escaped *emphasis*.
escaped \*emphasis\* in a code span
escaped \*emphasis\* in a code block\ ` * _ { } [ ] ( ) > # + - . !
one_two one_two
one*two one*two
escaped \*emphasis\*.
`escaped \*emphasis\* in a code span`
escaped \*emphasis\* in a code block
\\ \` \* \_ \{ \} \[ \] \( \) \> \# \+ \- \. \!
_one\_two_ __one\_two__
*one\*two* **one\*two**