The input output ports can have names starting with number
The input output ports can have names starting with number, which is not allowed in expression
(from redmine: issue id 886, created on 2012-06-29, closed on 2012-07-16)
The input output ports can have names starting with number, which is not allowed in expression
(from redmine: issue id 886, created on 2012-06-29, closed on 2012-07-16)