Constant mon_artist::test_data::BASIC_NAMED_UNCLOSED_PREFIX

pub const BASIC_NAMED_UNCLOSED_PREFIX: (&'static str, &'static str) = ("BASIC_NAMED_UNCLOSED_PREFIX",
 r#"
.----.  top
|[b] |
'-  -+  bottom
^
| We used to omit steps before top-left corner here
  [note]

[b]: stroke='blue'
[note]: font-size='10' font-style='italic' font-family='Trattatello'
"#)