Pull out a couple of template variables

As part of this I've removed the `smartify` filter, which turns out to
have a noticeable impact on performance -- from ~11s to ~8s on my MBA!
This filter is really quite slow, and irrelevant for a site title that
doesn't have anything in need of SmartyPants.

_config.yml

@@ -52,18 +52,24 @@ liquid:
   # (e.g. I don't want to set an empty `nav_section: ""` for every page
   # which doesn't belong to a section).
 
-# ================
-# Remaining config
-
+# ==================
+# Template variables
+# ==================
+#
+# These variables aren't part of any third-party Jekyll plugin; they're
+# placeholders used in my templates.
 
 title: "alexwlchan"
-
 author: "Alex Chan"
-email: "[email protected]"
 
-description: "Alex Chan's personal blog"
+email: "[email protected]"
 url: "https://alexwlchan.net"
 
+description: "Alex Chan's personal website"
+
+# ================
+# Remaining config
+
 date_format: "%-d %B %Y"
 
 permalink: "/:year/:title/"

src/_includes/head.html

@@ -1,6 +1,6 @@
 {% assign safe_title = page.title | markdownify_oneline | smartify | strip_html %}
 
-<title>{% if page.title and page.title != site.title and page.title != "" %}{{ safe_title }} &ndash; {% endif %}{{ site.title | smartify }}</title>
+<title>{% if page.title and page.title != site.title and page.title != "" %}{{ safe_title }} &ndash; {% endif %}{{ site.title }}</title>
 
 <meta name="description" content="{{ page.summary | default: site.description | escape }}">
 

src/atom.xml

@@ -8,7 +8,7 @@ layout: default_xml
   <link href="{{ '/' | absolute_url }}" rel="alternate" type="text/html" />
   <updated>{{ site.time | date_to_xmlschema }}</updated>
   <id>{{ '/' | absolute_url | xml_escape }}</id>
-  <title type="html">{{ site.title | smartify | xml_escape }}</title>
+  <title type="html">{{ site.title | xml_escape }}</title>
   <subtitle>{{ site.description | xml_escape }}</subtitle>
 
   <author>