// Test diagnostics.
// Ref: false

---
// Error: 1:17-1:19 expected length, found integer: a length needs a unit – did you mean 12pt?
#set text(size: 12)

---
#{
  let a = 2
  a = 1-a
  a = a -1

  // Error: 7-10 unknown variable: a-1 – if you meant to use subtraction, try adding spaces around the minus sign.
  a = a-1
}

---
#{
  // Error: 3-6 unknown variable: a-1 – if you meant to use subtraction, try adding spaces around the minus sign.
  a-1 = 2
}