Comment 3 for bug 806985

Will try to rewrite https://reviews.mahara.org/#change,283 as Richard suggested:

I guess the other option is to make the html export filter compatible with both '&' and '&' - is it dangerous to do that? It's something I ended up doing for the download links to make them work with the media player in https://bugs.launchpad.net/mahara/+bug/548308