RFR: JDK-8276236: Table headers missing in Formatter api docs

[Sean Coffey]

On Mon, 1 Nov 2021 15:59:22 GMT, Ludvig Janiuk <duke at openjdk.java.net> wrote:

> Adds table headers to all tables in Formatter api docs. I inferred the header "Unicode" for the columns that contained unicode
> codepoints.
> 
> Formatter api docs: https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/Formatter.html

LGTM

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Marked as reviewed by coffeys (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/6195