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help: Always use xdg-open if available
Even if $DISPLAY is unset, xdg-open can be useful, and on systems that have xdg-open, "open" is most likely some god awful outdated thing called "openvt" elsewhere. Fixes #6739 [ci skip]
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@ -68,8 +68,7 @@ function help --description 'Show help for the fish shell'
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if type -q cygstart
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set fish_browser cygstart
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# If xdg-open is available, just use that
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# but only if an X session is running
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else if type -q xdg-open; and set -q -x DISPLAY
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else if type -q xdg-open
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set fish_browser xdg-open
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end
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