function removeWhitespace( parser, state ) {
	// Check whether the character sequence consists only of whitespace:
	if ( parser._isWhitespace( parser._qidx+1, parser._cursor ) ) {
		// Rewind the cursor and resume normal processing:
		parser._raiseWarning( 'INVALID_CLOSING_QUOTE' )
			._rewind( parser._cursor-parser._qidx )
			._changeState( state );
		return;
	}
	// Non-whitespace characters came after a closing quote, leaving us in an ambiguous state: was the closing quote intended and we're missing a delimiter/newline, or was the closing quote a mistake and should have been escaped? We don't know, and so we must raise an exception:
	debug( 'Error.' );
	parser._setErrorState( 'INVALID_CLOSING_QUOTE' )._changeState( ERROR );
}
Removes whitespace following a closing quote sequence.

@private
@param {Parser} parser - parser instance
@param {NonNegativeInteger} state - next state
@returns {void}