<?xml version="1.0" encoding="UTF-8"?> <bibliography xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../Schema/bib.xsd" > <publishers> <publisher id="one"> <name>Publisher 1</name> <city>City 1</city> </publisher> <publisher id="two"> <!-- Error: duplicate both <name> and <city> --> <name>Publisher 1</name> <city>City 1</city> </publisher> </publishers> </bibliography> <?xmlTest points = "2" expectedToBeValid = "false" preconditionValid = "0230_valid_multiplePublisher.xml" ?>