RFR: 8298050: Add links to graph output for javadoc

[Jonathan Gibbons]

On Thu, 8 Dec 2022 09:19:54 GMT, Per Minborg <pminborg at openjdk.org> wrote:

> This PR proposes adding hyperlinks to the sealed graphic layout making navigation much simpler via the image.

make/jdk/src/classes/build/tools/taglet/SealedGraph.java line 209:

> 207:                         .filter(c -> '.' == c)
> 208:                         .mapToObj(c -> "../")
> 209:                         .collect(joining());

What about nested classes?

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PR: https://git.openjdk.org/jdk/pull/11580