validity checker造句

The HTML syntax validity checker displays a smiley face in the Status Bar and also, optionally, in the Toolbar.
iCab has features for website developers, including an HTML validity checker, an automatic page refresh option, a Web Inspector, DOM Inspector, JavaScript debugger, and a Console . iCab's " Automatic Update " option, for any page it is rendering directly from the local hard disk, will automatically reload the page when changes are saved to disk.
It's difficult to find validity checker in a sentence. 用validity checker造句挺难的