21508 2013-04-02 10:34:32 +0000 For example, the parsing of certain named character references in attributes happens even with the closing semicolon being omitted. It is safe to include an ampersand followed by letters that do not f [...] 2013-04-10 21:51:43 +0000 1 1 1 Unclassified WHATWG HTML unspecified Other other RESOLVED DUPLICATE 21507 http://www.whatwg.org/specs/web-apps/current-work/#syntax-errors P3 normal Unsorted 1 contributor ian ian mike contributor oldest_to_newest 85367 0 contributor 2013-04-02 10:34:32 +0000 Specification: http://www.whatwg.org/specs/web-apps/current-work/multipage/introduction.html Multipage: http://www.whatwg.org/C#syntax-errors Complete: http://www.whatwg.org/c#syntax-errors Comment: For example, the parsing of certain named character references in attributes happens even with the closing semicolon being omitted. It is safe to include an ampersand followed by letters that do not form a named character reference, but if the letters are changed to a string that does form a named character reference, they will be interpreted as that character instead. In this fragment, the attribute's value is "?bill&ted": <a href="?bill&ted">Bill and Ted</a> Posted from: 59.90.159.160 User agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:19.0) Gecko/20100101 Firefox/19.0 85895 1 ian 2013-04-10 21:51:43 +0000 *** This bug has been marked as a duplicate of bug 21507 ***