/// * an indented line with no preceding non-indented line
pub fn tablify(input: impl std::io::Read) -> Result<String, std::io::Error> {
let rows = read_rows(input).collect::<Result<Vec<_>, _>>()?;
/// * an indented line with no preceding non-indented line
pub fn tablify(input: impl std::io::Read) -> Result<String, std::io::Error> {
let rows = read_rows(input).collect::<Result<Vec<_>, _>>()?;