Value comparisons (as distinct from variable pointer equality)
Value comparisons (as distinct from variable pointer equality)
Abstract method to return the domain of this variable.
Abstract method to return the domain of this variable.
Return the string often used as a prefix of the toString representation of this variable.
Return the string often used as a prefix of the toString representation of this variable.
Assign a new value to this variable
Assign a new value to this variable
Return a short string representation of this variable, suitable for debugging messages.
Abstract method to return the value of this variable.
Abstract method to return the value of this variable.
Used as an attribute of Token when the token.string should return something different than the document.string.substring at the Token's start and end positions. For example, de-hyphenation may change "probab\n-ly" to "probably".