Merge pull request #64 from phi-gamma/master

brute force compatibility with older Luatex

1 files changed, 27 insertions, 0 deletions

diff --git a/luaotfload-legacy-attributes.lua b/luaotfload-legacy-attributes.lua
new file mode 100644
index 0000000..c6130b4
--- /dev/null
+++ b/luaotfload-legacy-attributes.lua
@@ -0,0 +1,27 @@
+-----------------------------------------------------------------------
+--         FILE:  otfl-luat-att.lua
+--        USAGE:  with old luaotfload
+--  DESCRIPTION:  setting attributes abide luatexbase rules
+-- REQUIREMENTS:  some old luatex
+--       AUTHOR:  Philipp Gesang (Phg), <phg42.2a@gmail.com>
+--      CREATED:  2013-05-10 20:37:19+0200
+-----------------------------------------------------------------------
+--
+
+if not modules then modules = { } end modules ['otfl-luat-att'] = {
+    version   = math.pi/42,
+    comment   = "companion to luaotfload.lua",
+    author    = "Philipp Gesang",
+    copyright = "Luaotfload Development Team",
+    license   = "GNU GPL v2"
+}
+
+function attributes.private(name)
+    local attr   = "otfl@" .. name
+    local number = luatexbase.attributes[attr]
+    if not number then
+        number = luatexbase.new_attribute(attr)
+    end
+    return number
+end
+