++ INLINE
Some --struck through-- text
--Nested **strike**through--
++ EXTRA
Some ~~struck through~~ text
~~Nested **strike**through~~
++ BLOCK
Some [[s]]strikethrough[[/s]]
Empty [[s]][[/s]]
More [[strikethrough]]strikethrough text[[/strikethrough]]
[[s class="mistake" style="color: blue"]]attributes[[/s]]
A [[s]]multiple
paragraph
strikethrough[[/s]] yeah