I've just noticed this appearing - and so causing simple links to fail.
I basically have a page set up to add or edit records, and each goes to a
confirmation page, saying that the record has been added or updated. All of
that is working fine.
On that page, I just have a couple of links to either return to the main
listing, or to add / edit another record.
The links in the code just appear as normal, ie mainlisting.php or
However, when I click on then, they're appearing as mainlisting.php?3E in the
browser, and causing a ...