Make Pandoc export to Blackfriday compatible Markdown table

Thanks to Daniel Stall from
https://groups.google.com/d/msg/pandoc-discuss/PvMKmgVeO3w/oqP6mKHoAgAJ

Add "-simple_tables+pipe_tables" to "-t markdown-citations".

ox-hugo-pandoc-cite.el

@@ -14,13 +14,27 @@
 ;; TODO: Change the defconst to defvar
 (defvar org-hugo-pandoc-cite-pandoc-args-list
   '("-f" "markdown"
-    "-t" "markdown-citations"
-    "--atx-headers")     ;Use "# foo" style heading for output markdown
+    "-t" "markdown-citations-simple_tables+pipe_tables"
+    "--atx-headers")
   "Pandoc arguments used in `org-hugo-pandoc-cite--run-pandoc'.
 
+-f markdown: Convert *from* Markdown
+
+-t markdown: Convert *to* Markdown
+  -citations: Remove the \"citations\" extension.  This will cause
+              citations to be expanded instead of being included as
+              markdown citations.
+
+  -simple_tables: Remove the \"simple_tables\" style.
+
+  +pipe_tables: Add the \"pipe_tables\" style insted that Blackfriday
+                understands.
+
+--atx-headers: Use \"# foo\" style heading for output markdown.
+
 These arguments are added to the `pandoc' call in addition to the
-\"--bibliography\", output file and input file arguments in that
-function.")
+\"--bibliography\", output file (\"-o\") and input file
+arguments.")
 
 (defvar org-hugo-pandoc-cite-pandoc-meta-data
   '("nocite" "csl")

test/site/content-org/all-posts.org

@@ -4624,11 +4624,7 @@ Some text.
 #+begin_myshortcode
 Text not containing *Markdown*
 #+end_myshortcode
-*** COMMENT Testing tables
-- FIXME :: Pandoc breaks the tables.. it converts the ox-hugo generated
-           Markdown tables to something that Blackfriday does not
-           recognize.
-
+*** Testing tables
 |----------+----------+----------|
 | Header 1 | Header 2 | Header 3 |
 |----------+----------+----------|

test/site/content/posts/citations-example-toml.md

@@ -31,6 +31,13 @@ Some text.
 
 {{< myshortcode >}} Text not containing **Markdown** {{< /myshortcode >}}
 
+## Testing tables
+
+| Header 1 | Header 2 | Header 3 |
+|----------|----------|----------|
+| a        | b        | c        |
+| d        | e        | f        |
+
 ## References {#references}
 
 <div id="refs .references">