-command. Path separators may be forward slashes on UNIX, or either forward
-slashes or backward slashes on Windows. The leading slash is optional.
-
+command. However, path separators may be either forward or backward slashes,
+and the leading slash is optional; also, on Windows, the paths are treated
+case-insensitively, while on UNIX, paths are treated case-sensitively.
+.PP