fn logical_token(v: &AttributeValue) -> Option<&str>Expand description
Normalise an .ENUM.-style logical/boolean token (dots already stripped to
the inner letter by the tokenizer, e.g. Enum("T"); or a bare String).
fn logical_token(v: &AttributeValue) -> Option<&str>Normalise an .ENUM.-style logical/boolean token (dots already stripped to
the inner letter by the tokenizer, e.g. Enum("T"); or a bare String).