Enter a File* (or URL) for a Weblint 1.020 HTML error scan and an HTML listing with error messages in context and tags, URLs, and error messages highlighted in color**.
Weblint gets tougher the further down the Warning Levels menu you go. The Gateway Default omits only quote-attribute-value from the Weblint Default. See the Weblint man page for details.
This gateway uses Ed Kubaitis's gateway code, Neil Bowers' Weblint, Jack Lund's url_get, and Steven Brenner's cgi-lib.pl (2.14).