master
maint: update copyright year number ranges
find: allow -user,-group to accept larger integers beyond INT_MAX
Make the LDADD changes suggested by the gnulib importer.
find: delete some unused code.
maint: convert tabs to spaces in source files.
doc: find(1): point out -{a,c,}newer / -newerXY eqivalence.
maint: prefer NULL to nullptr
lib: extract decimal_absval_add_one for use as a library function.
maint: remove spurious blank lines from source.
maint: fix indentation mistakes by GNU indent.
find: delete wholly-empty function header comments.