[MlMt] Force compose in tab

[Alain Israel]

> On 16 Feb 2018, at 9:38, Ian Petersen wrote:
>
>>> Is it possible to force Mailmate compose messages in tabs instead of 
>>> a separate window ?
>>
>> Hmm, my mailmate always opens the compose window in a tab - which I 
>> find rather annoying actually. I’ve discovered that it opens the 
>> compose window in a tab when the application is full screen, but it 
>> opens in a separate window if the app is not full screen.
>
> Note the “Prefer tabs...” setting in the Dock pane of the System 
> Preferences.
>
> -- 
> Benny

I have this setting ON (in the Finder preferences; in the System 
preferences, there does not seem to be a Prefer tabs setting in the Dock 
pane), but the new messages still open in a separate window.

Alain