(December 18, 2012 at 10:58 am)Aractus Wrote: Acid only determines how they handle errors, not how they handle displaying correctly formulated content.Wrong.
"To pass the test, a browser must use its default settings, the animation has to be smooth, the score has to end on 100/100, and the final page has to look exactly, pixel for pixel, like this reference rendering."
Source: http://acid3.acidtests.org
That's how it has always been. Acid is a test of web standards, including the ability of the rendering engine to properly display HTML, CSS, etc.