* Makefile (check): New rule.

* Makefile (check): New rule.

* TESTPAT: Add batch testing facility.

* lex.el (lex-use-ccl): Abolished.
(lex-ccl-execute): New variable.
(lex-ccl-use-name): New variable.
(lex-gen-machine): Use `lex-ccl-execute' instead of `lex-use-ccl'.
(lex-gen-ccl-unibyte-automata): Use `lex-ccl-execute' and
`lex-ccl-use-name' for generating codes.
(lex-gen-ccl-unibyte-automata-program): Use `lex-ccl-execute'.