This patch is available from any info-mac mirror site. The lower 128 characters are the normal Latin characters. Let's see step by step some basics for the fonts on X - windows system. When yoy run an X-client by default it looks in several places to find the fonts which are goinf to be used. But you can install your new fonts anywhere.
Fonts can come in different formats.
This file maps the name of the requested font to the filename of the font as it is stored in the filesystem. If there is no match, the client reverts t its own defaults. The fonts.dir file is needed because some operating systems have restrictions on filenames. Its presence is required for the server to access any fonts within a directory. To create it , simply type mkfontdir from within the directory containing the new fonts.