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-rw-r--r--generic/tclUtf.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/generic/tclUtf.c b/generic/tclUtf.c
index 736da66..6fbeb36 100644
--- a/generic/tclUtf.c
+++ b/generic/tclUtf.c
@@ -26,7 +26,7 @@
#define ALPHA_BITS ((1 << UPPERCASE_LETTER) | (1 << LOWERCASE_LETTER) \
| (1 << TITLECASE_LETTER) | (1 << MODIFIER_LETTER) | (1<<OTHER_LETTER))
-#define CONTROL_BITS ((1 << CONTROL) | (1 << FORMAT) | (1 << PRIVATE_USE))
+#define CONTROL_BITS ((1 << CONTROL) | (1 << FORMAT))
#define DIGIT_BITS (1 << DECIMAL_DIGIT_NUMBER)