Added is_list_val_or_list_of_list_val to lib/arg_check.py.
This function is not yet done.
task #7791: (https://gna.org/task/index.php?7791 ) the dx.map should accept a list of list with values for points.
Authored by: tlinnet 2014-05-08
Parent: [r23078]
Child: [r23080]