this is a sentence*with*mid asterisks

this is a sentence**with**two mid asterisks

this is a sentence***with***three mid asterisks

this is a sentence with just*one asterisk

this is a sentence with just**one asterisk

this is a sentence with just***one asterisk

this is double**asterisk**mid word

this has just**one double asterisk

this has just***one triple asterisk

this *should be parsed* as emphasis

this **should be parsed** as bold

this ***should be parsed*** as bold and emphasis

emphasis at *end of sentence*

bold at **end of sentence**

bold and emphasis at ***end of sentence***

*emphasis at* line start

**bold at** line start

***bold and emphasis at*** line start

multi *line emphasis
yeah it is* yeah


multi **line emphasis
yeah it is** yeah


multi ***line emphasis
yeah it is*** yeah