Lua filters: Remove special treatment of Quoted, Math.

No more SingleQuoted, DoubleQuoted, InlineMath, DisplayMath.
This makes everything uniform and predictable, though it does
open up a difference btw lua filters and custom writers.

1 files changed, 4 insertions, 2 deletions

diff --git a/test/lua/single-to-double-quoted.lua b/test/lua/single-to-double-quoted.lua
index 45c184c95..b985b215c 100644
--- a/test/lua/single-to-double-quoted.lua
+++ b/test/lua/single-to-double-quoted.lua
@@ -1,7 +1,9 @@
 return {
   {
-    SingleQuoted = function (elem)
-      elem.quotetype = "DoubleQuote"
+    Quoted = function (elem)
+      if elem.quotetype == "SingleQuote" then
+        elem.quotetype = "DoubleQuote"
+      end
       return elem
     end,
   }