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Maybe few people use DDS anymore, let alone the DDS manual, but I'm
wondering about the section "Length for physical and logical files
(positions 30 through 34)" in Chapter 1 of "Programming DDS for
physical and logical files" (rzakbmst.pdf).
There it states "The system determines the number of bytes actually
occupied in storage as follows:" and for date, time, and timestamp, it
gives the "buffer length" which has been established numerous times on
this list as not the length of the field on disk.
I wonder how many people look at the DDS manual and think that "bytes
actually occupied in storage" means "bytes actually occupied on disk".
I'll bet it's a very high percentage (of the 7 people who consult the
DDS manual).
I think it's worth updating the manual so that it's clear that using
the L data type is not only more convenient than (for example) 5-byte
packed (8 0), but actually even saves disk space!
John
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