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-rw-r--r--generic/tcl.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/generic/tcl.h b/generic/tcl.h
index 7ca204a..98c1f2b 100644
--- a/generic/tcl.h
+++ b/generic/tcl.h
@@ -2168,6 +2168,7 @@ typedef int (Tcl_ArgvGenFuncProc)(void *clientData, Tcl_Interp *interp,
#define TCL_IO_FAILURE ((size_t)-1)
#define TCL_AUTO_LENGTH ((size_t)-1)
+#define TCL_INDEX_NONE ((size_t)-1)
/*
*----------------------------------------------------------------------------