Vim Color Scheme behaving oddly in tmux -

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when set theme dark background in vim, on opening file in tmux, background spreads around lines having text. (please see attached image) tmux.conf has set-option -g default-terminal "xterm-256color" , .cshrc file has setenv term xterm-256color

vimrc screenshot

i think, question answered here.

the fix disable background color erase property terminal: :set t_ut=


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