RFR: 8266559: XPathEvaluationResult.XPathResultType.NODESET maps to incorrect type [v2]

[Joe Wang]

> Makes a correction to XPathEvaluationResult.XPathResultType.NODESET mapping. Clarifies the supported types for the evaluateExpression methods.
> 
> Other changes were javadoc tag usages, e.g. s/the code tag/{@code

Joe Wang has updated the pull request incrementally with one additional commit since the last revision:

  Put Number in @code tag. Thanks Naoto.

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/4258/files
  - new: https://git.openjdk.java.net/jdk/pull/4258/files/29dd4923..8ffd4ea3

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=4258&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=4258&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4258.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4258/head:pull/4258

PR: https://git.openjdk.java.net/jdk/pull/4258