The W3C (World Wide Web Consortium) Math Working Group has published a Proposed Recommendation of “XML Entity Definitions for Characters.” This document presents a completed listing harmonizing the known uses in math and science of character entity names that appear throughout the XML world and Unicode. This document is the result of years of employing entity names on the Web. There were always a few named entities used for special characters in HTML, but a flood of new names came with the symbols of mathematics. Comments are welcome through 11 March. Learn more about the Math Activity.