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-rw-r--r--generic/tcl.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/generic/tcl.h b/generic/tcl.h
index eff58b3..e6cc4be 100644
--- a/generic/tcl.h
+++ b/generic/tcl.h
@@ -2142,7 +2142,11 @@ typedef struct Tcl_EncodingType {
*/
#ifndef TCL_UTF_MAX
-#define TCL_UTF_MAX 3
+# ifdef BUILD_tcl
+# define TCL_UTF_MAX 4
+# else
+# define TCL_UTF_MAX 3
+# endif
#endif
/*