WARNING: Excludes are ignored by diff.groovy.

Base branch: master
Base branch last commit SHA: a978ce515873d3cc3b90b256f9690be8885b683c
Base branch last commit message: "config: remove gist patch for contribution/checkstyle-tester"

Patch branch: issue_3810
Patch branch last commit SHA: d7ec05e09a3c24a207750ded5d51883cfa62c8ec
Patch branch last commit message: "Issue #3810: Replaced singletonTag in nested html rules in javadoc grammar with singletonElement"