Hello David, another short google search gave me [1] which uses (;)? in the grammar.Also I found a discussion about a AS3 BNF before [2] with a nice reference to an adobe blog post [3].
yours Martin. [1] http://tomcopeland.blogs.com/EcmaScript.html[2] http://www.kirupa.com/forum/showthread.php?366330-BNF-grammar-for-AS3-(or-ECMAScript-would-be-good-too) <http://www.kirupa.com/forum/showthread.php?366330-BNF-grammar-for-AS3-%28or-ECMAScript-would-be-good-too%29>
[3] http://blogs.adobe.com/avikchaudhuri/2011/01/19/setting-the-context/
