From 140ac8233dc3da0d804b9c5d029b581f0b970f4c Mon Sep 17 00:00:00 2001
From: Charlotte Dunois <github@charuru.moe>
Date: Sun, 10 Jun 2018 13:21:42 +0200
Subject: [PATCH] Add negative lookbehind

---
 lib/ex_doc/formatter/html/autolink.ex        | 2 +-
 test/ex_doc/formatter/html/autolink_test.exs | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/ex_doc/formatter/html/autolink.ex b/lib/ex_doc/formatter/html/autolink.ex
index fcb8416d1..b27a4bac9 100644
--- a/lib/ex_doc/formatter/html/autolink.ex
+++ b/lib/ex_doc/formatter/html/autolink.ex
@@ -462,7 +462,7 @@ defmodule ExDoc.Formatter.HTML.Autolink do
   """
   def elixir_modules(bin, modules, module_id \\ nil,
                      extension \\ ".html", lib_dirs \\ elixir_lib_dirs()) when is_binary(bin) do
-    regex = ~r{(?<!\[)`\s*(([A-Z][A-Za-z_\d]+\.?)+)\s*`(?!\])}
+    regex = ~r{(?<!\[)(?<!``)`\s*(([A-Z][A-Za-z_\d]+\.?)+)\s*`(?!\])}
 
     Regex.replace(regex, bin, fn all, match ->
       cond do
diff --git a/test/ex_doc/formatter/html/autolink_test.exs b/test/ex_doc/formatter/html/autolink_test.exs
index d3424e700..6c902f32f 100644
--- a/test/ex_doc/formatter/html/autolink_test.exs
+++ b/test/ex_doc/formatter/html/autolink_test.exs
@@ -164,6 +164,8 @@ defmodule ExDoc.Formatter.HTML.AutolinkTest do
     assert Autolink.elixir_modules("`MyModule.Nested`", ["MyModule.Nested"], "MyModule.Nested") == "[`MyModule.Nested`](MyModule.Nested.html#content)"
     assert Autolink.elixir_modules("`MyModule.Nested.Deep`", ["MyModule.Nested.Deep"], "MyModule.Nested.Deep") ==
       "[`MyModule.Nested.Deep`](MyModule.Nested.Deep.html#content)"
+    assert Autolink.elixir_modules("```\nThis is a test.\n```\n\nSee `MyModule`.", ["MyModule"], "MyModule") ==
+      "```\nThis is a test.\n```\n\nSee [`MyModule`](MyModule.html#content)."
   end
 
   test "autolink modules in elixir" do