Constructs a Term with the given field and text.
/// Note that a null field or null text value results in undefined
/// behavior for most Lucene APIs that accept a Term parameter.
///
public Term(System.String fld, System.String txt) : this(fld, txt, true)
{
}
internal Term(System.String fld, System.String txt, bool intern)
{
field = intern ? String.Intern(fld) : fld; // field names are interned
text = txt; // unless already known to be
}
///