2.1.3 Extensions to String Literals

Internet Explorer ECMAScript supports the String Literal extensions that are defined by [ECMA-262/5] Annex B, section B.1.2.

In addition, the production EscapeSequence is extended to include the characters 8 and 9 as right-hand-side alternatives, as follows:

EscapeSequence ::

 CharacterEscapeSequence
 OctalEscapeSequence
 HexEscapeSequence
 UnicodeEscapeSequence
 8
 9

The character values (CV) are defined as follows:

  1. The CV of EscapeSequence :: 8 is a character 8 (Unicode value 0038).

  2. The CV of EscapeSequence :: 9 is a character 9 (Unicode value 0039).

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