Subject: bug#31968: 26.1.50; Allow to hide title bar on maximize (gtk/gnome/csd)

From: Carlos Pita <[email-masked]>
Date: Mon, 2 Jul 2018 23:06:02 -0300

Cinnamon just added support for _GTK_HIDE_TITLEBAR_WHEN_MAXIMIZED to muffin
after I requested it because of this issue!!!