use <line 1> include <line 1>

cube("line 3");
// see merge request #4221 and #4211 for context
include
< line 6
line 7
line 8
line 9
>

cube("line 12");

use
<line 15
line 16>

cube("line 18");

line20 = "
line21
line22
line23
";

cube("line 26");

cube(
[29,
30,
31]);

cube("line 33");

function line35() =
    line36;
    
cube("line 38");

/* line 40
line 41 */

//line 43

square("line45"); cube("line 45");

!
square("line48");

assert(false && "line 50");