HMENDDOC - An import comment to that indicates the end of the model documentation into HM.
The $HMENDDOC card indicates the end of a card used for model documentation. Any number of comment lines can be placed before this line. The beginning of this block is indicated by a $HMBEGINDOC statement. Only one model documentation block is allowed per model. Upon import, the comments within the block are placed in the control card “Model Documentation”.