success
EditionOpenerParamBlock
#include <Editions.h>
typedef struct EditionOpenerParamBlock { Size Offset Description
EditionInfoRecord info; Û38 0 edition container to be
subscribed to
SectionHandle sectionH; Û4 42 publisher or subscriber
requesting open
FSSpecPtr document; Û4 46 document passed
OSType fdCreator; Û4 50 Finder creator type
long ioRefNum; Û4 54 reference number
FormatIOProcPtr ioProc; Û4 58 routine to read formats
Boolean success; Û2 62 reading or writing
unsigned char formatsMask; 1 64 formats required to
subscribe