--- test/Makefile.am.ulitest	2005-07-26 20:07:43.000000000 +0200
+++ test/Makefile.am	2007-09-27 10:48:51.000000000 +0200
@@ -273,6 +273,8 @@
 	intprec.ok \
 	iobug1.awk \
 	iobug1.ok \
+	lc_num1.awk \
+	lc_num1.ok \
 	leaddig.awk \
 	leaddig.ok \
 	leadnl.awk \
@@ -588,7 +590,7 @@
 	fordel forsimp fsbs fsspcoln fsrs fstabplus funsemnl funsmnam funstack getline \
 	getline2 getline3 getlnbuf getnr2tb getnr2tm gsubasgn gsubtest \
 	gsubtst2 gsubtst3 gsubtst4 gsubtst5 hex hsprint inputred intest \
-	intprec iobug1 leaddig leadnl litoct longsub longwrds manglprm math membug1 \
+	intprec iobug1 lc_num1 leaddig leadnl litoct longsub longwrds manglprm math membug1 \
 	messages minusstr mmap8k nasty nasty2 negexp nested nfldstr \
 	nfneg nfset nlfldsep nlinstr nlstrina noeffect nofmtch noloop1 \
 	noloop2 nonl noparms nors nulrsend numindex numsubstr octsub ofmt \
@@ -678,6 +680,12 @@
 extend-msg-end:
 	@echo "======== Done with gawk extension tests ========"
 
+lc_num1:
+	@echo $@
+	@[ -z "$$GAWKLOCALE" ] && GAWKLOCALE=en_US.UTF-8; \
+	AWKPATH=$(srcdir) $(AWK) --posix -f $@.awk >_$@ 2>&1 || echo EXIT CODE: $$? >>_$@
+	@-$(CMP) $(srcdir)/$@.ok _$@ && rm -f _$@
+
 
 # This test is a PITA because increasingly, /tmp is getting
 # mounted noexec.  So, we'll test it locally.  Sigh.
--- /dev/null	1970-01-01 00:00:00 +0000
+++ test/lc_num1.ok	2007-09-27 10:47:26.000000000 +0200
@@ -0,0 +1 @@
+1,000,000 1000000
--- /dev/null	1970-01-01 00:00:00 +0000
+++ test/lc_num1.awk	2007-09-27 10:47:26.000000000 +0200
@@ -0,0 +1,4 @@
+# Bug reported by Ulrich Drepper.
+BEGIN {
+  printf("%'d %d\n", 1000000, 1000000)
+}
--- test/Gentests.ulitest	2005-05-11 17:28:17.000000000 +0200
+++ test/Gentests	2007-09-27 10:47:26.000000000 +0200
@@ -36,7 +36,7 @@
 	next
 }
 
-/^[a-zA-Z][a-zA-Z0-9]*:/ {
+/^[a-zA-Z_][a-zA-Z0-9_]*:/ {
 	# remember all targets from Makefile.am
 	sub(/:.*/,"")
 	targets[$0]