[jdk21] RFR: 8309471: Limit key characters in static index pages

[Jonathan Gibbons]

On Mon, 19 Jun 2023 11:18:54 GMT, Hannes Wallnöfer <hannesw at openjdk.org> wrote:

> Backport of openjdk/jdk#14312 to limit first character keys in the static JavaDoc index pages to valid Java identifier start characters.

Marked as reviewed by jjg (Reviewer).

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PR Review: https://git.openjdk.org/jdk21/pull/30#pullrequestreview-1498770105