2.
The selected row has a simple format and specification. Hence there is no
ambiguity for Designer in mapping the format with the specification. Designer
shows the correct mapping in this case
3.
But in complex cases, where there is ambiguity in resolving the format and
specification of sub-fields, Designer is clueless and the mapping needs to be done
by the user. Consider the following case.
4.
The Field Formats dialog for this case shows