< "less < then"

atx heading < "less < then"

setext heading 1 < "less < then"

setext heading 2 < "less < then"

bullet follows

in paragraph < "less < then" < "less < then" < "less < then" < "less < then" < "less < then" < "less < then" BR
end paragraph

links < link "less < then" < image "less < then" end links

extension strike-through < "less < then"

(extension) multiline atx heading

< "less < then"

end extensions

links and code and tags in atx headings

atx t

atx i

atx code

atx

atx <

atx <

links and code and tags in setext headings

t

i

code

cmark handles tag without other text differently:

with other text

<

<

(extension) multiline atx

t i code < <

end links and code and tags in headings