# for any numeric field in any unit add `'cut_zeros' => 1` to it's definition
# do following steps for this set of numbers:
* 10.000
* 100.000
* 101.000
* 101.100
* 101.10100
* 101.101
# open form, where field is displayed
# enter number
# submit the form with a validation error
# confirm, that number shown on form now doesn't have trailing 0