After crash mail list view is single line. Was 3 lines per message and is set to 3 lines per message

[cyberzork]

See the following thread.

Email preview in message list (0-3 lines) doesn't appear to work correctly

I have tried using the “Email preview in message list (0-3 lines)” that is new to version 9. I can get a single line preview to work, but when I try 2 or 3 lines, it seems to default to no preview or a single line.