2.1.49 [ECMA-262/5] Section 184.108.40.206, Atom
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The specification defines the productions for Atom.
In addition to the existing productions for Atom, include identical productions for AtomNoBrace, except replacing Atom :: PatternCharacter with:
The production AtomNoBrace :: PatternCharacterNoBrace evaluates as follows:
1. Let ch be the character represented by PatternCharacterNoBrace. 2. Let A be a one-element CharSet containing the character ch. 3. Call CharacterSetMatcher(A, false) and return its Matcher result.