Hi, As reported in https://bugs.debian.org/863437 line 23 (the .TH macro) in grep.1 contains a not defined `Dt' macro.
Please, consider something like the attached patch to fix it. Thanks, Santiago
Index: grep/doc/Makefile.am =================================================================== --- grep.orig/doc/Makefile.am +++ grep/doc/Makefile.am @@ -24,9 +24,12 @@ man_MANS = grep.1 fgrep.1 egrep.1 EXTRA_DIST = grep.in.1 CLEANFILES = grep.1 egrep.1 fgrep.1 +MAN_PAGE_UPDATED=$(shell $(top_srcdir)/build-aux/mdate-sh $(srcdir)/grep.in.1) + grep.1: grep.in.1 $(AM_V_GEN)rm -f $@-t $@ - $(AM_V_at)sed 's/@''VERSION@/$(VERSION)/' $(srcdir)/grep.in.1 > $@-t + $(AM_V_at)sed -e 's/@UPDATED@/$(MAN_PAGE_UPDATED)/' \ + -e 's/@''VERSION@/$(VERSION)/' $(srcdir)/grep.in.1 > $@-t $(AM_V_at)chmod a=r $@-t $(AM_V_at)mv -f $@-t $@ Index: grep/doc/grep.in.1 =================================================================== --- grep.orig/doc/grep.in.1 +++ grep/doc/grep.in.1 @@ -20,7 +20,7 @@ .. .\} . -.TH GREP 1 \*(Dt "GNU grep @VERSION@" "User Commands" +.TH GREP 1 "@UPDATED@" "GNU grep @VERSION@" "User Commands" .hy 0 . .SH NAME
