From b9f8577103fc3f5afbb0a1cdcbe5ca7372400b36 Mon Sep 17 00:00:00 2001
From: Hans Hagen <pragma@wxs.nl>
Date: Sun, 28 Oct 2012 13:23:00 +0100
Subject: beta 2012.10.28 13:23

---
 tex/generic/context/luatex/luatex-fonts-merged.lua | 43 ++++++++++++++++------
 tex/generic/context/luatex/luatex-fonts.lua        |  1 +
 2 files changed, 32 insertions(+), 12 deletions(-)

(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 5e8e3602a..5f0a7aaa0 100644
--- a/tex/generic/context/luatex/luatex-fonts-merged.lua
+++ b/tex/generic/context/luatex/luatex-fonts-merged.lua
@@ -1,6 +1,22 @@
 -- merged file : luatex-fonts-merged.lua
 -- parent file : luatex-fonts.lua
--- merge date  : 10/22/12 23:51:08
+-- merge date  : 10/28/12 13:23:51
+
+do -- begin closure to overcome local limits and interference
+
+if not modules then modules = { } end modules ['l-functions'] = {
+    version   = 1.001,
+    comment   = "companion to luat-lib.mkiv",
+    author    = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
+    copyright = "PRAGMA ADE / ConTeXt Development Team",
+    license   = "see context related readme files"
+}
+
+functions = functions or { }
+
+function functions.dummy() end
+
+end -- closure
 
 do -- begin closure to overcome local limits and interference
 
@@ -1037,25 +1053,25 @@ end
 function table.swapped(t,s) -- hash
     local n = { }
     if s then
---~         for i=1,#s do
---~             n[i] = s[i]
---~         end
         for k, v in next, s do
             n[k] = v
         end
     end
---~     for i=1,#t do
---~         local ti = t[i] -- don't ask but t[i] can be nil
---~         if ti then
---~             n[ti] = i
---~         end
---~     end
     for k, v in next, t do
         n[v] = k
     end
     return n
 end
 
+function table.mirror(t) -- hash
+    local n = { }
+    for k, v in next, t do
+        n[v] = k
+        n[k] = v
+    end
+    return n
+end
+
 function table.reversed(t)
     if t then
         local tt, tn = { }, #t
@@ -1763,7 +1779,7 @@ else
 
 end
 
-local range = Cs(utf8byte) * (Cs(utf8byte) + Cc(false))
+local range = utf8byte * utf8byte + Cc(false) -- utf8byte is already a capture
 
 local utfchar = unicode and unicode.utf8 and unicode.utf8.char
 
@@ -1780,7 +1796,7 @@ function lpeg.UR(str,more)
     end
     if first == last then
         return P(str)
-    elseif utfchar and last - first < 8 then -- a somewhat arbitrary criterium
+    elseif utfchar and (last - first < 8) then -- a somewhat arbitrary criterium
         local p = P(false)
         for i=first,last do
             p = p + P(utfchar(i))
@@ -1790,10 +1806,13 @@ function lpeg.UR(str,more)
         local f = function(b)
             return b >= first and b <= last
         end
+        -- tricky, these nested captures
         return utf8byte / f -- nil when invalid range
     end
 end
 
+-- print(lpeg.match(lpeg.Cs((C(lpeg.UR("αω"))/{ ["χ"] = "OEPS" })^0),"αωχαω"))
+
 --~ lpeg.print(lpeg.R("ab","cd","gh"))
 --~ lpeg.print(lpeg.P("a","b","c"))
 --~ lpeg.print(lpeg.S("a","b","c"))
diff --git a/tex/generic/context/luatex/luatex-fonts.lua b/tex/generic/context/luatex/luatex-fonts.lua
index 535519db7..dd2c902cd 100644
--- a/tex/generic/context/luatex/luatex-fonts.lua
+++ b/tex/generic/context/luatex/luatex-fonts.lua
@@ -132,6 +132,7 @@ else
     -- mess up ConTeXt code for the sake of general generality. Around
     -- version 1.0 there will be an official api defined.
 
+    loadmodule('l-function.lua')
     loadmodule('l-string.lua')
     loadmodule('l-table.lua')
     loadmodule('l-lpeg.lua')
-- 
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