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diff --git a/lib/tolua++ b/lib/tolua++
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+Subproject 9181fc9ef73fa1c052f968d68dc60538f144a47
diff --git a/lib/tolua++/README-5.1 b/lib/tolua++/README-5.1
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index f06f785e3..000000000
--- a/lib/tolua++/README-5.1
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@@ -1,50 +0,0 @@
-Compiling for lua 5.1
----------------------
-
-Starting from version 1.0.8pre1, tolua++ can be compiled with both lua 5.0 and
-5.1. Both versions will output the same code, and the C API (tolua++.h) is the
-same.
-
-The build system is not yet ready to detect/decide when to compile for 5.1,
-the easiest way right now is to add a file called 'custom.py' on the root of
-the package, with the following:
-
-## BEGIN custom.py
-
-CCFLAGS = ['-I/usr/local/include/lua5.1', '-O2', '-ansi']
-LIBPATH = ['/usr/local/lib']
-LIBS = ['lua5.1', 'dl', 'm']
-tolua_bin = 'tolua++5.1'
-tolua_lib = 'tolua++5.1'
-TOLUAPP = 'tolua++5.1'
-
-## END custom.py
-
-This will build the binary as 'tolua++5.1' and the library as 'libtolua++5.1.a'
-(taken from tolua_bin and tolua_lib), and take the lua headers and libraries
-from /usr/local/include/lua5.1 and /usr/local/lib. It will also link with
-'-llua5.1'. Modify the parameters acording to your system.
-
-Compatibility
--------------
-
-There are a couple of things to keep in mind when running code inside tolua
-using the -L option:
-
-* `...' and arg: you can still use 'arg' on 5.1, this is done automatically by
-adding the 'arg' declaration to functions on files loaded with dofile.
-
-For example, the line:
-
-function foo( ... )
-
-becomes
-
-function foo( ... ) local arg = {n=select('#', ...), ...};
-
-This lets you use the same code on both versions without having to make any
-modifications.
-
-* keep in mind that there are slight differences on the way string.gsub works,
-and the original version of the function is always kept, so it will behave
-diffently depending on which version of lua you're using.