RFR: JDK-8298405: Support Markdown in the standard doclet

[Jonathan Gibbons]

On Sat, 7 Jan 2023 00:42:05 GMT, Jonathan Gibbons <jjg at openjdk.org> wrote:

>> You are correct. I keep forgetting about those now-deprecated-for-removal constructors for `java.lang.Boolean`.
>> 
>> What you have now is good. Alternatively, you could use `Boolean.TRUE.equals(b)`, a Yoda condition, which you might or might not find aesthetically pleasing.
>
> Like you I believe, Yoda conditions confusing I find.

There are no uses of the now-deprecated-for-removal constructors within this visitor, so the only values will be `null`, `Boolean.TRUE`, and boxed booleans.  

In addition, the `reduce` method on line 229 already uses `== Boolean.TRUE`.  

I'll update the expression.

-------------

PR: https://git.openjdk.org/jdk/pull/11701