hierarchies respectively. If two components are present, they locate
the early and late hierarchies. If only one component is present, it
locates the late hierarchy. At run time, the package path may also be
-specified via the `PACKAGEPATH' environment variable.
+specified via the `EMACSPACKAGEPATH' environment variable.
An XEmacs package is laid out just like a normal installed XEmacs
lisp directory. It may have `lisp', `etc', `info', and `lib-src'