Internet Design Issues and Internet Explorer 7. Let’s Take a Look at IE 7+. Goto IE7 ( Click Here ). Microsoft’s Stance. ACID2 Test Acid2 assumes basic support for HTML4 , CSS1 , PNG , and Data URLs . . Another Micro$oft Moment!.
"We will not pass this test (Acid2) when IE7 ships. We fully recognize that IE is behind the game today in CSS support. We've dug through the Acid2 test and analyzed IE's problems with the test in some great detail, and we've made sure the bugs and features are on our list — however, there are some fairly large and difficult features to implement, and they will not all sort to the top of the stack in IE7.“
- Chris Wilson, lead program manager for IE7
2. Positioning: IE6 has a bug that determines absolute position differently then the W3C standards and the Acid2 Test.
PNG: An image format that allows for Alpha level changes within the image. Prior versions of IE did not allow for the correct imaging of PNG images.
PNG = “PNG Not Gif”