If none of these lookups succeeds, then the lookup fails.
If all of the successful lookups found the
.I "same assignment"
-(not just the same value!)
+(not just the same value!)\&
then lookup finds that assignment.
Otherwise, the lookup reports an error.
.
(For some reason,
the ECL developers are changing
the way ECL recognizes command-line options,
-because they think that the minor aesthetic improvement
+because they think that the minor \(aesthetic improvement
is worth breaking everyone's scripts.)
This is determined by the
.B ecl-opt