RFR: 8154399, 8159096, export packages containing standard javadoc doclet

[Mandy Chung]

> On Jun 16, 2016, at 7:28 PM, Jonathan Gibbons <jonathan.gibbons at oracle.com> wrote:
> 
> Please review this simple fix for two related aspects of the same problem:
> 
> Export the "standard doclet" used by javadoc, such that it is possible to derive alternative doclets, either by delegation or subtyping.
> 
> In JDK 9, javadoc has a "new" standard doclet (JEP 221), but the old one remains for compatibility, for the time being. Both should be exported.
> 
> 
> Jigsaw folk:
>    Please review the changes to jdk.javadoc module-info.
> 
> Build folk:
>    The javadoc documentation is extended to include the documentation for the package containing the new StandardDoclet.
>    (The API for the old StandardDoclet was never published in this manner; it is only included in the javadoc tool guide, which remains unchanged, for now.)
> 
> javadoc folk:
>    The top level class for the new StandardDoclet is moved, without any functional change, from an internal package to the new exported package.
> 
> JBS: https://bugs.openjdk.java.net/browse/JDK-8154399
> https://bugs.openjdk.java.net/browse/JDK-8159096
> Webrev: http://cr.openjdk.java.net/~jjg/8154399/webrev.00


Looks fine to me.  

I’m sure you have considered the name of the new package is only one-character difference than jdk.javadoc.doclet.  Just wonder what the relationale is behind why the new StandardDoclet class is in a new package rather than in jdk.javadoc.doclet?

Mandy