Function escapeRegExp

scripts/readme.js:50–52

(str)

//https://stackoverflow.com/questions/1144783/how-to-replace-all-occurrences-of-a-string-in-javascript
function escapeRegExp(str) {
    return str.replace(/[.*+?^${}()|[\]\\]/g, "\\$&"); // $& means the whole matched string
}

function rewriteURLs(html) {
    for (var key in map) {