Support terminal transparency by not setting window backgrounds #9
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Stop setting the background color of the tmux window. The effect of this change is to make tmux transparent in transparent terminals. One a properly set up terminal, this would have no other effect, as the background color of the terminal would be set correctly anyway.
This is a true fix for #5.
As examples: the window background color is not set in the following two tmux themes, both of which have good out-of-the-box transparent terminal support:
https://github.com/shaneog/tmux-colors-gotham
https://github.com/sei40kr/tmux-airline-dracula
I can change this to be toggled with an option, if you'd prefer that.