RFR: 8282280: Update Xerces to Version 2.12.2 [v2]

[Joe Wang]

On Mon, 16 May 2022 21:54:52 GMT, Naoto Sato <naoto at openjdk.org> wrote:

>> Joe Wang has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   provider description
>
> test/jaxp/javax/xml/jaxp/unittest/validation/SchemaTest.java line 48:
> 
>> 46:  */
>> 47: public class SchemaTest {
>> 48:     private static final String XSD_8144117 = "<?xml version='1.0'?>\n" +
> 
> If it is not from the upstream Xerces test but our own, can we utilize text blocks here?

Our source level is still generally 8. The expectation is also that this patch will be backported.

> test/jaxp/javax/xml/jaxp/unittest/validation/SchemaTest.java line 79:
> 
>> 77: 
>> 78:     /*
>> 79:      * DataProvider: valid xsd
> 
> This comment is the same as the above provider. Can we change it to a more meaningful one?

Updated with a bit more description.

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PR: https://git.openjdk.java.net/jdk/pull/8732