Updated source code comments.

source/java/com/whitemagicsoftware/rxm/tree/Payload.java

		* respective output document.
		* </p>
		+ * <p>
		* By virtue of the Tree being in the package with te *Context classes,
		* the *Context class names themselves can be derived, and therefore
		* instantiated. (The *Context class names directly correspond to QueryParser
		* inner class names and are therefore coupled to the language grammar.)
		- * <p>
		+ * </p>
		*/
		public class Payload extends ParserRuleContext {
		/** Wrapped parser rule context instance. */
		private ParserRuleContext ctx;

		/** Parser rule context instance for transforming the payload. */
		private ParserRuleContext transformer;

		- /** Abstract Syntax Tree (the factory tree). */
		+ /** Abstract Syntax Tree (the implicit factory tree). */
		private Tree<Payload> tree;

source/java/com/whitemagicsoftware/rxm/tree/TransformationTree.java

		* Called when entering a new hierarchy in the transformation tree.
		*
		- * @param payload The data to transform into its opening text.
		- * @return The opening for the transformed payload text.
		+ * @param tree The tree containing data to transform into its opening text.
		+ * @return The opening expression for the transformed payload text.
		*/
		protected abstract String start( Tree<T> tree );

		/**
		* Called when exiting a new hierarchy in the transformation tree.
		*
		- * @param payload The data to transform into its closing text.
		- * @return The closing for the transformed payload text.
		+ * @param tree The tree containing data to transform into its closing text.
		+ * @return The closing expression for the transformed payload text.
		*/
		protected abstract String stop( Tree<T> tree );

source/java/com/whitemagicsoftware/rxm/tree/xml/PayloadParserRuleContext.java

		* determine their database entity context. This allows subclasses
		* to use the correct entity alias as defined by the <b>rxm</b>.
		+ *
		+ * @return The tree, used as the implicit factory mechanism, containing
		+ * the AST context.
		*/
		protected Tree<Payload> getTree() {
		return this.tree;
		}

		/**
		* Closes the current payload transformation. Subclasses must override
		* this to provide the correct opening SQL/XML expression.
		+ *
		+ * @return The token text that makes up the start of a SQL/XML expression
		+ * (a left-parenthesis by default).
		*/
		@Override
		public Token getStart() {
		return new Token( "(" );
		}

		/**
		* Closes the current payload transformation. Subclasses may override
		* this to provide a custom closing SQL/XML expression.
		+ *
		+ * @return The token text that makes up the start of a SQL/XML expression
		+ * (a right-parenthesis by default).
		*/
		@Override

Delta	16 lines added, 6 lines removed, 10-line increase