@uml
Set the delimiters used for marking rule and token tags within concrete
syntax used by the tree pattern parser.
@param start The start delimiter.
@param stop The stop delimiter.
@param escapeLeft The escape sequence to use for escaping a start or stop delimiter.
@exception IllegalArgumentException if {@code start} is {@code null} or empty.
@exception IllegalArgumentException if {@code stop} is {@code null} or empty.
@uml Set the delimiters used for marking rule and token tags within concrete syntax used by the tree pattern parser.
@param start The start delimiter. @param stop The stop delimiter. @param escapeLeft The escape sequence to use for escaping a start or stop delimiter.
@exception IllegalArgumentException if {@code start} is {@code null} or empty. @exception IllegalArgumentException if {@code stop} is {@code null} or empty.