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-rw-r--r--tex/context/base/attr-col.lua6
1 files changed, 3 insertions, 3 deletions
diff --git a/tex/context/base/attr-col.lua b/tex/context/base/attr-col.lua
index 1b9a65520..d6e751d89 100644
--- a/tex/context/base/attr-col.lua
+++ b/tex/context/base/attr-col.lua
@@ -568,9 +568,9 @@ end
-- interface
-implement { name = "enablecolor", actions = colors.enable }
-implement { name = "enabletransparency", actions = transparencies.enable }
-implement { name = "enablecolorintents", actions = colorintents.enable }
+implement { name = "enablecolor", once = true, actions = colors.enable }
+implement { name = "enabletransparency", once = true, actions = transparencies.enable }
+implement { name = "enablecolorintents", once = true, actions = colorintents.enable }
--------- { name = "registercolor", actions = { colors .register, context }, arguments = "string" }
--------- { name = "registertransparency", actions = { transparencies.register, context }, arguments = { ... } }