>>>  Do people version-control their board files
>>
>> Of course we do. Every PCB I design has both the bare
>> circuit board part number and revision in the copper.

Sigh.  I seldom have room on copper OR silkscreen layers (it's
not that my boards are particularly dense, but that I tend to
shrink them till they are as small as possible.  It seems that
"as small as possible" may be rather smaller than "as small as
sensible...")

BillW
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