(defun parse-colon-path (cd-path)
"Explode a search path into a list of directory names.
-Directories are separated by occurrences of `path-separator'."
+Directories are separated by occurrences of `path-separator'
+\(which is colon in GNU and GNU-like systems)."
;; We could use split-string here.
(and cd-path
(let (cd-list (cd-start 0) cd-colon)
"Make DIR become the current buffer's default directory.
If your environment includes a `CDPATH' variable, try each one of
that list of directories (separated by occurrences of
-`path-separator') when resolving a relative directory name."
+`path-separator') when resolving a relative directory name.
+The path separator is colon in GNU and GNU-like systems."
(interactive
(list (read-directory-name "Change default directory: "
default-directory default-directory