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3 * Copyright (C) 2011 Apple Inc. All rights reserved.
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33 // The Mail.app signature panel makes the assumption that
34 // document.firstChild.firstChild == document.body. This is no longer true
35 // now that WebKit implements the HTML5 parser, which creates an implicit
36 // <head> node if not explicitly specified in content. Remove this implicit
37 // <head> so that Mail.app's assumption remains true.
38 if (document.head && !document.head.childNodes.length && !document.head.attributes.length)
39 document.documentElement.removeChild(document.head);