Issues

• [css-syntax] Automatically trim leading/trailing whitespace from <declaration-value>/etc

  Agenda+css-syntax-3
  w3c/csswg-drafts#14653 · Filter by author tabatkins opened on Oct 22, 2026

• Confusing wording in "Consume a qualified rule" algorithm, regarding "nested declarations rules"

  Closed Accepted as Obvious Bugfixcss-syntax-3
  w3c/csswg-drafts#14640 · Filter by author navnavnav opened on Oct 20, 2026
  2

• [css-mixins] Types for private properties (in mixins and elsewhere) and probably function locals

  Agenda+ TPACcss-mixins-1css-mixins-2css-syntax-3
  w3c/csswg-drafts#14442 · Filter by author tabatkins opened on Sep 3, 2026
  9

• [css-syntax] Allow empty values for every production produced by #

  css-syntax-3
  w3c/csswg-drafts#13851 · Filter by author LeaVerou opened on Apr 28, 2026
  1

• [css-syntax-3][css-cascade][css-conditional] Missing definition of <declaration>

  css-cascade-4css-cascade-5css-conditional-3css-conditional-5css-syntax-3editorial
  w3c/csswg-drafts#13003 · Filter by author SebastianZ opened on Oct 22, 2025
  4

• [css-values-5] A way to dynamically construct function calls (<dashed-function> etc)

  css-mixins-1css-syntax-3css-values-5
  w3c/csswg-drafts#12806 · Filter by author LeaVerou opened on Sep 16, 2025
  3

• [selectors-5][css-syntax] Resolve to use '/' [<ident> | <function>] '/' syntax for all future combinators (except for good reason)

  css-syntax-3Needs Editsselectors-5
  w3c/csswg-drafts#12451 · Filter by author LeaVerou opened on Jul 6, 2025
  4

• [css-syntax-3] Should forgiving grammars allow bad tokens?

  css-syntax-3
  w3c/csswg-drafts#11966 · Filter by author cdoublev opened on Mar 19, 2025

• [css-syntax] Syntax document rewrite undid (parts of) #132

  css-syntax-3
  w3c/csswg-drafts#11923 · Filter by author wolfbeast opened on Mar 12, 2025

• [css-syntax-3] Allow positioned {}-block in @property/initial-value

  css-syntax-3
  w3c/csswg-drafts#11737 · Filter by author cdoublev opened on Feb 18, 2025
  3

• [css-syntax-3][cssom-1] Escape custom property name

  css-syntax-3cssom-1
  w3c/csswg-drafts#11729 · Filter by author cdoublev opened on Feb 17, 2025

• [css-syntax-3] Should a declaration value be consumed as a <declaration-value>?

  Closed as Question Answeredcss-syntax-3
  w3c/csswg-drafts#11315 · Filter by author cdoublev opened on Dec 3, 2024
  3

• [css-syntax-3] Should <declaration-value> embed semantics?

  css-syntax-3
  w3c/csswg-drafts#11296 · Filter by author cdoublev opened on Nov 29, 2024
  5

• [css-syntax-3] Should declarations interleaved by an invalid rule be separated?

  css-syntax-3
  w3c/csswg-drafts#11271 · Filter by author cdoublev opened on Nov 25, 2024
  1

• [mediaqueries] Spec has conflicting info on whether or not <media-query-list> allows trailing commas

  css-syntax-3
  w3c/csswg-drafts#11254 · Filter by author Psychpsyo opened on Nov 21, 2024
  8

• [css-syntax-3] Tokenize comments into whitespaces

  css-syntax-3
  w3c/csswg-drafts#11252 · Filter by author cdoublev opened on Nov 20, 2024

• [css-syntax-3] How to specify grammar for rules?

  css-syntax-3
  w3c/csswg-drafts#11241 · Filter by author cdoublev opened on Nov 19, 2024

• [css-syntax-3] "Consume a block's contents" leaves decls list with

  css-syntax-3
  w3c/csswg-drafts#11017 · Filter by author AtkinsSJ opened on Oct 10, 2024
  7

• [css-syntax] Missing emoji in non-ascii identifier codepoints

  css-syntax-3
  w3c/csswg-drafts#11005 · Filter by author Conaclos opened on Oct 4, 2024
  5

• [css-syntax] Do token streams vend component values?

  css-syntax-3
  w3c/csswg-drafts#10863 · Filter by author amn opened on Sep 10, 2024
  1

• Allow comment indicators (/* and */) to be nested.

  css-syntax-3
  w3c/csswg-drafts#10768 · Filter by author beedell-roke opened on Aug 22, 2024
  10

• [css-syntax] Tokenizer and whitespace concatenation

  css-syntax-3
  w3c/csswg-drafts#10640 · Filter by author mdubet opened on Jul 29, 2024
  1

• [css-cascade][css-syntax] Global revert-rule keyword that works like revert-layer but for the current rule only

  css-cascade-4css-syntax-3Needs Edits
  w3c/csswg-drafts#10443 · Filter by author LeaVerou opened on Jun 13, 2024
  32

• [css-syntax] "Consume a declaration" (5.5.6) leaves out a final "else" condition?

  css-syntax-3
  w3c/csswg-drafts#10353 · Filter by author amn opened on May 20, 2024

• [css-syntax] Should numbers have type integer whenever the actual value is an integer?

  css-syntax-3css-values-4Needs Edits
  w3c/csswg-drafts#10238 · Filter by author romainmenke opened on Apr 21, 2024
  16