css3-color issues list

The css3-color specification defines color values and color-related properties.

Current Issues

The following are known problems in the 21 July 2008 css3-color Last Call Working Draft.

See the released and development versions of the test suite for the “Tests” references.

Issue 1

Summary: css3-color should have a useful index or it should be removed
Raised by: David Baron
URL: N/A
Proposed Resolution: improve index
Status: editorial, spec edited to improve index

Issue 2

Summary: restructure TOC
Raised by: Christolph Päper
URL: http://lists.w3.org/Archives/Public/www-style/2008Mar/0405.html http://lists.w3.org/Archives/Public/www-style/2008Mar/0443.html http://lists.w3.org/Archives/Public/www-style/2008May/0182.html http://lists.w3.org/Archives/Public/www-style/2008Aug/0013.html http://lists.w3.org/Archives/Public/www-style/2008Aug/0019.html
Reporter's response to resolution: http://lists.w3.org/Archives/Public/www-style/2008Oct/0229.html
Further discussion: http://lists.w3.org/Archives/Public/www-style/2008Oct/0230.html
Proposed Resolution 1: no change, to preserve section number stability
Proposed Resolution 2: similar to what is proposed, but moving the gamma correction section (probably modified, per later issue) into the beginning of Color Units, and perhaps putting the units before the values
Status: resolved to make no change, http://lists.w3.org/Archives/Public/www-style/2008Sep/0169.html

Issue 3

Summary: rename sections giving color keywords
Raised by: various
URL: http://lists.w3.org/Archives/Public/www-style/2008May/0146.html
Proposed Resolution: Probably rename, given the confusion this has caused
Status

Issue 4

Summary: report of browser bugs from test suite
Raised by: Paul Tykodi
URL: http://lists.w3.org/Archives/Public/www-style/2008Jun/0023.html http://lists.w3.org/Archives/Public/www-style/2008Jun/0029.html
Proposed Resolution: not a spec issue
Status: not a spec issue

Issue 5

Summary: still confused about interaction of opacity and rgba()
Raised by: Matt Bonner
URL: http://lists.w3.org/Archives/Public/www-style/2008Jun/0024.html
Proposed Resolution: ?
Status

Issue 9

Summary: opacity relative to multiple ancestors
Raised by: Marshal Horn
URL: http://lists.w3.org/Archives/Public/www-style/2008Jul/0409.html
Proposed Resolution: reject all new features (and not sure what this one means, either)
Status

Issue 10

Summary: presentation of HTML4 keywords and SVG keywords is inconsistent
Raised by: David Perrell
URL: http://lists.w3.org/Archives/Public/www-style/2008Jul/0457.html http://lists.w3.org/Archives/Public/www-style/2008Jul/0462.html
Proposed Resolution: change HTML4 table to look like SVG Table
Status: spec edited

Issue 11

Summary: include HSL values in color tables
Raised by: David Perrell
URL: http://lists.w3.org/Archives/Public/www-style/2008Jul/0457.html http://lists.w3.org/Archives/Public/www-style/2008Jul/0462.html
Proposed Resolution: no change, since they wouldn't be exact matches due to rounding issues, and then there would be ambiguity
Status

Issue 12

Summary: does HSL get mapped to the sRGB color space
Raised by: David Perrell
URL: http://lists.w3.org/Archives/Public/www-style/2008Jul/0458.html http://lists.w3.org/Archives/Public/www-style/2008Jul/0461.html http://lists.w3.org/Archives/Public/www-style/2008Jul/0463.html http://lists.w3.org/Archives/Public/www-style/2008Jul/0468.html http://lists.w3.org/Archives/Public/www-style/2008Jul/0472.html
Proposed Resolution 1: no change (question already answered in spec)
Proposed Resolution 2: add a statement with “must” in it to state the equivalence as a conformance requirement
Status

Issue 13

Summary: remove paragraph about clipping values outside gamut
Raised by: Chris Murphy
URL: http://lists.w3.org/Archives/Public/www-style/2008Jul/0459.html http://lists.w3.org/Archives/Public/www-style/2008Jul/0460.html http://lists.w3.org/Archives/Public/www-style/2008Jul/0464.html http://lists.w3.org/Archives/Public/www-style/2008Jul/0465.html http://lists.w3.org/Archives/Public/www-style/2008Jul/0466.html
Proposed Resolution: ?
Status

Issue 14

Summary: unnecessary tautology
Raised by: Dave Singer
URL: http://lists.w3.org/Archives/Public/www-style/2008Jul/0467.html http://lists.w3.org/Archives/Public/www-style/2008Jul/0469.html
Proposed Resolution: ?
Status

Issue 15

Summary: Is HSL full range or video range?
Raised by: Dave Singer
URL: http://lists.w3.org/Archives/Public/www-style/2008Jul/0467.html
Proposed Resolution: no change
Status

Issue 16

Summary: currentColor should not be treated as color:inherit at parse time (and color:inherit should have a space in it)
Raised by: Krzysztof Maczyński
URL: http://lists.w3.org/Archives/Public/www-style/2008Jul/0539.html http://lists.w3.org/Archives/Public/www-style/2008Jul/0540.html
Note: same as issue 17 on previous issues list, due to insufficient editing the previous time around
Proposed Resolution: do the additional edits to match the previous resolution
Status: spec edited

Issue 17

Summary: long list of editorial comments from XSL FO SG (excluding comment on status section, which is the next issue)
Raised by: Tony Graham
URL: http://lists.w3.org/Archives/Public/www-style/2008Sep/0004.html
Proposed Resolution: ?
Status: most issues edited. computed value of system colors split out into issue 28, since I think it's wrong. Case consistency of hex not addressed (not worth it). “something similar” comment not addressed (not worth it). Disagree about “lookup table” issue for 4.2.4. Disagree about system colors section nesting issue (don't want to change section numbers).

Issue 18

Summary: definition of interoperable should be changed
Raised by: Tony Graham
URL: http://lists.w3.org/Archives/Public/www-style/2008Sep/0004.html http://lists.w3.org/Archives/Public/www-style/2008Sep/0006.html http://lists.w3.org/Archives/Public/www-style/2008Sep/0169.html http://lists.w3.org/Archives/Public/www-style/2008Sep/0173.html
Proposed Resolution: ?
Status

Issue 19

Summary: statement about advantages of HSL to RGB should not pretend to be exhaustive
Raised by: Dave Singer
URL: private email to dbaron, 2008-07-28
Proposed Resolution: editorial, edit to add “Some” before “advantages”.
Status: spec edited

Issue 20

Summary: need to define deprecated in a way that still requires UAs to support them (and thus need conformance requirements!)
Raised by: Rich Schwerdtfeger
URL: minutes of CSS meeting, 2008-10-20, morning session: http://lists.w3.org/Archives/Public/www-style/2008Nov/0023.html
Proposed resolution: ?
Status

Issue 21

Summary: note pointing to appearance property should link to it
Raised by: Steve Zilles
URL: minutes of CSS meeting, 2008-10-20, morning session: http://lists.w3.org/Archives/Public/www-style/2008Nov/0023.html
Proposed Resolution: do so
Status: spec edited

Issue 22

Summary: don't deprecate system colors
Raised by: Krzysztof Maczyński
URL: http://lists.w3.org/Archives/Public/www-style/2009Mar/0097.html http://lists.w3.org/Archives/Public/www-style/2009Mar/0106.html
Proposed Resolution: no change

Issue 23

Summary: Accept angle units and allow omission of % units in hsl()
Raised by: Ludger Buenger
URL: http://lists.w3.org/Archives/Public/www-style/2009Jul/0154.html http://lists.w3.org/Archives/Public/www-style/2009Jul/0155.html http://lists.w3.org/Archives/Public/www-style/2009Jul/0156.html
Proposed resolution: no change

Issue 24

Summary: Mac OS X changing gamma, recommendations obsolete
Raised by: Chris Murphy
URL: http://lists.w3.org/Archives/Public/www-style/2009Jul/0171.html http://lists.w3.org/Archives/Public/www-style/2009Oct/0189.html http://lists.w3.org/Archives/Public/www-style/2009Oct/0190.html http://lists.w3.org/Archives/Public/www-style/2009Oct/0191.html http://lists.w3.org/Archives/Public/www-style/2009Oct/0215.html
Resolution: section already removed to resolve issue 8
Status: spec edited

Issue 25

Summary: case of currentColor is odd
Raised by: David Perrell
URL: http://lists.w3.org/Archives/Public/www-style/2009Aug/0313.html http://lists.w3.org/Archives/Public/www-style/2009Aug/0314.html http://lists.w3.org/Archives/Public/www-style/2009Aug/0341.html http://lists.w3.org/Archives/Public/www-style/2009Aug/0342.html http://lists.w3.org/Archives/Public/www-style/2009Aug/0355.html http://lists.w3.org/Archives/Public/www-style/2009Aug/0384.html
Proposed Resolution: no change

Issue 26

Summary: add mechanism for migrating to being conformant to the part of the spec that says CSS colors are in sRGB
Raised by: David Baron, Beth Dakin
URL: minutes of F2F meeting, 2009-11-03 (have resolution)

Issue 27

Summary: should depend on CSS 2.1 instead of css3-syntax and css3-values
Raised by: David Baron

Issue 28

Summary: computed value of system colors should be a color, not the keyword itself
Raised by: David Baron
Proposed Resolution: just remove the note saying otherwise

Issue 29

Summary: “predefined” doesn't make sense in context (used twice)
Raised by: David Baron