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1.
▲
Tell HN: Jigsaw.w3.org Is Down
(jigsaw.w3.org)
1 point
nateb2022
3 years ago
discuss
2.
▲
Ask HN: Are Emojis valid CSS selectors?
2 points
asciiresort
4 years ago
1 comment
3.
▲
W3C Validation of Twitter Bootstrap's CSS - 975 errors
(jigsaw.w3.org)
2 points
antoviaque
14 years ago
discuss
4.
▲
Jigsaw
(jigsaw.w3.org)
2 points
slowenough
7 years ago
discuss
5.
▲
W3c homepage doesn't pass its own validation test
(jigsaw.w3.org)
1 point
jfaucett
14 years ago
discuss