User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; de; rv:1.9.0.7) Gecko/2009021910 Firefox/3.0.7 Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2a1pre) Gecko/20090310 Minefield/3.2a1pre “View background image” in context menu doesn’t work with data: URIs. Reproducible: Always Steps to Reproduce: 1. Open a webpage with a background image which is specified with a data: URI 2. Try to use the context menu entry “View background image” Actual Results: In Firefox 3.0 (Mozilla/5.0 (Windows; U; Windows NT 5.1; de; rv:1.9.0.7) Gecko/2009021910 Firefox/3.0.7), the context menu entry is activated, but when you click it, nothing happens. In the trunk version (Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2a1pre) Gecko/20090310 Minefield/3.2a1pre) the context menu entry is greyed out. Expected Results: Depending on the mouse button, the background image should be shown in the current tab (replacing the webpage) or in a new tab.