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-rw-r--r--tex/context/base/mkxl/grph-trf.mkxl8
1 files changed, 4 insertions, 4 deletions
diff --git a/tex/context/base/mkxl/grph-trf.mkxl b/tex/context/base/mkxl/grph-trf.mkxl
index 3f5b3a4b0..87e4da7f4 100644
--- a/tex/context/base/mkxl/grph-trf.mkxl
+++ b/tex/context/base/mkxl/grph-trf.mkxl
@@ -67,10 +67,10 @@
% public:
-\let\finalscaleboxxscale \!!plusone
-\let\finalscaleboxyscale \!!plusone
-\let\finalscaleboxwidth \!!zeropoint
-\let\finalscaleboxheight \!!zeropoint
+\mutable\let\finalscaleboxxscale \!!plusone
+\mutable\let\finalscaleboxyscale \!!plusone
+\mutable\let\finalscaleboxwidth \!!zeropoint
+\mutable\let\finalscaleboxheight \!!zeropoint
% we can let sx/sy win (first check)