Lua: add constructors pandoc.Blocks and pandoc.Inlines

The functions convert their argument into a list of Block and Inline
values, respectively.

doc/lua-filters.md

@@ -2074,7 +2074,7 @@ format, and functions to filter and modify a subtree.
 
     Returns: [MetaBool] object
 
-## Blocks
+## Block
 
 [`BlockQuote (content)`]{#pandoc.blockquote}
 
@@ -2254,6 +2254,20 @@ format, and functions to filter and modify a subtree.
 
     Returns: [Table](#type-table) object
 
+## Blocks
+
+[`Blocks (block_like_elements)`]{#pandoc.blocks}
+
+:   Creates a [Blocks](#type-blocks) list.
+
+    Parameters:
+
+    `block_like_elements`:
+    :   List where each element can be treated as a [Block]
+        value, or a single such value.
+
+    Returns: [Blocks] list
+
 ## Inline
 
 [`Cite (content, citations)`]{#pandoc.cite}
@@ -2543,6 +2557,27 @@ format, and functions to filter and modify a subtree.
 
     Returns: [Underline](#type-underline) object
 
+## Inlines
+
+[`Inlines (inline_like_elements)`]{#pandoc.inlines}
+
+:   Converts its argument into an [Inlines](#type-inlines) list:
+
+    -   copies a list of [Inline] elements into a fresh list; any
+        string `s` within the list is treated as `pandoc.Str(s)`;
+    -   turns a single [Inline] into a singleton list;
+    -   splits a string into `Str`-wrapped words, treating
+        interword spaces as `Space`s or `SoftBreak`s.
+
+    Parameters:
+
+    `inline_like_elements`:
+    :   List where each element can be treated as an [Inline]
+        values, or just a single such value.
+
+    Returns: [Inlines] list
+
+
 ## Element components
 
 [`Attr ([identifier[, classes[, attributes]]])`]{#pandoc.attr}

src/Text/Pandoc/Lua/Module/Pandoc.hs

@@ -117,7 +117,9 @@ otherConstructors =
   , mkMeta
   , mkAttr
   , mkAttributeList
+  , mkBlocks
   , mkCitation
+  , mkInlines
   , mkListAttributes
   , mkSimpleTable
 

test/lua/module/pandoc.lua

@@ -19,9 +19,15 @@ return {
       test('pandoc.AttributeList is a function', function ()
         assert.are_equal(type(pandoc.AttributeList), 'function')
       end),
+      test('pandoc.Blocks is a function', function ()
+        assert.are_equal(type(pandoc.Blocks), 'function')
+      end),
       test('pandoc.Citation is a function', function ()
         assert.are_equal(type(pandoc.Citation), 'function')
       end),
+      test('pandoc.Inlines is a function', function ()
+        assert.are_equal(type(pandoc.Inlines), 'function')
+      end),
       test('pandoc.SimpleTable is a function', function ()
         assert.are_equal(type(pandoc.SimpleTable), 'function')
       end),