www-validator@w3.org from February 2018 by subject

About New audio html5 tags and CSS

An Possible Error in need of fixing

Bug report / Question on "Error: JS: SyntaxError: Invalid range in character class."

CSS calc?

error

Errors not showing in Nu Html Checker

Google Font

Invalid error "Attribute allowfullscreen not allowed on element iframe at this point"

Misidentification of page language

Problem with square brackets "[]" in Nu Html Checker. Chinese: Nu Html Checker中方括号“[]”的问题。

Question on Chrome in meta line

Unable to run markup validator

warnings by validation for http://validator.w3.org

Last message date: Tuesday, 27 February 2018 13:26:19 UTC