286N/A * reserved comment block 286N/A * DO NOT REMOVE OR ALTER! 286N/A * Copyright 1999-2004 The Apache Software Foundation. 286N/A * Licensed under the Apache License, Version 2.0 (the "License"); 286N/A * you may not use this file except in compliance with the License. 286N/A * You may obtain a copy of the License at 286N/A * Unless required by applicable law or agreed to in writing, software 286N/A * distributed under the License is distributed on an "AS IS" BASIS, 286N/A * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 286N/A * See the License for the specific language governing permissions and 286N/A * limitations under the License. 286N/A * The binary '-' operation expression executer. 286N/A * Apply the operation to two operands, and return the result. 286N/A * @param left non-null reference to the evaluated left operand. 286N/A * @param right non-null reference to the evaluated right operand. 286N/A * @return non-null reference to the XObject that represents the 286N/A * result of the operation. 286N/A * @throws javax.xml.transform.TransformerException 286N/A * Evaluate this operation directly to a double. 286N/A * @param xctxt The runtime execution context. 286N/A * @return The result of the operation as a double. 286N/A * @throws javax.xml.transform.TransformerException