Isn't the fundamental problem that the 2.1 spec says *nothing* about which image formats are supported? If JPEG were required, recommended, or even optional, the standard could specify how to treat the resolution information, if at all. As it is now, no image format can be *expected* to work since their support is unspecified. Any random rendering at all is conformant. The fact that png, jpeg, and gif images are supported as consistently as they are by User Agents is simply a series of rather fortunate events. Incidentally, jpeg rendering isn't exercised in the current CSS Compliance Test Suite[1]. Only png and gif images are included so far[2]. This implies (to me anyway) the png and gif formats are REQUIRED for graphical UA conformance, or at least highly RECOMMENDED. [1] http://www.w3.org/Style/CSS/Test/CSS2.1/current/ [2] http://www.w3.org/Style/CSS/Test/CSS2.1/current/support/Received on Saturday, 29 January 2005 02:27:38 GMT
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