=head1 NAME
-File::Spec::Unix - methods used by File::Spec
+File::Spec::Unix - File::Spec for Unix, base for other File::Spec modules
=head1 SYNOPSIS
=head1 DESCRIPTION
-Methods for manipulating file specifications.
+Methods for manipulating file specifications. Other File::Spec
+modules, such as File::Spec::Mac, inherit from File::Spec::Unix and
+override specific methods.
=head1 METHODS
=item canonpath
No physical check on the filesystem, but a logical cleanup of a
-path. On UNIX eliminate successive slashes and successive "/.".
+path. On UNIX eliminates successive slashes and successive "/.".
$cpath = File::Spec->canonpath( $path ) ;