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-rw-r--r--tex/context/base/util-prs.lua2
1 files changed, 1 insertions, 1 deletions
diff --git a/tex/context/base/util-prs.lua b/tex/context/base/util-prs.lua
index 69d70fbc9..ab766d75a 100644
--- a/tex/context/base/util-prs.lua
+++ b/tex/context/base/util-prs.lua
@@ -341,7 +341,7 @@ local separator = S(' ,')
local key = C((1-equal)^1)
local value = dquote * C((1-dquote-escape*dquote)^0) * dquote
-local pattern = Cf(Ct("") * Cg(key * equal * value) * separator^0,rawset)^0
+local pattern = Cf(Ct("") * Cg(key * equal * value) * separator^0,rawset)^0 * P(-1)
patterns.keq_to_hash_c = pattern