until Unicode 5.1 in 2008. The support for complex text rendering for personal computers did not arrive until Windows XP Service Pack 2 in 2004, and a Burmese font utilizing this technology did not exist until 2005. Unicode incompatibility (ad hoc font encodings)īurmese script is a complex text layout script, whereby the positions and shapes of its graphemes vary based on context.