pub fn link_edge(source: &str, raw: &str) -> Option<Edge>Expand description
Turn a raw link string discovered by a text builder into an edge from
source to its resolved target.
Returns None for links with no file target (empty or anchor-only). A
fragment (#heading) is stripped from the target — which is the node
identity — and preserved as the edge’s link metadata. Non-URI targets are
resolved relative to source; URIs pass through unchanged.