cubicweb-medicalexp #3455814 Device serialnum should not be limited to digits [validation pending]

prioritynormal
typebug
done in0.7.0
load0.200
load left0.000
closed by#c09aec6fde88 [schema] Device serialnum should not be limited to digits, closes #3455814
patch[schema] Device serialnum should not be limited to digits [applied]