-size. The default compression parameters are used. Most compression
-programs let you override these by setting a program-specific
-environment variable. For example, with @command{gzip} you can set
-@env{GZIP}:
-
-@smallexample
-$ @kbd{GZIP='-9 -n' tar czf archive.tar.gz subdir}
-@end smallexample
-Another way would be to use the @option{-I} option instead (see
+size. The default compression parameters are used.
+You can override them by using the @option{-I} option (see