From cac52b5f4cfdc934cd3c5a68777c77d8d70f4b7c Mon Sep 17 00:00:00 2001
From: Khaled Hosny <khaledhosny@eglug.org>
Date: Sat, 20 Feb 2010 07:16:46 +0200
Subject: Add a new |luat-over| module

To minimize differences between original ConTeXt files, this module
overrides functions defined in |luat-dum| module.
---
 luaotfload.dtx    |  1 +
 otfl-luat-dum.lua | 24 +-----------------------
 otfl-luat-ovr.lua | 35 +++++++++++++++++++++++++++++++++++
 3 files changed, 37 insertions(+), 23 deletions(-)
 create mode 100644 otfl-luat-ovr.lua

diff --git a/luaotfload.dtx b/luaotfload.dtx
index 22b87f2..d481938 100644
--- a/luaotfload.dtx
+++ b/luaotfload.dtx
@@ -426,6 +426,7 @@ end
 %    \begin{macrocode}
 
 luaotfload.loadmodule('luat-dum.lua') -- not used in context at all
+luaotfload.loadmodule('luat-ovr.lua') -- override some luat-dum functions
 luaotfload.loadmodule('data-con.lua') -- maybe some day we don't need this one
 
 %    \end{macrocode}
diff --git a/otfl-luat-dum.lua b/otfl-luat-dum.lua
index a594b64..19e95e2 100644
--- a/otfl-luat-dum.lua
+++ b/otfl-luat-dum.lua
@@ -43,7 +43,7 @@ tasks = {
     prependaction = dummyfunction,
 }
 callbacks = {
-    register      = dummyfunction,
+    register = function(n,f) return callback.register(n,f) end,
 }
 
 -- we need to cheat a bit here
@@ -72,25 +72,3 @@ function resolvers.findbinfile(name,kind)
     end
     return resolvers.find_file(name,(kind and remapper[kind]) or kind)
 end
-
-local write_nl, format, name = texio.write_nl, string.format, "luaotfload"
-
-function logs.report(category,fmt,...)
-    if fmt then
-        write_nl('log', format("%s | %s: %s",name,category,format(fmt,...)))
-    elseif category then
-        write_nl('log', format("%s | %s",name,category))
-    else
-        write_nl('log', format("%s |",name))
-    end
-end
-
-function logs.simple(fmt,...)
-    if fmt then
-        write_nl('log', format("%s | %s",name,format(fmt,...)))
-    else
-        write_nl('log', format("%s |",name))
-    end
-end
-
-tex.ctxcatcodes = luatextra.catcodetables.latex
diff --git a/otfl-luat-ovr.lua b/otfl-luat-ovr.lua
new file mode 100644
index 0000000..3670df7
--- /dev/null
+++ b/otfl-luat-ovr.lua
@@ -0,0 +1,35 @@
+if not modules then modules = { } end modules ['luat-ovr'] = {
+    version   = 1.001,
+    comment   = "companion to luatex-*.tex",
+    author    = "Khaled Hosny and Elie Roux",
+    copyright = "Luaotfload Development Team",
+    license   = "GPL"
+}
+
+
+local write_nl, format, name = texio.write_nl, string.format, "luaotfload"
+local dummyfunction = function() end
+
+callbacks = {
+    register      = dummyfunction,
+}
+
+function logs.report(category,fmt,...)
+    if fmt then
+        write_nl('log', format("%s | %s: %s",name,category,format(fmt,...)))
+    elseif category then
+        write_nl('log', format("%s | %s",name,category))
+    else
+        write_nl('log', format("%s |",name))
+    end
+end
+
+function logs.simple(fmt,...)
+    if fmt then
+        write_nl('log', format("%s | %s",name,format(fmt,...)))
+    else
+        write_nl('log', format("%s |",name))
+    end
+end
+
+tex.ctxcatcodes = luatextra.catcodetables.latex
-- 
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