Provide an overview of the three key steps involved in employing Muenchian grouping.?

Question

What will be an ideal response?

Answer 1

First, create a key for the element or attribute that you want to group using the key element:wherename is the name of the key, node set is the node set that you want to group, and expression is an XPath expression that references the element or attribute on which to group.?Next, add the following expression to the select attribute of afor-each or an apply-templates element:node set[generate-id()=generate-id(key(name,expression)[1])]wherenode set, name, and expression are the same values and node sets used in creating the key. This expression returns the first occurrence of each node in the node set for the index defined in the key.?Finally, within thefor-each or apply-templates element, you can reference the group value using:expressionwhere expression is the element or attribute used to group the node set.?