www-validator@w3.org from August 2026 by thread

Atom RFC4287 validator: false positive <title>me &amp; Bobby Mcgee</title> Marcus Rohrmoser (Thursday, 20 August)

content-visibility is a valid CSS property 020W | Frank Conijn (Thursday, 13 August)

False positive on rel="alternate" hreflang with self-referencing canonical? Abdoul Osséni (Sunday, 9 August)

Fomq900729qh1 KSE1 MOX2 RMNY K5GU (Friday, 24 July)

Last message date: Thursday, 20 August 2026 16:49:32 UTC