For various other reasons, I re-installed and the ???? and validation problems have gone. Looks like I caused the problem myself. Apologies if I wasted anyone’s time. Thanks again for an excellent plug-in.
http://www.weedavid.com is the address, rather than example above.
For some reason I get ???? before the start of the generated code and the page won’t validate. Can anyone shed any light on what I’m doing wrong?
View the source for an example