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-rw-r--r--testsuite/tr/tr-d-alnum-works2
1 files changed, 2 insertions, 0 deletions
diff --git a/testsuite/tr/tr-d-alnum-works b/testsuite/tr/tr-d-alnum-works
index d440f8f..6540ea5 100644
--- a/testsuite/tr/tr-d-alnum-works
+++ b/testsuite/tr/tr-d-alnum-works
@@ -1,3 +1,5 @@
+# FEATURE: CONFIG_FEATURE_TR_CLASSES
+
echo testing | tr -d '[[:alnum:]]' > logfile.gnu
echo testing | busybox tr -d '[[:alnum:]]' > logfile.bb