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TrueTypeTable - class to represent custom OpenType table
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CONSTRUCTOR:
TrueTypeTable() - generic constructor, creates an empty TrueTypeTable record
TrueTypeTable(TrueTypeTable) - copy constructor
TrueTypeTable(string tag) - creates table, assigns 'tag' and empty value
TrueTypeTable(string tag, string value) - creates TrueType table and assigns values to both attributes
TrueTypeTable(string tag, string value, integer valuelen) - creates TrueType table and assigns values to both attributes. 'value' may include zeroes
ATTRIBUTES:
parent (read-only) - parent object, Font
tag (string) - TrueType table's tag
value (string) - TrueType table's value
OPERATIONS:
METHODS