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-rw-r--r--tex/generic/context/luatex-fonts-merged.lua22
1 files changed, 14 insertions, 8 deletions
diff --git a/tex/generic/context/luatex-fonts-merged.lua b/tex/generic/context/luatex-fonts-merged.lua
index 83ca1c35c..bf2cd47fa 100644
--- a/tex/generic/context/luatex-fonts-merged.lua
+++ b/tex/generic/context/luatex-fonts-merged.lua
@@ -1,6 +1,6 @@
-- merged file : luatex-fonts-merged.lua
-- parent file : luatex-fonts.lua
--- merge date : 10/20/10 21:33:36
+-- merge date : 10/21/10 14:02:50
do -- begin closure to overcome local limits and interference
@@ -766,15 +766,21 @@ end
table.sortedkeys = sortedkeys
table.sortedhashkeys = sortedhashkeys
+local function nothing() end
+
local function sortedhash(t)
- local s = sortedhashkeys(t) -- maybe just sortedkeys
- local n = 0
- local function kv(s)
- n = n + 1
- local k = s[n]
- return k, t[k]
+ if t then
+ local s = sortedhashkeys(t) -- maybe just sortedkeys
+ local n = 0
+ local function kv(s)
+ n = n + 1
+ local k = s[n]
+ return k, t[k]
+ end
+ return kv, s
+ else
+ return nothing
end
- return kv, s
end
table.sortedhash = sortedhash