Parse a small markdown subset (**bold**, *italic*, ***both***) into styled runs. Backslash escapes \* and \\. Newlines are preserved as literal characters inside a run — they're not run-boundary markers in this format.
**bold**
*italic*
***both***
\*
\\
Parse a small markdown subset (
**bold**,*italic*,***both***) into styled runs. Backslash escapes\*and\\. Newlines are preserved as literal characters inside a run — they're not run-boundary markers in this format.