Lua: use released pandoc-lua-marshal-0.1.3.

Inlines, Blocks, and List objects now have an `__eq` metamethod, testing
equality by comparing two lists element-wise.

cabal.project

@@ -3,11 +3,6 @@ tests: True
 flags: +embed_data_files
 constraints: aeson >= 2.0.1.0
 
-source-repository-package
-  type: git
-  location: https://github.com/pandoc/pandoc-lua-marshal
-  tag: f81ec19006cc4d0476f199d1fb913bac4af0a0d8
-
 source-repository-package
   type: git
   location: https://github.com/jgm/texmath.git

doc/lua-filters.md

@@ -3727,6 +3727,22 @@ methods and convenience functions.
     Returns: a new list containing all elements from list1 and
     list2
 
+[`pandoc.List:__eq (a, b)`]{#pandoc.list:__concat}
+
+:   Compares two lists for equality. The lists are taken as equal
+    if and only if they are of the same type (i.e., have the same
+    non-nil metatable), have the same length, and if all elements
+    are equal.
+
+    Parameters:
+
+    `a`, `b`:
+    :   any Lua object
+
+    Returns:
+
+    -   `true` if the two lists are equal, `false` otherwise.
+
 ## Methods
 
 [`pandoc.List:clone ()`]{#pandoc.list:clone}

stack.yaml

@@ -26,6 +26,7 @@ extra-deps:
 - lua-2.0.2
 - tasty-hslua-1.0.0
 - tasty-lua-1.0.0
+- pandoc-lua-marshal-0.1.3
 - pandoc-types-1.22.1
 - commonmark-0.2.1.1
 - commonmark-extensions-0.2.2.1
@@ -37,8 +38,6 @@ extra-deps:
   commit: 46df85d747f4f233157d3476683264232a4f58be
 - git: https://github.com/jgm/ipynb.git
   commit: 00246af10885c2ad4413ace4f69a7e6c88297a08
-- git: https://github.com/pandoc/pandoc-lua-marshal
-  commit: f81ec19006cc4d0476f199d1fb913bac4af0a0d8
 - git: https://github.com/jgm/commonmark-hs
   commit: 4d460b206e0b1872376db86cadf7a4567eeddaed
   subdir: commonmark-pandoc