Help for GTDEL

PURPOSE
     GTDEL is a VICAR applications program that deletes label items
     with a specified prefix from a GeoTIFF label.
     
CALL
     gtdel INP PREFIX
  WHERE:
     INP           is the input VICARGT image file to be updated.
     PREFIX        is the label name prefix of the item(s) to be deleted.

RESTRICTIONS
------------

INP and PREFIX must be less than 100 characters long.

REFERENCES

     Ritter, N., Ruth, M. "GeoTIFF Format Specification, Revision 1.0",
     JPL Cartographic Applications Group.
     
WRITTEN BY:            W. L. Bunch
COGNIZANT PROGRAMMER:  W. L. Bunch

REVISIONS: 
  2005-04-11 WLB Initial version
  2008-01-03 WLB Switched to USES_ANSI_C AND LIB_CARTO; misc cleanup  
  2015-10-15 WLB Migrated to mipl

Original Programmer:  W. L. Bunch
Cognizant Programmer: W. L. Bunch

PARAMETERS: