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-rw-r--r--generic/tkbltGrMarkerOp.C2
1 files changed, 1 insertions, 1 deletions
diff --git a/generic/tkbltGrMarkerOp.C b/generic/tkbltGrMarkerOp.C
index 5103a3d..0865556 100644
--- a/generic/tkbltGrMarkerOp.C
+++ b/generic/tkbltGrMarkerOp.C
@@ -275,7 +275,7 @@ static int DeleteOp(ClientData clientData, Tcl_Interp* interp,
Tcl_AppendResult(interp, "can't find markers in \"",
Tk_PathName(graphPtr->tkwin_), "\":", NULL);
}
- Tcl_AppendResult(interp, " ", Tcl_GetString(objv[ii]));
+ Tcl_AppendResult(interp, " ", Tcl_GetString(objv[ii]), NULL);
res = TCL_ERROR;
} else {
markerPtr = (Marker*)Tcl_GetHashValue(hPtr);