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subroutines and libraries can have that lifespansubroutines and libraries can have that lifespanPosted May 24, 2005 17:55 UTC (Tue) by stevenj (guest, #421)In reply to: What are you missing? by clugstj Parent article: Public Domain Enhancement Act reintroduced While complete programs from 50 years ago may be mainly a curiosity, isolated subroutines and libraries can have that kind of lifespan. See, for example Netlib, which includes some numerical subroutines from the 1960s that are still widely used. (Most of these are in the public domain already, because prior to 1976 you had to explicitly write "copyright (c)" etc. in order to get copyright protection.)
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