[jfx26] Integrated: 8378507: JavaFX CSS Reference skips heading levels: <h2> followed by <h4>

Tue Feb 24 18:03:49 UTC 2026

This pull request contains a backport of commit [f6fab995](https://urldefense.com/v3/__https://github.com/openjdk/jfx/commit/f6fab9954ad4bc5026fb177e9db7523132087885__;!!ACWV5N9M2RV99hQ!P7RuPCH22q9o_O5hbtuRkyaP8fGkvE9zCH8bHfFd0vHBLXNNNLICiMs8yVPC3PBKu_nODVSN_k9gv3NODlRIMLAzCCVUPg$) from the [openjdk/jfx](https://git.openjdk.org/jfx) repository.

The commit being backported was authored by Andy Goryachev on 24 Feb 2026 and was reviewed by Kevin Rushforth and Alexander Zuev.

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Commit messages:
 - Backport f6fab9954ad4bc5026fb177e9db7523132087885

Changes: https://git.openjdk.org/jfx/pull/2086/files
  Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=2086&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8378507
  Stats: 79 lines in 1 file changed: 0 ins; 66 del; 13 mod
  Patch: https://git.openjdk.org/jfx/pull/2086.diff
  Fetch: git fetch https://git.openjdk.org/jfx.git pull/2086/head:pull/2086

PR: https://git.openjdk.org/jfx/pull/2086