+ // vm is 0 (we need to check if this element is allowed to be empty) FIXME
+
+ // note (JPR)
+ // ----
+ // Entries whose type is 1 are mandatory, with a mandatory value.
+ // Entries whose type is 1c are mandatory-inside-a-Sequence,
+ // with a mandatory value.
+ // Entries whose type is 2 are mandatory, with an optional value.
+ // Entries whose type is 2c are mandatory-inside-a-Sequence,
+ // with an optional value.
+ // Entries whose type is 3 are optional.
+
+ // case vc == 0 is only applicable for 'type 2' entries.
+ // Problem : entry type may depend on the modality and/or the Sequence
+ // it's embedded in !
+ // (Get the information in the 'Conformance Statements' ...)