W3C home > Mailing lists > Public > w3c-wai-gl@w3.org > January to March 2002

Re: [CSS-TECHS] numbers instead of names, proposal

From: Jo Miller <jo@bendingline.com>
Date: Thu, 17 Jan 2002 12:04:03 -0500
Message-Id: <p05101038b86cb4273a03@[]>
To: w3c-wai-gl@w3.org
Actually, I don't know why I put border-top-style in there. It 
shouldn't be necessary.


At 10:22 AM -0500 1/17/02, Jo Miller wrote:
>I agree with your proposal, Wendy.
>Thank you for the updated CSS-TECHS issues list.
>Regarding Chuck Baslock's question [1], I cannot find a Mac browser 
>that the example works in either (Chuck tested it in a variety of 
>Windows browsers).
>The alternative example below does work in the following browsers:
>Mozilla 0.9.7 Mac
>IE 5.5 Mac
>Opera 5.0b5.465 Mac
>iCab 2.5.3 (Mac)
>IE 5-6 Windows
>Netscape 4.7 Windows (border is only as wide as the text in N4, of course)
>Netscape 6.2 Windows
>Opera 5 Windows
>AOL 6.0 Windows
>Someone else may know a shorter and more elegant way to write it, though.
>    <TITLE>Redline with style sheets</TITLE>
>    <STYLE type="text/css">
>         H1 {border-top-width: 2px;
>             border-top-style: solid;
>             padding-top: 4px;
>             border-color: red }
>    </STYLE>
>    </HEAD>
>    <BODY>
>    <H1>Chapter 8 - Auditory and Tactile Displays</H1>
>    </BODY>
>End example.
>[1] http://lists.w3.org/Archives/Public/w3c-wai-gl/2001JanMar/0657.html
>At 7:22 PM -0500 1/15/02, Wendy A Chisholm wrote:
>>I believe the statement (slightly modified to make it more exact) 
>>seems to be true:
>>"Any browser that supports CSS1 and/or CSS2 stylesheets supports 
>>the following 16 color names for use in style sheets (as outlined 
>>in CSS1 and CSS2):  aqua, black, blue, fuchsia, gray, green, lime, 
>>maroon, navy, olive, purple, red, silver, teal, white, and yellow"
>>Therefore, it doesn't necessarily mean they will be supported if 
>>using the HTML font element, which isn't being considered in the 
>>CSS Techniques document.
>>CSS3 has obviously taken it a step further. These 16 seem to be the 
>>lowest common denominator.
>>Therefore, I propose modifying the CSS Techniques to read as follows:
>>2.1 Color Contrast
>>       Use numbers or one of the 16 CSS1/CSS2 color names to specify colors.
>>The CSS1/CSS2 color names are:
>>aqua, black, blue, fuchsia, gray, green, lime, maroon, navy, olive, 
>>purple, red, silver, teal, white, and yellow
>>    H1 {color: #808000}
>>    H1 {color: rgb(50%,50%,0%)}
>>    H1 {color: red}
>>End example.
>>Deprecated example.
>>    H1 {color: aliceblue}
>>End example.
>>The current draft of <a 
>>lists 140 color keywords</a>.  As this document moves through the 
>>W3C process and into implementations, we will revisit backwards 
>>compatibility issues with this wider palette.
>>At 07:36 AM 1/15/02, Jonathan O'Donnell wrote:
>>>Hi Wendy, Jo and others
>>>The statement does not appear to be true.
>>>Section 4.3 of the CSS3 working draft of 5 March 2001
>>>includes the X11 color keywords. [1]
>>>My understanding is that Opera supports the W3C
>>>standards.  Therefore, at this time, Opera only
>>>understands the 16 names colours referenced in HTML4.
>>>This is supported by an undated note by Sue Sims on
>>>the CSS Pointers Group site. [2]
>>>According to a post by John Russell (3 Dec 2000)
>>>"Amaya renders some but not all of these 140 colors."
>>>[3]  I don't know if this has been changed in the last
>>>[2]     http://css.nu/pointers/stickynote.html
>>>  --- Jo Miller <jo@bendingline.com> wrote:
>>>>  Hi Wendy,
>>>>  I cannot verify the statement, though I suspect it
>>>>  is true, with
>>>>  qualifications.
>>>  --- Previously, Wendy Chisholm had written:
>>>>  >HTML Source lists 140 names
>>>>  >
>>>>  ><quote>
>>>>  >These are in the stylesheet section because older
>>>>  browsers will not
>>>>  >recognise the words, they require the code. Any
>>>>  browser that can do
>>>>  >stylesheets can do these colours, so it's safe to
>>>>  use them if you're
>>>>  >using a style.
>>>>  ></quote>
>>>>  >
>>>>  >Can anyone verify that this statement is true?
>>>Jonathan O'Donnell
>>  >http://purl.nla.gov.au/net/jod
>>>http://my.yahoo.com.au - My Yahoo!
>>>- It's My Yahoo! Get your own!
>>wendy a chisholm
>>world wide web consortium
>>web accessibility initiative
>>seattle, wa usa
>Jo Miller
Received on Thursday, 17 January 2002 12:04:06 UTC

This archive was generated by hypermail 2.3.1 : Tuesday, 16 January 2018 15:33:40 UTC