From 25b4f9961308ec69852f1fd4aaac2907245fda20 Mon Sep 17 00:00:00 2001
From: calvin s <calvin@kargo.tech>
Date: Fri, 12 Jun 2020 04:17:14 +0700
Subject: [PATCH 1/2] add support for path dependent markdown autolink

---
 lib/ex_doc/autolink.ex        | 6 +++---
 test/ex_doc/autolink_test.exs | 2 ++
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/lib/ex_doc/autolink.ex b/lib/ex_doc/autolink.ex
index 28b5c6ffb..dd3bb99cb 100644
--- a/lib/ex_doc/autolink.ex
+++ b/lib/ex_doc/autolink.ex
@@ -105,10 +105,10 @@ defmodule ExDoc.Autolink do
          uri <- URI.parse(href),
          nil <- uri.host,
          true <- is_binary(uri.path),
-         true <- uri.path == Path.basename(uri.path),
          ".md" <- Path.extname(uri.path) do
-      if uri.path in config.extras do
-        without_ext = String.trim_trailing(uri.path, ".md")
+      md_file = Path.basename(uri.path)
+      if md_file in config.extras do
+        without_ext = String.trim_trailing(md_file, ".md")
         fragment = (uri.fragment && "#" <> uri.fragment) || ""
         HTML.text_to_id(without_ext) <> config.ext <> fragment
       else
diff --git a/test/ex_doc/autolink_test.exs b/test/ex_doc/autolink_test.exs
index e621c152c..2e96e772f 100644
--- a/test/ex_doc/autolink_test.exs
+++ b/test/ex_doc/autolink_test.exs
@@ -202,6 +202,8 @@ defmodule ExDoc.AutolinkTest do
 
       assert autolink(~m"[Foo](Foo Bar.md#baz)", opts) == ~m"[Foo](foo-bar.html#baz)"
 
+      assert autolink(~m"[Foo](../guide/Foo Bar.md)", opts) == ~m"[Foo](foo-bar.html)"
+
       assert_unchanged(~m"[Foo](http://example.com/foo.md)", opts)
 
       assert_unchanged(~m"[Foo](#baz)", opts)

From 4c95a3a98959c7bde6836a4595b31715c7fe58b0 Mon Sep 17 00:00:00 2001
From: calvin s <calvin@kargo.tech>
Date: Fri, 12 Jun 2020 04:27:06 +0700
Subject: [PATCH 2/2] mix format

---
 lib/ex_doc/autolink.ex | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/ex_doc/autolink.ex b/lib/ex_doc/autolink.ex
index dd3bb99cb..927c62699 100644
--- a/lib/ex_doc/autolink.ex
+++ b/lib/ex_doc/autolink.ex
@@ -107,6 +107,7 @@ defmodule ExDoc.Autolink do
          true <- is_binary(uri.path),
          ".md" <- Path.extname(uri.path) do
       md_file = Path.basename(uri.path)
+
       if md_file in config.extras do
         without_ext = String.trim_trailing(md_file, ".md")
         fragment = (uri.fragment && "#" <> uri.fragment) || ""