Lua filter: allow shorthand functions for math and quoted

Allow to use functions named `SingleQuoted`, `DoubleQuoted`,
`DisplayMath`, and `InlineMath` in filters.

1 files changed, 7 insertions, 0 deletions

diff --git a/test/lua/single-to-double-quoted.lua b/test/lua/single-to-double-quoted.lua
new file mode 100644
index 000000000..8a0a5732a
--- /dev/null
+++ b/test/lua/single-to-double-quoted.lua
@@ -0,0 +1,7 @@
+return {
+  {
+    SingleQuoted = function (content)
+      return pandoc.Quoted("DoubleQuote", content)
+    end,
+  }
+}