From 59947aaf3bf2ad07251a569a77338c8c41f9e377 Mon Sep 17 00:00:00 2001
From: Context Git Mirror Bot <phg42.2a@gmail.com>
Date: Wed, 29 Apr 2015 20:15:05 +0200
Subject: 2015-04-29 19:33:00

---
 tex/generic/context/luatex/luatex-fonts-merged.lua | 27 +++++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

(limited to 'tex/generic')

diff --git a/tex/generic/context/luatex/luatex-fonts-merged.lua b/tex/generic/context/luatex/luatex-fonts-merged.lua
index 1d6509ae4..2bff7b0b6 100644
--- a/tex/generic/context/luatex/luatex-fonts-merged.lua
+++ b/tex/generic/context/luatex/luatex-fonts-merged.lua
@@ -1,6 +1,6 @@
 -- merged file : luatex-fonts-merged.lua
 -- parent file : luatex-fonts.lua
--- merge date  : 04/18/15 14:41:50
+-- merge date  : 04/29/15 19:31:00
 
 do -- begin closure to overcome local limits and interference
 
@@ -699,6 +699,31 @@ local function make(t)
   end
   return p
 end
+local function collapse(t,x)
+  if type(t)~="table" then
+    return t,x
+  else
+    local n=next(t)
+    if n==nil then
+      return t,x
+    elseif next(t,n)==nil then
+      local k=n
+      local v=t[k]
+      if type(v)=="table" then
+        return collapse(v,x..k)
+      else
+        return v,x..k
+      end
+    else
+      local tt={}
+      for k,v in next,t do
+        local vv,kk=collapse(v,k)
+        tt[kk]=vv
+      end
+      return tt,x
+    end
+  end
+end
 function lpeg.utfchartabletopattern(list) 
   local tree={}
   local n=#list
-- 
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