A couple of stray tidy-up changes

_config.yml

@@ -78,6 +78,14 @@ collections:
     output: true
     permalink: "/til/:year/:title/"
 
+# ================
+# Permalink config
+# ================
+#
+# Set the URL structure for permalinks on my posts.
+# See https://jekyllrb.com/docs/permalinks/#global
+permalink: "/:year/:title/"
+
 # ==================
 # Template variables
 # ==================
@@ -93,12 +101,10 @@ url: "https://alexwlchan.net"
 
 description: "Alex Chan's personal website"
 
-# ================
-# Remaining config
-
 date_format: "%-d %B %Y"
 
-permalink: "/:year/:title/"
+# ================
+# Remaining config
 
 keep_files: [
   # Managed by rsync outside the main Jekyll process

src/_plugins/filter_cleanup_text.rb

@@ -89,25 +89,29 @@ def self.add_non_breaking_spaces(input)
 module Jekyll
   module CleanupsFilter
     def cleanup_text(input)
-      text = AddNonBreakingSpaces.add_non_breaking_spaces(input)
+      cache = Jekyll::Cache.new('CleanupText')
 
-      # Display "LaTeX" in a nice way, if you have CSS enabled
-      text = text.gsub(
-        ' LaTeX',
-        ' <span class="visually-hidden">LaTeK</span><span class="latex" aria-hidden="true">L<sup>a</sup>T<sub>e</sub>X</span>'
-      )
+      cache.getset(input) do
+        text = AddNonBreakingSpaces.add_non_breaking_spaces(input)
 
-      text = text.gsub(
-        ' TeX',
-        ' <span class="visually-hidden">TeK</span><span class="latex" aria-hidden="true">T<sub>e</sub>X</span>'
-      )
+        # Display "LaTeX" in a nice way, if you have CSS enabled
+        text = text.gsub(
+          ' LaTeX',
+          ' <span class="visually-hidden">LaTeK</span><span class="latex" aria-hidden="true">L<sup>a</sup>T<sub>e</sub>X</span>'
+        )
 
-      # Make sure that footnote markers are rendered as a text
-      # arrow on iOS devices, not emoji.  For more info:
-      # http://daringfireball.net/linked/2015/04/22/unicode-emoji
-      text
-        .gsub('&#8617;', '&#8617;&#xFE0E;')
-        .gsub('↩', '&#8617;&#xFE0E;')
+        text = text.gsub(
+          ' TeX',
+          ' <span class="visually-hidden">TeK</span><span class="latex" aria-hidden="true">T<sub>e</sub>X</span>'
+        )
+
+        # Make sure that footnote markers are rendered as a text
+        # arrow on iOS devices, not emoji.  For more info:
+        # http://daringfireball.net/linked/2015/04/22/unicode-emoji
+        text
+          .gsub('&#8617;', '&#8617;&#xFE0E;')
+          .gsub('↩', '&#8617;&#xFE0E;')
+      end
     end
   end
 end

src/_scss/base/layout.scss

@@ -128,15 +128,3 @@ a.download {
     margin-right: 0px;
   }
 }
-
-@media screen and (max-width: 500px) {
-  .eggbox-4 li:nth-child(4) {
-    display: none;
-  }
-}
-
-@media screen and (min-width: 1000px) {
-  .eggbox-4 li:nth-child(4) {
-    display: none;
-  }
-}