Please view the updated version in a blog format of this document here:
This doc outlines some uncommon but serious mistakes and suggests how to avoid those.
Is this the final document? The last line says
Declaring global variable inside an addin class:
The colon makes it seem as though there should be some content to follow.
I guess some words were cut-off during upload. I'll update it.
The document is rewritten in a blog - please visit that blog and share your ideas: