Commit d209d646 authored by Paul Eggert's avatar Paul Eggert

Update from Gnulib

This incorporates:
2019-04-07 Add copyright notices in several files
* build-aux/config.sub, doc/misc/texinfo.tex, lib/_Noreturn.h:
Copy from Gnulib.
* lib/gnulib.mk.in: Regenerate.
parent c49f5d57
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