ariya/esprima — pull request #294 by mathiasbynens (2014-11-25 11:17:21+00:00)
Title: Remove the upper limit of hex digits in Unicode code point escapes

E.g. `'\u{00000000000000000001D306}' == '\u{1D306}'`.

https://code.google.com/p/esprima/issues/detail?id=612