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err:XPST0133 is listed in the appendix but is never referenced elsewhere in the document (except in a circular reference within its own description). Is it a duplicate of XQST0070?
See also bugs #26788 and #12599. XPST0133 does look like a duplicate of XQST0070. In the resolution of 26788 we decided not to fix the error made in 3.0 of using "XQ" prefixed codes in the XPath specification.
I will delete the orphaned error code err:XPST0133.
Confirmed that the change has been made in the current spec.