===================================================================
RCS file: /cvs/mandoc/gmdiff,v
retrieving revision 1.10
retrieving revision 1.12
diff -u -p -r1.10 -r1.12
--- mandoc/gmdiff	2018/04/24 13:58:30	1.10
+++ mandoc/gmdiff	2025/06/26 17:04:44	1.12
@@ -36,7 +36,7 @@ elif [ "X$1" = "X-u" ]; then
   MOPT="-Ios=OpenBSD -Wall -Tutf8 $MOPT"
   COLPIPE="cat"
 else
-  ROFF="groff -et -ww -mtty-char -Tascii -P -c"
+  ROFF="groff -ket -ww -mtty-char -Tascii -P -c"
   MOPT="-Ios=OpenBSD -Wall -Tascii $MOPT"
   COLPIPE="cat"
 fi
@@ -45,13 +45,13 @@ while [ -n "$1" ]; do
   file=$1
   shift
   echo " ========== $file ========== "
-  $ROFF -mandoc $file | $COLPIPE 2> /tmp/roff.err > /tmp/roff.out
-  ${MANDOC:=mandoc} $MOPT $file | $COLPIPE \
+  ($ROFF -mandoc $file | $COLPIPE) 2> /tmp/roff.err > /tmp/roff.out
+  (${MANDOC:=mandoc} $MOPT $file | $COLPIPE) \
     2> /tmp/mandoc.err > /tmp/mandoc.out
   for i in roff mandoc; do
     [ -s /tmp/$i.err ] && echo "$i errors:" && cat /tmp/$i.err
   done
-  diff -au /tmp/roff.out /tmp/mandoc.out 2>&1
+  diff -au $DIFFOPT /tmp/roff.out /tmp/mandoc.out 2>&1
 done
 
 exit 0