- pre = unlocked.innerHTML.substring(0,i);
- post = unlocked.innerHTML.substring(j);
-
- sym = lookup_tex(match);
- if (typeof sym != "undefined") {
- len1 = unlocked.innerText.length;
- unlocked.innerHTML = pre + sym + post;
- len2 = unlocked.innerText.length;
- restoreSelection(len2 - len1);
- return suppressdefault(e,true);
+ sym = unescape_html(lookup_tex(match));
+ if (sym != "undefined") {
+ if (window.getSelection) { // non IE
+ savedRange.setStart(savedsc,savedso - (j-i));
+ savedRange.deleteContents();
+ savedRange.insertNode(document.createTextNode(sym));
+ savedsc.parentNode.normalize();
+ if (savedRange.collapsed) { // Mozilla
+ savedRange.setEnd(savedsc,savedRange.endOffset + sym.length);
+ }
+ savedRange.collapse(false);
+ } else {
+ savedRange.moveStart(i-j);
+ savedRange.text(sym);
+ savedRange.collapse(false);
+ }
+ restoreSelection(savedRange);
+ return suppressdefault(e,true);