[Feature] App maximalization on 2 monitor desktops

Hello,

First of all I love fluxbox, this is my window manager of choice since 
10 years and I am not looking to use any of the monstrosities like 
Gnome/Kde ever.
I only have a small feature request to the next version what the other 
WMs can do is that when you maximalize an app like firefox (what I like 
to do often when the webpage requires it then go back because I also 
like to see the underlying terminals in the background) then it 
maximizes it to both monitor and doesn't do that correctly either 
because the top of the browser slips into an invisible area and then the 
only way to get it back is to resize it with the bottom right corner and 
pull the top part down.

My nvidia config is basic screen extension to 2 monitors.

Section "Screen"
     Identifier     "Screen0"
     Device         "Device0"
     Monitor        "Monitor0"
     DefaultDepth    24
     Option         "Stereo" "0"
     Option         "metamodes" "DVI-I-2: nvidia-auto-select +0+0, 
DVI-I-3: nvidia-auto-select +1920+30"
     Option         "SLI" "Off"
     Option         "MultiGPU" "Off"
     Option         "BaseMosaic" "off"
     SubSection     "Display"
         Depth       24
     EndSubSection
EndSection

Also I know this was not sent to the feature-requests list that is 
because I couldn't find a subscribe button for it on sourceforge, please 
add that feature ;)

Thank you!


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