Twas brillig at 22:55:16 14.03.2010 UTC+01 when peut_at_peut.org did gyre and gimble:
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Sounds really like sonames (semantically, not implementation-wide).
patchlevel increase: no ABI changes, no problem to upgrade library
in-place.
minor version increase: conservative ABI extension, not a problem for
VMS if new entries are added to the end of list (which is sane thing to
do, I presume). New version will serve all applications linked with with
library with the same major version just fine.
major version increase: ABI breakage. Another version of library should
be installed alongside the older one.
-- http://fossarchy.blogspot.com/
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