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-rw-r--r--generic/tclTrace.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/generic/tclTrace.c b/generic/tclTrace.c
index 3888549..519f201 100644
--- a/generic/tclTrace.c
+++ b/generic/tclTrace.c
@@ -366,8 +366,9 @@ Tcl_TraceObjCmd(
return TCL_OK;
badVarOps:
- Tcl_AppendResult(interp, "bad operations \"", flagOps,
- "\": should be one or more of rwua", NULL);
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "bad operations \"%s\": should be one or more of rwua",
+ flagOps));
Tcl_SetErrorCode(interp, "TCL", "OPERATION", "TRACE", "BADOPS", NULL);
return TCL_ERROR;
}