14661 2011-11-01 19:00:49 +0000 I find the compositing section unclear with regard to partial transparency. E.g., under "a atop b", if a is partially transparent, does b show through? 2012-07-18 18:38:59 +0000 1 1 1 Unclassified WHATWG HTML unspecified Other other RESOLVED WORKSFORME http://www.whatwg.org/specs/web-apps/current-work/#compositing P3 normal Unsorted 1 contributor ian ian mike contributor oldest_to_newest 59433 0 contributor 2011-11-01 19:00:49 +0000 Specification: http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html Multipage: http://www.whatwg.org/C#compositing Complete: http://www.whatwg.org/c#compositing Comment: I find the compositing section unclear with regard to partial transparency. E.g., under "a atop b", if a is partially transparent, does b show through? Posted from: 128.30.6.19 User agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:7.0.1) Gecko/20100101 Firefox/7.0.1 59524 1 ian 2011-11-02 20:45:50 +0000 This is defined in the Porter-Duff paper, no?