"J.P." <jp@neverwas.me> writes:

> These changes introduced a(t least one) bug. To reproduce, call
> `erc-display-line' with a list of buffers, and notice only the first
> sees its message inserted with the correct text properties. A quick way
> to simulate this is by having two clients join the same two channels
> and then having one quit. The expected text props will be missing from
> one of the inserted
>
>   *** someuser (n!~u@h) has quit
>
> messages. Verify by going to the first asterisk and doing C-u C-x =.
>
> Fix forthcoming.

The second of the attached patches should hopefully do the trick.