I went to add a couple of extra comments in post 13 of “.rhp debug technique” topic in Rhino developer.
After adding two sentences which showed up OK in the edit window, I committed the edit and only one of the changes showed up in the original post. I then re-opened the edit window and both changes were visible, so I cancelled the edit. Then the original post was empty. I re-opened the edit window and all the edited text showed up. I cancelled again and the original post was still empty.
I shifted out of Rhino developer and then back to it with the “go to another topic list” button at the top and when I reopened the topic all my text was back in post 13.
I’ve got nothin’ else. Hope this helps.