The most important difference between LATEX~2.09 and LATEX2e<#14#><#14#> is the
way that fonts are selected. In LATEX~2.09, the Computer Modern fonts
were built into the LATEX~format, and so customizing LATEX<#15#><#15#> to use
other fonts was a major effort.
In LATEX2e, very few fonts are built into the format, and there are
commands to load new text and math fonts. Packages such as |times| or
|latexsym| allow authors to access these fonts.
This document describes how to write similar font-loading packages.
The LATEX2e<#16#><#16#> font selection system was first released as the `New Font
Selection Scheme' (NFSS) in 1989, and then in release~2 in 1993.
LATEX2e<#17#><#17#> includes NFSS release~2 as standard.