Alan,
just to confirm, QSAS does not use your colour bar code, nor does it
use label_box_custom(). Alban wrote his own colour bar using plbox().
This means any change we made to label_box_custom is historical and nugatory,
and only the
changes to plbox() are relevant ( the else{ } ).
In fact we do not include pllegend.c in our version of plplot at all, which is
why I did
not see label_box_custom() being called.
All the best
Tony
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