It looks like everytime I copy a permalink of one of my posts, the name of the post gets duplicated, making the URL copied into the clipboard an invalid one. For example,
If correct permalink to my post "Your life in six words?" is http://unusualorthodoxy.wordpress.com/2008/08/15/your-life-in-six-words/
But when I go to manage files and copy the permalink from there, the following gets copied into the clipboard:
Looks like I've been sending people incorrect links to blog posts.