Log message

- TexyHtmlOutputModule: fixed code formatting in PRE and TEXTAREA
- TexyLinkModule: parse_url replaced with regular expression (parse_url damages
UTF-8)
- Texy: added callback type checking
- updated TexyObject
- fixed bugs in examples

	Modify	/trunk/examples/syntax highlighting/demo-fshl-alt.php	diff
	Modify	/trunk/examples/user syntax/demo.php	diff
	Modify	/trunk/texy/libs/TexyObject.php	diff
	Modify	/trunk/texy/modules/TexyHtmlOutputModule.php	diff
	Modify	/trunk/texy/modules/TexyLinkModule.php	diff
	Modify	/trunk/texy/texy.php	diff