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Paul Eggert authored
This incorporates: 2020-01-18 Rename ~~gnulib.m4 to zzgnulib.m4 2020-01-18 Fix "m4_require: circular dependency of AC_LANG_COMPILER(C)" 2020-01-18 Ensure Automake does not drop ~~gnulib.m4 2020-01-18 Fix major regression from 2020-01-10 * m4/00gnulib.m4, m4/gnulib-common.m4: Copy from Gnulib. * m4/gnulib-comp.m4: Regenerate. * m4/zzgnulib.m4: New file, from Gnulib.
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