Technical data

• The number of fonts that will be used simultaneously
Variation in font number and size is affected by the type of application
you run. A desktop publishing application typically requires more fonts
than other types of applications. A software development tool typically
requires fewer fonts than other types of applications.
• The number of frequently used characters in the languages you want to
display
In Asian languages, only a subset of characters are used frequently. The
size of this subset varies from one language to another. For example,
approximately 20,000 standard characters are supported for Taiwan
but only 5,000 of those characters are used frequently. Estimates for
the number of frequently used characters for other Asian countries
are: People’s Republic of China (3000), Korea (2000), and Japan
(2000). Font-cache parameters are tuned to accommodate the subset of
frequently used characters.
To change the cache size (which is the number of cache units) and the
size of each cache unit, you must modify the X server configuration file
/usr/lib/X11/xdm/Xservers. This file contains a line, similar to the
following one, that starts the X server:
:0 local /usr/bin/X11/X
You can modify this line to add definitions for cache size and unit size. For
example:
:0 local /usr/bin/X11/X -cs cache_size -cu unit_size
Table 3–1 describes the options that tune the font-cache mechanism.
3–2 Using Asian Language Support Enhancements for Motif Applications