function markdown:next_char
execute if data storage markdown: str{1:"0"} run return run function markdown:document/number/
execute if data storage markdown: str{1:"1"} run return run function markdown:document/number/
execute if data storage markdown: str{1:"2"} run return run function markdown:document/number/
execute if data storage markdown: str{1:"3"} run return run function markdown:document/number/
execute if data storage markdown: str{1:"4"} run return run function markdown:document/number/
execute if data storage markdown: str{1:"5"} run return run function markdown:document/number/
execute if data storage markdown: str{1:"6"} run return run function markdown:document/number/
execute if data storage markdown: str{1:"7"} run return run function markdown:document/number/
execute if data storage markdown: str{1:"8"} run return run function markdown:document/number/
execute if data storage markdown: str{1:"9"} run return run function markdown:document/number/

execute if data storage markdown: str{1:"."} run return run function markdown:document/number/_

return run function markdown:document/fallback