PUBLIC MARKS from holyver with tag renderer

Multiple versions of Explorer for Windows on a single computer have revolutionized CSS bug testing for websites, but sadly the different IE browser windows appear identical to the eye, potentially leading to confusion and testing mistakes. Also, Microsoft's proprietary Conditional Comments don't operate properly on these standalones, making advanced usage of CC's a guessing game. These problems have now been resolved! But first, a little background regarding the standalones.

Moteur de rendu des différentes versions d'IE (5.5 / 6 / 7) avec option de comparaison et de superposition