UNCONFIRMED 79353
Use Unicode 6.1.0 when determining whether an identifier is acceptable or not 
https://bugs.webkit.org/show_bug.cgi?id=79353
Summary Use Unicode 6.1.0 when determining whether an identifier is acceptable or not
Mathias Bynens
Reported 2012-02-23 02:48:31 PST
JavaScript currently uses an older version of the Unicode database. Here are some examples of identifiers that are currently failing because of this, even though they’re valid according to ES 5.1/Unicode 6.1: * `var \u0cf1;` — http://mothereff.in/js-variables#%5Cu0cf1 * `var \ua7aa;` — http://mothereff.in/js-variables#%5Cua7aa * `var \u1bba;` — http://mothereff.in/js-variables#%5Cu1bba * `var a\ua674;` — http://mothereff.in/js-variables#a%5Cua674 Of course, there are many more. Updating to Unicode 6.1 would improve interoperability. Is the list of allowed characters in `IdentifierStart` and `IdentifierPart` auto-generated based on a UnicodeData.txt file, or how is this done in JavaScriptCore?
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