A clean-up of documentation for
[`BoxLayout`](https://docs.oracle.com/en/java/javase/17/docs/api/java.desktop/javax/swing/BoxLayout.html#class-description):
1. Use the `<ul>` element instead of `<blockquote>` to list layout options or
axes.
2. Add links to `GridBagLayout` and `Box` classes.
3. Markup references to classes, mostly `BoxLayout` itself, with `{@code}`.
4. Separate the introduction to layout description from the description of
horizontal layout. They're now in different paragraphs for easier scanning.
5. Add the missing ‘a’ articles.
6. Organise imports, including expanding the wildcard import.
The updated version:
[**`BoxLayout.html`**](https://cr.openjdk.org/~aivanov/8313810/api/java.desktop/javax/swing/BoxLayout.html#class-description)
(without the CSS).
-------------
Commit messages:
- Add links to GridBagLayout and Box classes
- Optimize imports
- 8313811: Improve description of how BoxLayout lays out components
- 8313810: BoxLayout uses <blockquote> instead of list for layout options
Changes: https://git.openjdk.org/jdk/pull/15182/files
Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=15182&range=00
Issue: https://bugs.openjdk.org/browse/JDK-8313810
Stats: 34 lines in 1 file changed: 14 ins; 1 del; 19 mod
Patch: https://git.openjdk.org/jdk/pull/15182.diff
Fetch: git fetch https://git.openjdk.org/jdk.git pull/15182/head:pull/15182
PR: https://git.openjdk.org/jdk/pull/15182
