Correctly escape predefined entities in deadlock XML
If you create a table that has &, ", <, or > in the name, it's not correctly escaped in all instances of deadlock XML.
This causes an error when trying to convert extended event/system health data to valid XML for analysis.
Erik Darling commented
More elaborate documentation: https://www.brentozar.com/archive/2018/04/how-to-break-sql-servers-xml-data-collection/