Set minimal required luatex to 0.51

+ remove some unused compatibility code.

1 files changed, 14 insertions, 18 deletions

diff --git a/luaotfload.dtx b/luaotfload.dtx
index 39343d8..e1a334f 100644
--- a/luaotfload.dtx
+++ b/luaotfload.dtx
@@ -310,30 +310,26 @@ luatextra.provides_module(luaotfload.module)
 
 %    \end{macrocode}
 %
+%    The minimal required Lua\TeX\ version.
+%
+%    \begin{macrocode}
+
+luaotfload.luatex_version = 51
+
+if tex.luatexversion < luaotfload.luatex_version then
+    luatextra.module_warning('luaotfload', string.format('too old luatex version, "%s" is needed at least', luaotfload.luatex_version/100))
+end
+
+%    \end{macrocode}
+%
 %    We load the Con\TeX t files with this function. It automatically adds the
 %    \texttt{otfl-} prefix to it, so that we call it with the actual Con\TeX t
 %    name.
 %
-%    Some Con\TeX t files introduce incompatibilities with old Lua\TeX s, thus
-%    the old versions of these files are kept under the name |otfl-compat-...|
-%    and are called according to the version. The only file in this case
-%    is a |font-otf.lua| that, in version 2009.11.26 of Con\TeX t generates
-%    invalid PDFs with Lua\TeX{} older than version 0.45.
-%
 %    \begin{macrocode}
 
-
-function luaotfload.loadmodule(name, compat)
-    local tofind
-    if compat then
-        if tex.luatexversion < 45 then
-            tofind = 'otfl-compat-'..name
-        else
-            tofind = 'otfl-'..name
-        end
-    else
-        tofind = 'otfl-'..name
-    end
+function luaotfload.loadmodule(name)
+    local tofind = 'otfl-'..name
     local found = kpse.find_file(tofind,"tex")
     if not found then
       luatextra.module_error('luaotfload', string.format('file %s not found.', tofind))