reGroffStudioVersion := TRegExpr.Create('studio-macos ([\d\.]+) (.*)$');
        reGroffStudioVersion.ModifierM := True;
        if reGroffStudioVersion.Exec(OnlineVersionsFile) then
        begin
          // Compare the two versions - ours and the online one:
          GroffHelpers.VerStrCompare(reGroffStudioVersion.Match[1], FileVerInfo.VersionStrings.Values['FileVersion'], HasVersionUpdate);
          if HasVersionUpdate > 0 then
            MainStatusBar.Panels[2].Text := 'update ' + reGroffStudioVersion.Match[1] + ' available'
          else
            MainStatusBar.Panels[2].Text := IntToStr(HasVersionUpdate);
        end;
      end else begin
        edtOnlineGroffVersionWindows.Text := 'n/a';
        btnDownloadGroffWindows.Enabled := False;
      end;
    finally
      if updateCheck then HTTPClient.Free;