Quote Originally Posted by birdman View Post
I have come across a quirk, that I reckon I can fix.
Working.

Turns out that it didn't happen all the time. [S,AD][HD] was OK. As was [S, AD].
C4 uses [AD,S].

But eventually found that EastEnders on BBC ONE (SD) triggered it, so was able to test the result.

I'll wait for other comments before updating....