The type-awareand schema-aware features of XSLT 2.0 can greatly assist you when you debug a stylesheet, and improve stylesheetquality and robustness in handling all input data. Learn how to use type-aware and schema-aware XSLT 2.0 during the debugging and testing processto avoid common issueswith invalid paths, incorrect assumptionsabout data types, and cardinalities. Also, find examplesof XSLT stylesheets that contain errors that would notbe caughtifschema-aware featureswerenotin use, and discover how explicitly specifying types results in useful error messages.