Hi Eli, On Sat, Apr 6, 2024 at 8:06 AM Eli Zaretskii wrote: > Thanks, but "Slave buffer has disappeared" doesn't sound like a good > error message when master-of is nil, does it? Totally, the message will confuse the user. I modified the patch and it checks the parameter `master-of' and gives a message "Slave buffer does not exist" when it's nil. Please help review again. Thanks.