etElementById("pa-button");
  let d = document.getElementById("display");

  if (paButton.innerText == "Show") {
    paButton.innerText = "Hide";
    d.classList.add("highlight-bold");
  } else {
    paButton.innerText = "Show";
    if (d.classList.contains("highlight-bold")) {
      d.classList.remove("highlight-bold");
    }
  }
}

/// 
// END_BLOCK: js_functions






// ================
//  Sentence Utils
// ================
//
// processes the sentence
// - removes newlines
// - replaces bold with [...