Fwd: [CSS3] Conditional statements in CSS 3

---------- Forwarded message ----------
From: Gabriele Romanato <gabriele.romanato@gmail.com>
Date: 15-ott-2007 13.12
Subject: [CSS3] Conditional statements in CSS 3
To: www-style-request@w3.org

Dear all,
while I was writing an user style sheet that emulates the behavior of Lynx
browser, it came to my attention the following problem:

img[alt]:before {
content: attr(alt) !important;
}

img[src]:before {
content: attr(src) !important;
}

In other words, it's not possible to choose between the above mentioned
options. I propose the following new keyword for the at-rules

@if (img[src]) {style rules}

@else if (img[alt]) {style rules}

we can check now if there's such an attribute. the above syntax can be
extended also to the media queries.

regards,

Gabriele Romanato

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