function becomeGibberish(poem, wordToReplace, gibberish) {
for (let ii = 0; ii < poem.length; ii++) {
let br = false;
let gibWord = gibberish;
let word = poem[ii];
let brIndex = word.indexOf("<br>");
if (brIndex != -1) {
word = poem[ii].substr(0, brIndex);
br = true;
}
if (word.includes(".")){
gibWord += ".";
word = word.replace(".", "");
}
if (word.includes(",")){
gibWord += ",";
word = word.replace(",", "");
}
if (word.toLowerCase() == wordToReplace) {
if (/[A-Z]/.test(poem[ii][0])) {
word = "<mark>" + RiTa.capitalize(gibWord) + "</mark>";
} else {
word = "<mark>" + gibWord + "</mark>";
}
poem[ii] = word;
if (br) poem[ii] += "<br>";
}
}
return poem.join(" ");
}