message: Fix duplicate labels in the same file not spotted
diff: @@ -78,12 +78,12 @@ export class DuplicateLabels {
  if (duplicates.includes(ref.label)) {
  if (! (cachedFile in diagsCollection)) {
  diagsCollection[cachedFile] = []
  + }
  const range = ref.range instanceof vscode.Range ? ref.range : ref.range.inserting
  const diag = new vscode.Diagnostic(range, `Duplicate label ${ref.label}`, vscode.DiagnosticSeverity.Warning)
  diag.source = 'DuplicateLabels'
  diagsCollection[cachedFile].push(diag)
  }
  - }
  })
  })
  