[API Change] Extract Lua code into new package pandoc-lua-engine

The flag 'lua53` must now be used with that package if pandoc is to be
compiled against Lua 5.3.

1 files changed, 12 insertions, 0 deletions

diff --git a/pandoc-lua-engine/test/lua/markdown-reader.lua b/pandoc-lua-engine/test/lua/markdown-reader.lua
new file mode 100644
index 000000000..1530a15a2
--- /dev/null
+++ b/pandoc-lua-engine/test/lua/markdown-reader.lua
@@ -0,0 +1,12 @@
+return {
+  {
+    RawBlock = function (elem)
+      if elem.format == "markdown" then
+        local pd = pandoc.read(elem.text, "markdown")
+        return pd.blocks[1]
+      else
+        return elem
+      end
+    end,
+  }
+}