Lua: fix json.encode for nested AST elements.

Ensures that objects with nested AST elements can be encoded as JSON.

1 files changed, 6 insertions, 0 deletions

diff --git a/pandoc-lua-engine/test/lua/module/pandoc-json.lua b/pandoc-lua-engine/test/lua/module/pandoc-json.lua
index c2d4f86d4..46400d572 100644
--- a/pandoc-lua-engine/test/lua/module/pandoc-json.lua
+++ b/pandoc-lua-engine/test/lua/module/pandoc-json.lua
@@ -64,6 +64,12 @@ return {
         'string'
       )
     end),
+    test('Nested Inline', function ()
+      assert.are_equal(
+        json.encode({spc = pandoc.Space()}),
+        '{"spc":{"t":"Space"}}'
+      )
+    end)
   },
 
   group 'decode' {