update nokogiri dependency

Gemfile

@@ -28,6 +28,6 @@ end
 # Performance-booster for watching directories on Windows
 gem "wdm", "~> 0.1.1", :platforms => [:mingw, :x64_mingw, :mswin]
 
-gem "nokogumbo"
+gem "nokogiri", "~> 1.12"
 gem "webrick"
 gem "htmlbeautifier"

Gemfile.lock

@@ -1,20 +1,19 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.8.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.4)
+      public_suffix (>= 2.0.2, < 6.0)
     colorator (1.1.0)
-    concurrent-ruby (1.1.9)
+    concurrent-ruby (1.2.2)
     em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
       http_parser.rb (~> 0)
     eventmachine (1.2.7)
     ffi (1.15.5)
-    ffi (1.15.5-x64-mingw-ucrt)
     forwardable-extended (2.6.0)
-    htmlbeautifier (1.4.1)
+    htmlbeautifier (1.4.2)
     http_parser.rb (0.8.0)
-    i18n (1.10.0)
+    i18n (1.13.0)
       concurrent-ruby (~> 1.0)
     jekyll (4.2.2)
       addressable (~> 2.4)
@@ -31,68 +30,55 @@ GEM
       rouge (~> 3.0)
       safe_yaml (~> 1.0)
       terminal-table (~> 2.0)
-    jekyll-feed (0.16.0)
+    jekyll-feed (0.17.0)
       jekyll (>= 3.7, < 5.0)
     jekyll-sass-converter (2.2.0)
       sassc (> 2.0.1, < 3.0)
     jekyll-seo-tag (2.8.0)
       jekyll (>= 3.8, < 5.0)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
-    kramdown (2.3.1)
+    kramdown (2.4.0)
       rexml
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)
-    liquid (4.0.3)
-    listen (3.7.1)
+    liquid (4.0.4)
+    listen (3.8.0)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.4.0)
-    nokogiri (1.14.3-arm64-darwin)
+    nokogiri (1.15.1-x86_64-darwin)
       racc (~> 1.4)
-    nokogiri (1.14.3-x64-mingw-ucrt)
-      racc (~> 1.4)
-    nokogiri (1.14.3-x86_64-darwin)
-      racc (~> 1.4)
-    nokogiri (1.14.3-x86_64-linux)
-      racc (~> 1.4)
-    nokogumbo (2.0.5)
-      nokogiri (~> 1.8, >= 1.8.4)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (4.0.6)
+    public_suffix (5.0.1)
     racc (1.6.2)
-    rb-fsevent (0.11.1)
+    rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     rexml (3.2.5)
-    rouge (3.28.0)
+    rouge (3.30.0)
     safe_yaml (1.0.5)
     sassc (2.4.0)
       ffi (~> 1.9)
     terminal-table (2.0.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
     unicode-display_width (1.8.0)
-    webrick (1.7.0)
+    webrick (1.8.1)
 
 PLATFORMS
-  arm64-darwin-21
-  x64-mingw-ucrt
-  x86_64-darwin-19
-  x86_64-darwin-20
-  x86_64-darwin-21
-  x86_64-linux
+  x86_64-darwin-22
 
 DEPENDENCIES
   htmlbeautifier
   jekyll (~> 4.2.0)
   jekyll-feed (~> 0.12)
   jekyll-seo-tag
-  nokogumbo
+  nokogiri (~> 1.12)
   tzinfo (~> 1.2)
   tzinfo-data
   wdm (~> 0.1.1)
   webrick
 
 BUNDLED WITH
-   2.2.22
+   2.4.10

_plugins/MITVisFilters.rb

@@ -1,12 +1,12 @@
-require 'nokogumbo'
+require 'nokogiri'
 
 module MITVisFilters
   def filter_alumni(input, flag)
     input.select{ |key, value| value['alumni'] == flag }
   end
 
   def filter_titles(arr, titles, flip=false)
-    arr.select{ |key, value| 
+    arr.select{ |key, value|
       title = value['title']
       first = titles.any? { |t| title.include?(t) }
       flip ? !first : first
@@ -24,7 +24,7 @@ def namesort(arr)
     if sort_head
       head = namesort(head)
     end
-    
+
     tail = namesort(filter_titles(input, titles, true))
     head + tail
   end
@@ -33,12 +33,12 @@ def jsonify_pub(input)
     people = @context.registers[:site].data['people']
     pub = {
       'id': input['slug'],
-      'title': input['title'], 
+      'title': input['title'],
       'year': input['year'],
       'type': input['type'],
       'tags': input['tags'].map { |tag| tag.downcase},
-      'authors': input['authors'].map { 
-        |author| author['name'] || people[author['key']]['name'] 
+      'authors': input['authors'].map {
+        |author| author['name'] || people[author['key']]['name']
       }
     }
 

_scripts/tex2md.rb

@@ -1,7 +1,7 @@
 #! /usr/bin/env ruby
 
 require 'fileutils'
-require 'nokogumbo'
+require 'nokogiri'
 require 'htmlbeautifier'
 
 # Call from the root directory.
@@ -25,7 +25,7 @@
 
 # Improve semantics
 h6 = doc.css('h6')
-h6.each do |h| 
+h6.each do |h|
   h.name = 'h2'
   if h.content == 'Acknowledgements.'
     h.content = 'Acknowledgements'
@@ -91,7 +91,7 @@
 
   # Remove "External Links" text
   span.inner_html = span.inner_html.sub('External Links: ', '')
-    
+
 
   # Remove URL Notes
   # Remove empty Document links