6.1.8 String coding conventions
The following coding conventions apply to strings:
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Strings containing characters other than numerics must be enclosed with double quotation marks (").
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A variable word or intrinsic constant enclosed with double quotation marks (") is regarded as a string. However, an intrinsic constant specified as an argument of a command is regarded as an intrinsic constant.
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JP1/Script handles strings of up to 1,024 bytes in length.
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Two double quotation marks ("") with nothing between them are interpreted as an Empty value.
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A quoted numeric that includes a string other than a comma (,) is interpreted as a string.