Erlock questions

Erlock answers

• XSL: How to test if the current node is a descendent of another node
• Is there an exclusive OR 'XOR' in XPath?
• XSLT: How to change the parent tag name and Delete an attribute from XML file?
• Postgresql: alternative to WHERE IN respective WHERE NOT IN
• XSLT 2.0 PHP support. When?
• PostgreSQL GROUP BY different from MySQL?
• XSLT 1.0 Greedy knapsack grouping methods?
• Produce Nested XML using muenchian method in XLST
• Problem using ancestor axis in an XPath predicate
• XSL recursive sort