8081820: javadoc does not report warnings in case of multiple "@param" tags for the same parameter and multiple "@return" tags for the same method.
Reviewed-by: jjg
Contributed-by: istomin.den@gmail.com

8138725: Add options for Javadoc generation
Reviewed-by: ksrini, bpatel, ahgross

8160196: Module summary page should display information based on "api" or "detail" mode.
Reviewed-by: jjg, ksrini

8150096: Cleanup synthetic JCCompilationUnit for html files
Reviewed-by: jjg

8072945: Javadoc should generate valid and compliant HTML5 output
Reviewed-by: jjg, ksrini

8071851: Provide filtering of doclint checking based on packages
Summary: Introducing -Xdoclint/package:<packages> doclint option to enable/disable checking of specified packages.
Reviewed-by: jjg, darcy

8073550: java* tools: replace obj.getClass hacks with Assert.checkNonNull or Objects.requireNonNull
Summary: replace getClass() with approapriate NPE checks
Reviewed-by: jjg
Contributed-by: aleksey.shipilev@oracle.com

8056061: Mark implementations of public interfaces with an annotation
Summary: Adding @DefinedBy annotation to mark methods that implement public API methods; annotating the methods; adding a coding rules analyzer to enforce all such methods are annotated.
Reviewed-by: jjg, mcimadamore, jfranck
Contributed-by: jan.lahoda@oracle.com, jonathan.gibbons@oracle.com

8054834: Modular Source Code
Reviewed-by: alanb, chegar, ihse, mduigou
Contributed-by: alan.bateman@oracle.com, alex.buckley@oracle.com, chris.hegarty@oracle.com, erik.joelsson@oracle.com, jonathan.gibbons@oracle.com, karen.kinnear@oracle.com, magnus.ihse.bursie@oracle.com, mandy.chung@oracle.com, mark.reinhold@oracle.com, paul.sandoz@oracle.com