RFR: 8266666: Implementation for snippets [v9]

Mon Aug 23 15:31:08 UTC 2021

> This PR implements JEP 413 "Code Snippets in Java API Documentation", which hasn't been yet proposed to target JDK 18. The PR starts as a squashed merge of the https://github.com/openjdk/jdk-sandbox/tree/jdk.javadoc/snippets branch.

Pavel Rappo has updated the pull request incrementally with one additional commit since the last revision:

  Remove JEP link from SnippetTree

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/4795/files
  - new: https://git.openjdk.java.net/jdk/pull/4795/files/e1dbd98d..942b1e98

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=4795&range=08
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=4795&range=07-08

  Stats: 2 lines in 1 file changed: 0 ins; 1 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4795.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4795/head:pull/4795

PR: https://git.openjdk.java.net/jdk/pull/4795