Robert Muir f41eabdc5f
LUCENE-8279: fix javadocs wrong header levels and accessibility issues
Java 13 adds a new doclint check under "accessibility" that the html
header nesting level isn't crazy.

Many are incorrect because the html4-style javadocs had horrible
font-sizes, so developers used the wrong header level to work around it.
This is no issue in trunk (always html5).

Java recommends against using such structured tags at all in javadocs,
but that is a more involved change: this just "shifts" header levels
in documents to be correct.
2020-02-08 10:00:00 -05:00
..

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