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The Valid_State_Data_Index procedure returns true iff the Data_Index is in a valid state - that is, iff the Data_Index passes all of the valid state tests.
Calling syntax:
| Logical = Valid_State(Index) |
Input variables:
| Index | The Data_Index to be checked. |
Output variable:
| Valid_State | True iff the Data_Index is in a valid state. |
The Valid_State_Data_Index code listing contains additional documentation.