Canonicalize a comment-kv key alias (case-insensitive) to its stored form. A key with no known alias is returned unchanged (original casing preserved), so this is safe to apply to every bare k=v token, not just geo ones.
k=v
Canonicalize a comment-kv key alias (case-insensitive) to its stored form. A key with no known alias is returned unchanged (original casing preserved), so this is safe to apply to every bare
k=vtoken, not just geo ones.