From 8ded2aff0782c0ee9d48012a2c2853d232a6595d Mon Sep 17 00:00:00 2001
From: Arti Zirk <arti.zirk@gmail.com>
Date: Wed, 29 Aug 2018 17:08:34 +0300
Subject: [PATCH] Add 404 page with trailing slash redirect

---
 404.html | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 404.html

diff --git a/404.html b/404.html
new file mode 100644
index 0000000..2bd4ac7
--- /dev/null
+++ b/404.html
@@ -0,0 +1,19 @@
+---
+layout: default
+title: 404 - Page not found
+---
+
+<div class="page">
+  <h1>Sorry, this page doesn't exist.</h1>
+  <h1>(404 error)</h1>
+</div>
+
+<script>
+  // on 2016-02-01 GitHub Pages upgraded to Jekyll3, which broke all blog posts with trailing slashes
+  // and there are tons of links out there on the web to posts with a trailing slash, so can't ignore it
+  // Fix borrowed from https://github.com/daattali/daattali.github.io/blob/master/404.html#L14-L21
+  var url = location.href;
+  if(url.substr(url.length - 1) === '/') {
+    window.location = url.substr(0, url.length - 1);
+  }
+</script>