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

020W | Frank Conijn

content-visibility is a valid CSS property (Thursday, 13 August)

Abdoul Osséni

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

KSE1 MOX2 RMNY K5GU

Fomq900729qh1 (Friday, 24 July)

Marcus Rohrmoser

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

Philip Taylor (RHBNC)

Re: [EXT]content-visibility is a valid CSS property (Thursday, 13 August)

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