From aa8ca74883243708f3203e7f659aafbbcbdc720e Mon Sep 17 00:00:00 2001
From: Serge <shayief@gmail.com>
Date: Sun, 22 Mar 2020 22:51:37 -0400
Subject: [PATCH] Fix duplicated title and description tags

Currently just-the-docs renders two title and description tags
when used with jekyll-seo-tag. This patch fixes plugin detection
conditonal.
---
 _includes/head.html | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/_includes/head.html b/_includes/head.html
index eae6a5e9..aebfaba8 100644
--- a/_includes/head.html
+++ b/_includes/head.html
@@ -2,13 +2,13 @@
   <meta charset="UTF-8">
   <meta http-equiv="X-UA-Compatible" content="IE=Edge">
 
-  {% if site.plugins.jekyll-seo == nil %}
+  {% unless site.plugins contains "jekyll-seo-tag" %}
     <title>{{ page.title }} - {{ site.title }}</title>
 
     {% if page.description %}
       <meta name="Description" content="{{ page.description }}">
     {% endif %}
-  {% endif %}
+  {% endunless %}
 
   <link rel="shortcut icon" href="{{ 'favicon.ico' | absolute_url }}" type="image/x-icon">
 
-- 
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