* configure.ac: Call AC_PROG_EGREP.

* configure: Regenerated.

* Makefile.in (EGREP): New variable.
(MDEFINES): Add $(EGREP).

* src/roff/grog/grog.sh: Treat .TH between .TS and .TE properly
(bug reported by Robert Goulding <Goulding.2@nd.edu>).
Use @EGREP@.

* src/roff/grog/Makefile.sub (grog, grog.old): Use $(EGREP).

6 files changed, 232 insertions, 209 deletions

diff --git a/ChangeLog b/ChangeLog
index e6ce1473..ef9c0f3e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,17 @@
+2006-03-28  Werner LEMBERG  <wl@gnu.org>
+
+	* configure.ac: Call AC_PROG_EGREP.
+	* configure: Regenerated.
+
+	* Makefile.in (EGREP): New variable.
+	(MDEFINES): Add $(EGREP).
+
+	* src/roff/grog/grog.sh: Treat .TH between .TS and .TE properly
+	(bug reported by Robert Goulding <Goulding.2@nd.edu>).
+	Use @EGREP@.
+
+	* src/roff/grog/Makefile.sub (grog, grog.old): Use $(EGREP).
+
 2006-03-27  Werner LEMBERG  <wl@gnu.org>
 
 	Add two request `.device' and `.devicem' which are equivalent to
diff --git a/Makefile.in b/Makefile.in
index 88efdab9..6f293cf8 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -388,6 +388,8 @@ X_PRE_LIBS=@X_PRE_LIBS@
 YACC=@YACC@
 YACCFLAGS=-v
 
+EGREP=@EGREP@
+
 MAKEINFO=@MAKEINFO@
 
 EXEEXT=@EXEEXT@
@@ -441,6 +443,7 @@ MDEFINES= \
   "CPPFLAGS=$(CPPFLAGS)" \
   "DEVICE=$(DEVICE)" \
   "DVIPRINT=$(DVIPRINT)" \
+  "EGREP=$(EGREP)" \
   "ETAGS=$(ETAGS)" \
   "ETAGSCCFLAG=$(ETAGSCCFLAG)" \
   "ETAGSFLAGS=$(ETAGSFLAGS)" \
diff --git a/configure b/configure
index fde44575..655a8003 100755
--- a/configure
+++ b/configure
@@ -540,7 +540,7 @@ ac_includes_default="\
 # include <unistd.h>
 #endif"
 
-ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT CXX CXXFLAGS ac_ct_CXX TTYDEVDIRS OTHERDEVDIRS CPP X_CFLAGS X_PRE_LIBS X_LIBS X_EXTRA_LIBS XDEVDIRS XPROGDIRS XLIBDIRS appresdir LPR LP LPQ PSPRINT DVIPRINT PERLPATH YACC MAKEINFO RANLIB ac_ct_RANLIB INSTALL_INFO INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA LN_S SH_SCRIPT_SED_CMD GREP EGREP LIBC LIBM build build_cpu build_vendor build_os host host_cpu host_vendor host_os LIBICONV LTLIBICONV LIBOBJS BROKEN_SPOOLER_FLAGS PAGE g sys_tmac_prefix tmac_wrap GROFF_PATH_SEPARATOR ALT_GHOSTSCRIPT_PROGS GHOSTSCRIPT ac_ct_GHOSTSCRIPT pnmcut pnmcrop pnmtopng psselect pnmtops make_html make_install_html ALT_AWK_PROGS AWK ac_ct_AWK make_pdfdoc make_install_pdfdoc pnmtops_nosetpage GLIBC21 LTLIBOBJS'
+ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT CXX CXXFLAGS ac_ct_CXX TTYDEVDIRS OTHERDEVDIRS CPP X_CFLAGS X_PRE_LIBS X_LIBS X_EXTRA_LIBS XDEVDIRS XPROGDIRS XLIBDIRS appresdir LPR LP LPQ PSPRINT DVIPRINT GREP EGREP PERLPATH YACC MAKEINFO RANLIB ac_ct_RANLIB INSTALL_INFO INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA LN_S SH_SCRIPT_SED_CMD LIBC LIBM build build_cpu build_vendor build_os host host_cpu host_vendor host_os LIBICONV LTLIBICONV LIBOBJS BROKEN_SPOOLER_FLAGS PAGE g sys_tmac_prefix tmac_wrap GROFF_PATH_SEPARATOR ALT_GHOSTSCRIPT_PROGS GHOSTSCRIPT ac_ct_GHOSTSCRIPT pnmcut pnmcrop pnmtopng psselect pnmtops make_html make_install_html ALT_AWK_PROGS AWK ac_ct_AWK make_pdfdoc make_install_pdfdoc pnmtops_nosetpage GLIBC21 LTLIBOBJS'
 ac_subst_files=''
 
 # Initialize some variables set by options.
@@ -5395,6 +5395,208 @@ echo $ECHO_N "checking for command to use for printing dvi files... $ECHO_C" >&6
 
    echo "$as_me:$LINENO: result: $DVIPRINT" >&5
 echo "${ECHO_T}$DVIPRINT" >&6
+echo "$as_me:$LINENO: checking for grep that handles long lines and -e" >&5
+echo $ECHO_N "checking for grep that handles long lines and -e... $ECHO_C" >&6
+if test "${ac_cv_path_GREP+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  # Extract the first word of "grep ggrep" to use in msg output
+if test -z "$GREP"; then
+set dummy grep ggrep; ac_prog_name=$2
+if test "${ac_cv_path_GREP+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  # Create a temporary directory, and hook for its removal unless debugging.
+$debug ||
+{
+  trap 'exit_status=$?; rm -f -r $tmp && exit $exit_status' 0
+  trap '{ (exit 1); exit 1; }' 1 2 13 15
+}
+
+# Create a (secure) tmp directory for tmp files.
+: ${TMPDIR=/tmp}
+{
+  tmp=`(umask 077 && mktemp -d -q "$TMPDIR/GREPXXXXXX") 2>/dev/null` &&
+  test -n "$tmp" && test -d "$tmp"
+}  ||
+{
+  tmp=$TMPDIR/GREP$$-$RANDOM
+  (umask 077 && mkdir $tmp)
+} ||
+{
+   echo "$me: cannot create a temporary directory in $TMPDIR" >&2
+   { (exit 1); exit 1; }
+}
+ac_path_GREP_found=false
+# Loop through the user's path and test for each of PROGNAME-LIST
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+as_dummy="$PATH:/usr/xpg4/bin"
+for as_dir in $as_dummy
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_prog in grep ggrep; do
+  for ac_exec_ext in '' $ac_executable_extensions; do
+    ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
+    test -f "$ac_path_GREP" || continue
+    $ac_path_GREP_found || if $as_executable_p "$ac_path_GREP"; then
+  # Check for GNU ac_path_GREP and select it if it is found.
+  # Check for GNU $ac_path_GREP
+if "$ac_path_GREP" --version 2>&1 < /dev/null | grep 'GNU' >/dev/null; then
+  ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:
+else
+  ac_count=0
+  echo $ECHO_N "0123456789$ECHO_C" >"$tmp/conftest.in"
+  while :
+  do
+    cat "$tmp/conftest.in" "$tmp/conftest.in" >"$tmp/conftest.tmp"
+    mv "$tmp/conftest.tmp" "$tmp/conftest.in"
+    cp "$tmp/conftest.in" "$tmp/conftest.nl"
+    echo 'GREP' >> "$tmp/conftest.nl"
+    "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "$tmp/conftest.nl" >"$tmp/conftest.out" 2>/dev/null || break
+    diff "$tmp/conftest.out" "$tmp/conftest.nl" >/dev/null 2>&1 || break
+    ac_count=`expr $ac_count + 1`
+    if test $ac_count -gt ${ac_path_GREP_max-0}; then
+      # Best one so far, save it but keep looking for a better one
+      ac_cv_path_GREP="$ac_path_GREP"
+      ac_path_GREP_max=$ac_count
+    fi
+    # 10*(2^10) chars as input seems more than enough
+    test $ac_count -gt 10 && break
+  done
+fi
+
+fi
+
+    $ac_path_GREP_found && break 3
+  done
+done
+
+done
+
+rm -rf "$tmp"
+
+fi
+
+GREP="$ac_cv_path_GREP"
+if test -z "$GREP"; then
+  { { echo "$as_me:$LINENO: error: no acceptable $ac_prog_name could be found in $PATH:/usr/xpg4/bin" >&5
+echo "$as_me: error: no acceptable $ac_prog_name could be found in $PATH:/usr/xpg4/bin" >&2;}
+   { (exit 1); exit 1; }; }
+fi
+
+fi
+
+
+fi
+echo "$as_me:$LINENO: result: $ac_cv_path_GREP" >&5
+echo "${ECHO_T}$ac_cv_path_GREP" >&6
+ GREP="$ac_cv_path_GREP"
+
+
+echo "$as_me:$LINENO: checking for egrep" >&5
+echo $ECHO_N "checking for egrep... $ECHO_C" >&6
+if test "${ac_cv_path_EGREP+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  if echo a | ($GREP -E '(a|b)') >/dev/null 2>&1
+   then ac_cv_path_EGREP="$GREP -E"
+   else
+     # Extract the first word of "egrep" to use in msg output
+if test -z "$EGREP"; then
+set dummy egrep; ac_prog_name=$2
+if test "${ac_cv_path_EGREP+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  # Create a temporary directory, and hook for its removal unless debugging.
+$debug ||
+{
+  trap 'exit_status=$?; rm -f -r $tmp && exit $exit_status' 0
+  trap '{ (exit 1); exit 1; }' 1 2 13 15
+}
+
+# Create a (secure) tmp directory for tmp files.
+: ${TMPDIR=/tmp}
+{
+  tmp=`(umask 077 && mktemp -d -q "$TMPDIR/EGREPXXXXXX") 2>/dev/null` &&
+  test -n "$tmp" && test -d "$tmp"
+}  ||
+{
+  tmp=$TMPDIR/EGREP$$-$RANDOM
+  (umask 077 && mkdir $tmp)
+} ||
+{
+   echo "$me: cannot create a temporary directory in $TMPDIR" >&2
+   { (exit 1); exit 1; }
+}
+ac_path_EGREP_found=false
+# Loop through the user's path and test for each of PROGNAME-LIST
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+as_dummy="$PATH:/usr/xpg4/bin"
+for as_dir in $as_dummy
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_prog in egrep; do
+  for ac_exec_ext in '' $ac_executable_extensions; do
+    ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
+    test -f "$ac_path_EGREP" || continue
+    $ac_path_EGREP_found || if $as_executable_p "$ac_path_EGREP"; then
+  # Check for GNU ac_path_EGREP and select it if it is found.
+  # Check for GNU $ac_path_EGREP
+if "$ac_path_EGREP" --version 2>&1 < /dev/null | grep 'GNU' >/dev/null; then
+  ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:
+else
+  ac_count=0
+  echo $ECHO_N "0123456789$ECHO_C" >"$tmp/conftest.in"
+  while :
+  do
+    cat "$tmp/conftest.in" "$tmp/conftest.in" >"$tmp/conftest.tmp"
+    mv "$tmp/conftest.tmp" "$tmp/conftest.in"
+    cp "$tmp/conftest.in" "$tmp/conftest.nl"
+    echo 'EGREP' >> "$tmp/conftest.nl"
+    "$ac_path_EGREP" 'EGREP$' < "$tmp/conftest.nl" >"$tmp/conftest.out" 2>/dev/null || break
+    diff "$tmp/conftest.out" "$tmp/conftest.nl" >/dev/null 2>&1 || break
+    ac_count=`expr $ac_count + 1`
+    if test $ac_count -gt ${ac_path_EGREP_max-0}; then
+      # Best one so far, save it but keep looking for a better one
+      ac_cv_path_EGREP="$ac_path_EGREP"
+      ac_path_EGREP_max=$ac_count
+    fi
+    # 10*(2^10) chars as input seems more than enough
+    test $ac_count -gt 10 && break
+  done
+fi
+
+fi
+
+    $ac_path_EGREP_found && break 3
+  done
+done
+
+done
+
+rm -rf "$tmp"
+
+fi
+
+EGREP="$ac_cv_path_EGREP"
+if test -z "$EGREP"; then
+  { { echo "$as_me:$LINENO: error: no acceptable $ac_prog_name could be found in $PATH:/usr/xpg4/bin" >&5
+echo "$as_me: error: no acceptable $ac_prog_name could be found in $PATH:/usr/xpg4/bin" >&2;}
+   { (exit 1); exit 1; }; }
+fi
+
+fi
+
+
+   fi
+fi
+echo "$as_me:$LINENO: result: $ac_cv_path_EGREP" >&5
+echo "${ECHO_T}$ac_cv_path_EGREP" >&6
+ EGREP="$ac_cv_path_EGREP"
+
+
 # Extract the first word of "perl", so it can be a program name with args.
 set dummy perl; ac_word=$2
 echo "$as_me:$LINENO: checking for $ac_word" >&5
@@ -5844,208 +6046,6 @@ echo "${ECHO_T}no" >&6
 
 
 # checks for headers
-echo "$as_me:$LINENO: checking for grep that handles long lines and -e" >&5
-echo $ECHO_N "checking for grep that handles long lines and -e... $ECHO_C" >&6
-if test "${ac_cv_path_GREP+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  # Extract the first word of "grep ggrep" to use in msg output
-if test -z "$GREP"; then
-set dummy grep ggrep; ac_prog_name=$2
-if test "${ac_cv_path_GREP+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  # Create a temporary directory, and hook for its removal unless debugging.
-$debug ||
-{
-  trap 'exit_status=$?; rm -f -r $tmp && exit $exit_status' 0
-  trap '{ (exit 1); exit 1; }' 1 2 13 15
-}
-
-# Create a (secure) tmp directory for tmp files.
-: ${TMPDIR=/tmp}
-{
-  tmp=`(umask 077 && mktemp -d -q "$TMPDIR/GREPXXXXXX") 2>/dev/null` &&
-  test -n "$tmp" && test -d "$tmp"
-}  ||
-{
-  tmp=$TMPDIR/GREP$$-$RANDOM
-  (umask 077 && mkdir $tmp)
-} ||
-{
-   echo "$me: cannot create a temporary directory in $TMPDIR" >&2
-   { (exit 1); exit 1; }
-}
-ac_path_GREP_found=false
-# Loop through the user's path and test for each of PROGNAME-LIST
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-as_dummy="$PATH:/usr/xpg4/bin"
-for as_dir in $as_dummy
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  for ac_prog in grep ggrep; do
-  for ac_exec_ext in '' $ac_executable_extensions; do
-    ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
-    test -f "$ac_path_GREP" || continue
-    $ac_path_GREP_found || if $as_executable_p "$ac_path_GREP"; then
-  # Check for GNU ac_path_GREP and select it if it is found.
-  # Check for GNU $ac_path_GREP
-if "$ac_path_GREP" --version 2>&1 < /dev/null | grep 'GNU' >/dev/null; then
-  ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:
-else
-  ac_count=0
-  echo $ECHO_N "0123456789$ECHO_C" >"$tmp/conftest.in"
-  while :
-  do
-    cat "$tmp/conftest.in" "$tmp/conftest.in" >"$tmp/conftest.tmp"
-    mv "$tmp/conftest.tmp" "$tmp/conftest.in"
-    cp "$tmp/conftest.in" "$tmp/conftest.nl"
-    echo 'GREP' >> "$tmp/conftest.nl"
-    "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "$tmp/conftest.nl" >"$tmp/conftest.out" 2>/dev/null || break
-    diff "$tmp/conftest.out" "$tmp/conftest.nl" >/dev/null 2>&1 || break
-    ac_count=`expr $ac_count + 1`
-    if test $ac_count -gt ${ac_path_GREP_max-0}; then
-      # Best one so far, save it but keep looking for a better one
-      ac_cv_path_GREP="$ac_path_GREP"
-      ac_path_GREP_max=$ac_count
-    fi
-    # 10*(2^10) chars as input seems more than enough
-    test $ac_count -gt 10 && break
-  done
-fi
-
-fi
-
-    $ac_path_GREP_found && break 3
-  done
-done
-
-done
-
-rm -rf "$tmp"
-
-fi
-
-GREP="$ac_cv_path_GREP"
-if test -z "$GREP"; then
-  { { echo "$as_me:$LINENO: error: no acceptable $ac_prog_name could be found in $PATH:/usr/xpg4/bin" >&5
-echo "$as_me: error: no acceptable $ac_prog_name could be found in $PATH:/usr/xpg4/bin" >&2;}
-   { (exit 1); exit 1; }; }
-fi
-
-fi
-
-
-fi
-echo "$as_me:$LINENO: result: $ac_cv_path_GREP" >&5
-echo "${ECHO_T}$ac_cv_path_GREP" >&6
- GREP="$ac_cv_path_GREP"
-
-
-echo "$as_me:$LINENO: checking for egrep" >&5
-echo $ECHO_N "checking for egrep... $ECHO_C" >&6
-if test "${ac_cv_path_EGREP+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  if echo a | ($GREP -E '(a|b)') >/dev/null 2>&1
-   then ac_cv_path_EGREP="$GREP -E"
-   else
-     # Extract the first word of "egrep" to use in msg output
-if test -z "$EGREP"; then
-set dummy egrep; ac_prog_name=$2
-if test "${ac_cv_path_EGREP+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  # Create a temporary directory, and hook for its removal unless debugging.
-$debug ||
-{
-  trap 'exit_status=$?; rm -f -r $tmp && exit $exit_status' 0
-  trap '{ (exit 1); exit 1; }' 1 2 13 15
-}
-
-# Create a (secure) tmp directory for tmp files.
-: ${TMPDIR=/tmp}
-{
-  tmp=`(umask 077 && mktemp -d -q "$TMPDIR/EGREPXXXXXX") 2>/dev/null` &&
-  test -n "$tmp" && test -d "$tmp"
-}  ||
-{
-  tmp=$TMPDIR/EGREP$$-$RANDOM
-  (umask 077 && mkdir $tmp)
-} ||
-{
-   echo "$me: cannot create a temporary directory in $TMPDIR" >&2
-   { (exit 1); exit 1; }
-}
-ac_path_EGREP_found=false
-# Loop through the user's path and test for each of PROGNAME-LIST
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-as_dummy="$PATH:/usr/xpg4/bin"
-for as_dir in $as_dummy
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  for ac_prog in egrep; do
-  for ac_exec_ext in '' $ac_executable_extensions; do
-    ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
-    test -f "$ac_path_EGREP" || continue
-    $ac_path_EGREP_found || if $as_executable_p "$ac_path_EGREP"; then
-  # Check for GNU ac_path_EGREP and select it if it is found.
-  # Check for GNU $ac_path_EGREP
-if "$ac_path_EGREP" --version 2>&1 < /dev/null | grep 'GNU' >/dev/null; then
-  ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:
-else
-  ac_count=0
-  echo $ECHO_N "0123456789$ECHO_C" >"$tmp/conftest.in"
-  while :
-  do
-    cat "$tmp/conftest.in" "$tmp/conftest.in" >"$tmp/conftest.tmp"
-    mv "$tmp/conftest.tmp" "$tmp/conftest.in"
-    cp "$tmp/conftest.in" "$tmp/conftest.nl"
-    echo 'EGREP' >> "$tmp/conftest.nl"
-    "$ac_path_EGREP" 'EGREP$' < "$tmp/conftest.nl" >"$tmp/conftest.out" 2>/dev/null || break
-    diff "$tmp/conftest.out" "$tmp/conftest.nl" >/dev/null 2>&1 || break
-    ac_count=`expr $ac_count + 1`
-    if test $ac_count -gt ${ac_path_EGREP_max-0}; then
-      # Best one so far, save it but keep looking for a better one
-      ac_cv_path_EGREP="$ac_path_EGREP"
-      ac_path_EGREP_max=$ac_count
-    fi
-    # 10*(2^10) chars as input seems more than enough
-    test $ac_count -gt 10 && break
-  done
-fi
-
-fi
-
-    $ac_path_EGREP_found && break 3
-  done
-done
-
-done
-
-rm -rf "$tmp"
-
-fi
-
-EGREP="$ac_cv_path_EGREP"
-if test -z "$EGREP"; then
-  { { echo "$as_me:$LINENO: error: no acceptable $ac_prog_name could be found in $PATH:/usr/xpg4/bin" >&5
-echo "$as_me: error: no acceptable $ac_prog_name could be found in $PATH:/usr/xpg4/bin" >&2;}
-   { (exit 1); exit 1; }; }
-fi
-
-fi
-
-
-   fi
-fi
-echo "$as_me:$LINENO: result: $ac_cv_path_EGREP" >&5
-echo "${ECHO_T}$ac_cv_path_EGREP" >&6
- EGREP="$ac_cv_path_EGREP"
-
-
 echo "$as_me:$LINENO: checking for ANSI C header files" >&5
 echo $ECHO_N "checking for ANSI C header files... $ECHO_C" >&6
 if test "${ac_cv_header_stdc+set}" = set; then
@@ -12467,6 +12467,8 @@ s,@LP@,$LP,;t t
 s,@LPQ@,$LPQ,;t t
 s,@PSPRINT@,$PSPRINT,;t t
 s,@DVIPRINT@,$DVIPRINT,;t t
+s,@GREP@,$GREP,;t t
+s,@EGREP@,$EGREP,;t t
 s,@PERLPATH@,$PERLPATH,;t t
 s,@YACC@,$YACC,;t t
 s,@MAKEINFO@,$MAKEINFO,;t t
@@ -12478,8 +12480,6 @@ s,@INSTALL_SCRIPT@,$INSTALL_SCRIPT,;t t
 s,@INSTALL_DATA@,$INSTALL_DATA,;t t
 s,@LN_S@,$LN_S,;t t
 s,@SH_SCRIPT_SED_CMD@,$SH_SCRIPT_SED_CMD,;t t
-s,@GREP@,$GREP,;t t
-s,@EGREP@,$EGREP,;t t
 s,@LIBC@,$LIBC,;t t
 s,@LIBM@,$LIBM,;t t
 s,@build@,$build,;t t
diff --git a/configure.ac b/configure.ac
index ba4410bd..debe6ff2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -36,6 +36,7 @@ GROFF_X11
 GROFF_APPRESDIR_OPTION
 GROFF_APPRESDIR_DEFAULT
 GROFF_PRINT
+AC_PROG_EGREP
 AC_PATH_PROG([PERLPATH], [perl], [/usr/bin/perl])
 GROFF_PROG_YACC
 GROFF_MAKEINFO
diff --git a/src/roff/grog/Makefile.sub b/src/roff/grog/Makefile.sub
index 43dec8fb..765d9285 100644
--- a/src/roff/grog/Makefile.sub
+++ b/src/roff/grog/Makefile.sub
@@ -6,6 +6,7 @@ all: grog
 grog: grog.sh
 	rm -f $@
 	sed -e "s|@g@|$(g)|g" \
+	  -e "s|@EGREP@|$(EGREP)|g" \
 	  -e "s|@VERSION@|$(version)$(revision)|" \
 	  -e $(SH_SCRIPT_SED_CMD) $(srcdir)/grog.sh >$@
 	chmod +x $@
@@ -18,6 +19,7 @@ grog.old: grog.pl grog.sh
 	else \
 	  rm -f $@; \
 	  sed -e "s|@g@|$(g)|g" \
+	      -e "s|@EGREP@|$(EGREP)|g" \
 	      -e "s|@VERSION@|$(version)$(revision)|" \
 	      -e $(SH_SCRIPT_SED_CMD) $(srcdir)/grog.sh >$@; \
 	fi
diff --git a/src/roff/grog/grog.sh b/src/roff/grog/grog.sh
index 1a937cb1..3323763f 100644
--- a/src/roff/grog/grog.sh
+++ b/src/roff/grog/grog.sh
@@ -29,16 +29,19 @@ do
 	esac
 done
 
-egrep -h "^\.(\[|\])|((P|PS|[PLI]P|[pnil]p|sh|Dd|Tp|Dp|De|Cx|Cl|Oo|.* Oo|Oc|.* Oc|TS|EQ|TH|SH|so|\[|R1|GS|G1|PH|SA)$sp)" $* \
+@EGREP@ -h \
+  "^\.(\[|\])|((P|PS|[PLI]P|[pnil]p|sh|Dd|Tp|Dp|De|Cx|Cl|Oo|.* Oo|Oc|.* Oc|TS|TE|EQ|TH|SH|so|\[|R1|GS|G1|PH|SA)$sp)" $* \
 | sed -e '/^\.so/s/^.*$/.SO_START\
 &\
 .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)' \
+| @EGREP@ \
+    '^\.(P|PS|[PLI]P|[pnil]p|sh|Dd|Tp|Dp|De|Cx|Cl|Oo|.* Oo|Oc|.* Oc|TS|TE|EQ|TH|SH|\[|\]|R1|GS|G1|PH|SA|SO_START|SO_END)' \
 | awk '
 /^\.SO_START$/ { so = 1 }
 /^\.SO_END$/ { so = 0 }
-/^\.TS/ { tbl++; if (so > 0) soelim++ }
+/^\.TS/ { tbl++; in_tbl = 1; if (so > 0) soelim++; }
+/^\.TE/ { in_tbl = 0 }
 /^\.PS([ 0-9.<].*)?$/ { pic++; if (so > 0) soelim++ }
 /^\.EQ/ { eqn++; if (so > 0) soelim++ }
 /^\.R1/ { refer++; if (so > 0) soelim++ }
@@ -46,7 +49,7 @@ egrep -h "^\.(\[|\])|((P|PS|[PLI]P|[pnil]p|sh|Dd|Tp|Dp|De|Cx|Cl|Oo|.* Oo|Oc|.* O
 /^\.\]/ {refer_end++; if (so > 0) soelim++ }
 /^\.GS/ { grn++; if (so > 0) soelim++ }
 /^\.G1/ { grap++; pic++; if (so > 0) soelim++ }
-/^\.TH/ { TH++ }
+/^\.TH/ { if (in_tbl != 1) TH++ }
 /^\.[PLI]P/ { PP++ }
 /^\.P$/ { P++ }
 /^\.SH/ { SH++ }