after the first in each line of a set list are ignored. This introduces
no change in current set list behavior, but will need to be revisited if
we wish to distribute files with spaces in their names -- in this case we can
move to tab separated fields or some other behavior.
Current set lists work exactly as before, but in the future set lists may
have additional fields for use in a system packaging script.
I will post a detailed work plan for the system package system which uses
this to tech-pkg and tech-install in the next day or so.
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