`doc/lispintro' holds the source code for the Introduction to Programming
in Emacs Lisp manual.
`msdos' holds configuration files for compiling Emacs under MSDOG.
+`nextstep' holds instructions and some other files for compiling the
+ Nextstep port of Emacs, for GNUStep and Mac OS X Cocoa.
`nt' holds various command files and documentation files that pertain
to building and running Emacs on Windows 9X/ME/NT/2000/XP.
`test' holds tests for various aspects of Emacs's functionality.