Run job commands explicitly in the global enviroment (which can be

modified with setenv -g) rather than with the environment tmux started
with.

tmux.1

@@ -1745,6 +1745,10 @@ the
 .Ic status-interval
 option: if the status line is redrawn in the meantime, the previous result is
 used.
+Shell commands are executed with the
+.Nm
+global environment set (see the
+.Sx ENVIRONMENT section).
 .Pp
 #[attributes] allows a comma-separated list of attributes to be specified,
 these may be