Hello Tom,
I was trying to post a link on a tutorial comment and it returned an HTML string half finished.
How I reproduced:
You can try out to see with your own eyes.
scirra.com/tutorials/355/making-character-composed-of-multiple-parts
After many tries to repair that given code (by editing the comment) I found a way to reproduce the link, simple putting a "<" on the begin of the address. So, I believe it's missing in the comments code, because then it bug, it return something like this:
a href="https://dl.dropbox.com/u/47035927/Samples/Practice/practice.capx" rel="nofollow">https://dl.dropbox.com/u/47035927/Samples/Practice/practice.capx