Make fully-transparent text non-contentful #76
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| A [=CSS image=] |img| is a <dfn>contentful image</dfn> when all of the following apply: | ||
| * |img| is [=url valued=]. | ||
| * |img| is [=available=]. | ||
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| A {{DOMString}} is <dfn>non-empty</dfn> if it contains at least one character excluding [=document white space characters=]. | ||
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| A style |s| <dfn>may display text</dfn> if one of the following apply: | ||
| * The [=foreground color=] of |s| is not [=fully transparent=]. | ||
| * The [=text-shadow=] of |s| contains at least one value that is not [=fully transparent=] and its [=length=] is greater than 0. |
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What about colors of text decoration and text emphasis?
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I deliberately excluded them - I feel that a page that shows transparent text and colored underlines/emphasis should not be considered contentful. But this is open for discussion.
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That doesn't seem right. Text emphases and decorations aren't like borders or background colors. They're part of the text.
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They are part of the text - but if they are visible and the text isn't, is it still content rather than a mere decoration? @npm1 wdyt?
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Whipped up a quick test page, and I agree that while text-shadow is content, decoration and emphasis isn't.
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Maybe the problem is with the name "may display text"? It could be "may display contentful text". or "may display glyphs".
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Closing after discussion. |
Based on a request from Mozilla in #58 (comment).
See #75
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