Lua/StackInstances: push Pandoc and Meta via constructor

Pandoc and Meta elements are now pushed by calling the respective
constructor functions of the pandoc Lua module. This makes serialization
consistent with the way blocks and inlines are pushed to lua and allows
to use List methods with the `blocks` value.

1 files changed, 15 insertions, 0 deletions

diff --git a/data/pandoc.lua b/data/pandoc.lua
index 74263b1fd..d8f7adb97 100644
--- a/data/pandoc.lua
+++ b/data/pandoc.lua
@@ -153,6 +153,21 @@ end
 M.Doc = M.Pandoc
 
 ------------------------------------------------------------------------
+-- Meta
+-- @section Meta
+
+--- Create a new Meta object. It sets the metatable of the given table to
+--- `Meta`.
+-- @function Meta
+-- @tparam meta table table containing document meta information
+M.Meta = {}
+M.Meta.__call = function(t, meta)
+  return setmetatable(meta, self)
+end
+setmetatable(M.Meta, M.Meta)
+
+
+------------------------------------------------------------------------
 -- MetaValue
 -- @section MetaValue
 M.MetaValue = Element:make_subtype{}