1error: cannot find macro `k` in this scope
2  --> $DIR/macro_undefined.rs:11:5
3   |
4LL |     macro_rules! kl {
5   |     --------------- similarly named macro `kl` defined here
6...
7LL |     k!();
8   |     ^ help: a macro with a similar name exists: `kl`
9
10error: aborting due to previous error
11
12