message: Do not call document.save() in formatter
  Related to
  Fix
diff: @@ -191,15 +191,11 @@ export class LatexFormatterProvider implements vscode.DocumentFormattingEditProv
  public provideDocumentFormattingEdits(document: vscode.TextDocument, _options: vscode.FormattingOptions, _token: vscode.CancellationToken):
  vscode.ProviderResult<vscode.TextEdit[]> {
  - return document.save().then(() => {
  return this.formatter.formatDocument(document)
  - })
  }
  public provideDocumentRangeFormattingEdits(document: vscode.TextDocument, range: vscode.Range, _options: vscode.FormattingOptions, _token: vscode.CancellationToken): vscode.ProviderResult<vscode.TextEdit[]> {
  - return document.save().then(() => {
  return this.formatter.formatDocument(document, range)
  - })
  }
  }
  