(glasses-separate-parentheses-exceptions): New. Exceptions to the rule "add

(glasses-separate-parentheses-exceptions): New.  Exceptions to the rule "add
a space between an identifier and an opening parenthesis".  Defaulted to the
`#define' problem of cpp.
(glasses-parenthesis-exception-p): New.	 Check if the region is an exception
regarding to that.
(glasses-make-readable): Use it.
(glasses-convert-to-unreadable): Ditto.  Modify the file also if
`glasses-convert-on-write-p' and `glasses-separate-parentheses-p' are t.