RFR: JDK-8253559: The INDEX page should link to Serialized Form and Constant Values pages

Tue Oct 13 21:42:19 UTC 2020

The mechanism to add links for summary pages in the main index is generalized, and now includes the Constant Values
page, the Deprecated page and the Serialized Form page, provided these pages have non-empty content.

The only change to the generated output is very minor: the text of existing link to the "System Properties" page is
changed to use a non-breaking space, in line with the links for "All Classes" and "All Packages".

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Commit messages:
 - JDK-8253559: The INDEX page should link to Serialized Form and Constant Values pages

Changes: https://git.openjdk.java.net/jdk/pull/643/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=643&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8253559
  Stats: 105 lines in 12 files changed: 71 ins; 16 del; 18 mod
  Patch: https://git.openjdk.java.net/jdk/pull/643.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/643/head:pull/643

PR: https://git.openjdk.java.net/jdk/pull/643