The segment produced by a 1-based source line, or -1 when the line produced no segment (a comment, a blank line, or a non-motion command). Resolves to the first segment whose source byte falls within the line's byte range.
line
The segment produced by a 1-based source
line, or -1 when the line produced no segment (a comment, a blank line, or a non-motion command). Resolves to the first segment whose source byte falls within the line's byte range.