Some language scripts are typographically more complex, such as Arabic, Indian and Thai and require an other graphical text processing tool in the CWT. The text processing tool is called Uniscribe. This processing tool requires more of the CWT resources and can therefore be switched on and off.
If typographically complex language scripts are used the processing tool Uniscribe has to be used. This is done in the renderGraphics property in the Core section of the cwtconfig.xml file.
<CORE renderGraphics="UniScribe"/>
Typographically complex language scripts may require new fonts. see Install additional fonts in CWT
reboot
When setting this options the CWT has to reboot two times for the option to become active.