Updated signature to handle map special forms

Author: jwarwick

lib/ex_doc/html_formatter/templates.ex

@@ -51,7 +51,7 @@ defmodule ExDoc.HTMLFormatter.Templates do
  cond do
  name in [:__aliases__, :__block__] ->
  "#{name}(args)"
- name in [:__ENV__, :__MODULE__, :__DIR__, :__CALLER__] ->
+ name in [:__ENV__, :__MODULE__, :__DIR__, :__CALLER__, :%, :%{}] ->
  "#{name}"
  true ->
  Macro.to_string { name, 0, args }