## Comment : From CV tests serie page 60
## ======================================
-puts "TODO ?OCC26556 ALL: ERROR. offsetperform operation not done."
-
+puts "TODO OCC26556 ALL: ERROR. offsetperform operation not done."
restore [locate_data_file CCV_2_d1_gsw.rle] s
explode s F
catch {offsetcompshape result s -2 s_17}