> target: prereq
>     FOO_COMMAND | BAR_COMMAND
>     st = $status
>     if (~ $st ?* ^ '|' ^ *) {
>         echo FOO_COMMAND failed
>         exit 3 }

i think there a bug in this.  a trailing ~ 1 1
or similar is necessary to clear the status from the if.

alternately, how about replacing the if with simply

        ! ~ $st ?* ^ '|' ^ *

which should correctly set the status.

- erik

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