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-rw-r--r--tex/context/base/mkiv/attr-col.lua2
1 files changed, 1 insertions, 1 deletions
diff --git a/tex/context/base/mkiv/attr-col.lua b/tex/context/base/mkiv/attr-col.lua
index 5ea72c7e3..15590dccc 100644
--- a/tex/context/base/mkiv/attr-col.lua
+++ b/tex/context/base/mkiv/attr-col.lua
@@ -549,7 +549,7 @@ local function extender(transparencies,key)
end
local function reviver(data,n)
- if transparencies.supported then
+ if n and transparencies.supported then
local v = values[n]
local d
if not v then