1 PRINT-ATTR_ARGS INPUT (DISPLAY): a, line!(), b
2 PRINT-ATTR_ARGS RE-COLLECTED (DISPLAY): a, line! (), b
3 PRINT-ATTR_ARGS INPUT (DEBUG): TokenStream [
6 span: $DIR/nonterminal-expansion.rs:13:27: 13:28 (#4),
11 span: $DIR/nonterminal-expansion.rs:13:28: 13:29 (#4),
18 span: $DIR/nonterminal-expansion.rs:19:19: 19:23 (#0),
23 span: $DIR/nonterminal-expansion.rs:19:23: 19:24 (#0),
26 delimiter: Parenthesis,
27 stream: TokenStream [],
28 span: $DIR/nonterminal-expansion.rs:19:24: 19:26 (#0),
31 span: $DIR/nonterminal-expansion.rs:13:30: 13:35 (#4),
36 span: $DIR/nonterminal-expansion.rs:13:35: 13:36 (#4),
40 span: $DIR/nonterminal-expansion.rs:13:37: 13:38 (#4),