I deleted demo from the group and then rejoined to change demo's subscription. Now I'll post the same thing as the last post.
I changed teaser length to 200 and Message template for OG notifications (default) for Body from
[type-name] has been updated in group [ogname]: [title] [node-teaser] Read more at [node-url]
to
[type-name] has been updated in group [ogname]: [title] [node-body] Read more at [node-url]
I want the full post to be delivered by email, but just a short post on the group page.
Let's see what this looks like.
I wonder if it's long enough.