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2.5.4 Parse Token Definitions

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The following parse token definition sections specify the tokens that can be part of a formula expression and that can be persisted in a web drawing in Cell_Type elements.

The definition of a token specifies an ABNF [RFC5234] grammar and a Cell_Type representation. The ABNF specifies the format of the token in a formula expression. The Cell_Type representation specifies the properties that define the token, as described in the operand tokens section.