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defining the px unit

From: Felix Miata <mrmazda@earthlink.net>
Date: Tue, 04 Dec 2012 07:31:48 -0500
Message-ID: <50BDED34.7060600@earthlink.net>
To: w3c-wai-ig@w3.org
[Maybe www-style would be the technically correct place for this, but as my 
interests lie in usability, this seems a better place.]

Suppose the current angular definition of a CSS px unit was discarded, and in 
its place were provided the following CSS unit definitions:

1-uem: the default text size of the user agent, as adjusted or not via any UA 
zoom function[1]

2-px: 1/16 uem (.0625uem)

I would expect little impact on users who leave their browser settings as 
shipped, but a decrease in frequency for those who do personalize them to 
need to hit their UA's zoom trigger.

What I would hope for from CSS stylists is reduced thinking and acting as 
though they're supposed to have total control of presentation, and 
consequently improved usability as affected via the impact of text and object 
sizing.

Thoughts?

[1] meaning within the confines of the UA itself defined by the UA itself for 
internals, and by the UI toolkit's determinant for the UI
-- 
"The wise are known for their understanding, and pleasant
words are persuasive." Proverbs 16:21 (New Living Translation)

  Team OS/2 ** Reg. Linux User #211409 ** a11y rocks!

Felix Miata  ***  http://fm.no-ip.com/
Received on Tuesday, 4 December 2012 12:32:29 GMT

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