Function replaceRange

static/mergely/lib/codemirror.js:4572–4577

(doc, code, from, to, origin)

  }

  function replaceRange(doc, code, from, to, origin) {
    if (!to) to = from;
    if (cmp(to, from) < 0) { var tmp = to; to = from; from = tmp; }
    if (typeof code == "string") code = doc.splitLines(code);
    makeChange(doc, {from: from, to: to, text: code, origin: origin});
  }

  // SCROLLING THINGS INTO VIEW