There is a nasty little bug in WP to diaspora — if you have text after a closing </pre>
, this text will occur in the preformatted block and not outside, which would be correct.
Here is the fix, if you do not want to wait until an update is released.
—-8<—-
Some text
a line preformatted text another line preformatted text
Some more text
a line preformatted text another line preformatted text
And more text at the end
—-8<—-