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Diffstat (limited to 'macros/luatex/latex/luacas/tex/calculus/luacas-derivativeexpression.lua')
-rw-r--r--macros/luatex/latex/luacas/tex/calculus/luacas-derivativeexpression.lua2
1 files changed, 1 insertions, 1 deletions
diff --git a/macros/luatex/latex/luacas/tex/calculus/luacas-derivativeexpression.lua b/macros/luatex/latex/luacas/tex/calculus/luacas-derivativeexpression.lua
index b757759c4c..2ef4c43125 100644
--- a/macros/luatex/latex/luacas/tex/calculus/luacas-derivativeexpression.lua
+++ b/macros/luatex/latex/luacas/tex/calculus/luacas-derivativeexpression.lua
@@ -3,7 +3,7 @@
--- @field symbol SymbolExpression
--- @field expression Expression
DerivativeExpression = {}
-__DerivativeExpression = {}
+local __DerivativeExpression = {}
----------------------------
-- Instance functionality --