Bugs in ARP library v39.1 (4/9/89) or ARP includes:
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arp.library:  misspelling of PMEM_NAME 'ARP_PMEM' -> 'ARP_PMEN'
                                                             ^
                 change includes !!!

arpbase.h:    wrong size of rpn_Usage in struct ResidentProgramNode

                 LONG rpn_Usage
                 ^^^^
                 WORD !!!

arp.library:  function SyncRun() closes given input/output filehandles
              before return -> perhaps missing PRB_SAVEIO in structure
              ProcessControlBlock
