Here is some {--*incorrect*--} Markdown.  I am adding this{++ here.++}.  Here is some more {--text
that I am removing--}text.  And here is even more {++text that I
am ++}adding.{~~

~>  ~~}Paragraph was deleted and replaced with some spaces.{~~  ~>

~~}Spaces were removed and a paragraph was added.

And here is a comment on {==some
 ==text== ==}{>>This works quite well. I just wanted to comment on it.<<}. Substitutions {~~is~>are~~} great!

General block handling.

{--

* test
* test
* test
    * test
* test

--}

{++

* test
    * test
* test
* test
* test

++}
