`.` will make a rounded corner for top-left and top-right
`,` will make a rounded corner, only on the top-left
`\`` will make a rounded corner for bottom-left
`'` will make a rounded corner for bottom-left and bottom-right
`+` will make a sharp corner when connected from 2 perpendicular lines.
will become a cross-section when connected from 4 directions (top, right, bottom, left)
`\*` is a small solid circle when connected to a line
`o` is a small clear circle when connected to a line
`O` is a bigger clear circle when connected to a line
`-` is a solid line
when 3 `- - -` is separated by space will make a broken line
`|` is a vertical line
`~` is a broken line
`\_` is a lowered solid line
`:` is a vertical broken line
`!` is a vertical broken line
`<` will make an arrow to the left if a line connects from right
`>` will make an arrow to the right if a line connects from left
`V` will make an arrow pointing bottom if a line connects from top
will make an arrow pointing bottom-left if a line connects from top-right
will make an arrow pointing bottom-right if a line connects from top-left
`^` will make an upward arrow if a line connects from bottom
will make an arrow pointing top-left if a line connects from bottom-right
will make an arrow pointing top-right if a line connects from bottom-left