feat: Extend pandoc builtins with globals used to create filters

Author: alerque

src/luacheck/builtin_standards/init.lua

@@ -347,8 +347,20 @@ builtin_standards.sile = {
 -- https://pandoc.org/lua-filters.html#global-variables
 builtin_standards.pandoc = {
    globals = {
+      -- Global modules
       "pandoc", "lpeg", "re",
-      "PANDOC_READER_OPTIONS", "PANDOC_WRITER_OPTIONS", "PANDOC_VERSION", "PANDOC_API_VERSION", "PANDOC_SCRIPT_FILE", "PANDOC_STATE",
+      -- Global variables
+      "PANDOC_READER_OPTIONS", "PANDOC_WRITER_OPTIONS", "PANDOC_VERSION", "PANDOC_API_VERSION", "PANDOC_SCRIPT_FILE",
+      "PANDOC_STATE",
+      -- Globals that can be used to create filter elements
+      -- - top level
+      "Inlines", "Blocks", "Meta", "Pandoc",
+      -- - inline
+      "Cite", "Code", "Emph", "Image", "LineBreak", "Link", "Math", "Note", "Quoted", "RawInline", "SmallCaps",
+      "SoftBreak", "Space", "Span", "Str", "Strikeout", "Strong", "Subscript", "Superscript", "Underline",
+      -- - block
+      "BlockQuote", "BulletList", "CodeBlock", "DefinitionList", "Div", "Figure", "Header", "HorizontalRule",
+      "LineBlock", "OrderedList", "Para", "Plain", "RawBlock", "Table",
    }
 }