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The change to solidus escaping affects the following tests. Serialization-json-27 Serialization-json-29 Serialization-json-51 Serialization-json-56 Serialization-json-61 Serialization-json-64 Serialization-json-65 Serialization-json-66 Serialization-json-67 Serialization-json-68 Serialization-json-69 Serialization-json-70 Serialization-json-71 serialize-json-009 serialize-json-127 serialize-json-128
...and Serialization-json-72.
I have taken the liberty of fixing these tests.