--- groff-1.19.2/src/roff/grog/grog.sh.orig 2011-06-27 14:54:40.858321788 +0100

+++ groff-1.19.2/src/roff/grog/grog.sh 2011-06-27 15:27:31.883042290 +0100

@@ -35,7 +35,7 @@

.SO_END/' \

| $soelim \

| egrep '^\.(P|PS|[PLI]P|[pnil]p|sh|Dd|Tp|Dp|De|Cx|Cl|Oo|.* Oo|Oc|.* Oc|TS|EQ|TH|SH|\[|\]|R1|GS|G1|PH|SA|SO_START|SO_END)' \

-| awk '

+| gawk '

/^\.SO_START$/ { so = 1 }

/^\.SO_END$/ { so = 0 }

/^\.TS/ { tbl++; if (so > 0) soelim++ }