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-rw-r--r--tex/context/base/sort-ini.lua2
1 files changed, 1 insertions, 1 deletions
diff --git a/tex/context/base/sort-ini.lua b/tex/context/base/sort-ini.lua
index a8ad1a6e0..548a92efe 100644
--- a/tex/context/base/sort-ini.lua
+++ b/tex/context/base/sort-ini.lua
@@ -103,7 +103,7 @@ local replacements, m_mappings, z_mappings, p_mappings, entries, orders, lower,
local mte = {
__index = function(t,k)
- if utfbyte(k) < digitsoffset then
+ if k ~= "" and utfbyte(k) < digitsoffset then
local el
if k then
local l = lower[k] or lcchars[k]