44e274bfba
All violations of rule [EmptyStatementNotInLoop](http://pmd.sourceforge.net/pmd-5.2.3/pmd-java/rules/java/empty.html#EmptyStatementNotInLoop) are fixed. Empty statements sometimes were used to trick Checkstyle to allow empty blocks. While generally empty blocks are bad practice, there are too many of them in Checkstyle code to fix them in scope of this commit. Instead, [EmplyBlock](http://checkstyle.sourceforge.net/config_blocks.html#EmptyBlock) setting was changed to allow empty block when there is comment inside it for Checkstyle codebase. |
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