This simplifies the handling in sort(1) and comm(1) quite a bit.
@@ -57,6 +57,7 @@ LIBUTILSRC =\
libutil/fshut.c\
libutil/getlines.c\
libutil/human.c\
libutil/linecmp.c\
libutil/md5.c\
libutil/memmem.c\
libutil/mkdirp.c\
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