fixing issue with highlighter -- it was throwing an error for some reason

Gemfile

@@ -1,5 +1,5 @@
+# frozen_string_literal: true
 source "https://rubygems.org"
 
+# gem "rails"source 'https://rubygems.org'
 gem 'github-pages', group: :jekyll_plugins
-gem 'jekyll'
-

Gemfile.lock

@@ -7,8 +7,7 @@ GEM
       i18n (~> 0.7)
       minitest (~> 5.1)
       tzinfo (~> 1.1)
-    addressable (2.5.0)
+    addressable (2.4.0)
-      public_suffix (~> 2.0, >= 2.0.2)
     blankslate (2.1.2.4)
     classifier-reborn (2.0.4)
       fast-stemmer (~> 1.0)
@@ -18,28 +17,37 @@ GEM
     coffee-script-source (1.11.1)
     colorator (0.1)
     concurrent-ruby (1.0.2)
+    ethon (0.10.1)
+      ffi (>= 1.3.0)
     execjs (2.7.0)
     faraday (0.10.0)
       multipart-post (>= 1.2, < 3)
     fast-stemmer (1.0.2)
     ffi (1.9.14)
-    forwardable-extended (2.6.0)
     gemoji (2.1.0)
-    github-pages (28)
+    github-pages (39)
       RedCloth (= 4.2.9)
+      github-pages-health-check (~> 0.2)
       jekyll (= 2.4.0)
-      jekyll-coffeescript (= 1.0.0)
+      jekyll-coffeescript (= 1.0.1)
-      jekyll-mentions (= 0.1.3)
+      jekyll-feed (= 0.3.1)
-      jekyll-redirect-from (= 0.6.2)
+      jekyll-mentions (= 0.2.1)
-      jekyll-sass-converter (= 1.2.0)
+      jekyll-redirect-from (= 0.8.0)
-      jekyll-sitemap (= 0.6.0)
+      jekyll-sass-converter (= 1.3.0)
-      jemoji (= 0.3.0)
+      jekyll-sitemap (= 0.8.1)
-      kramdown (= 1.3.1)
+      jemoji (= 0.5.0)
-      liquid (= 2.6.1)
+      kramdown (= 1.5.0)
+      liquid (= 2.6.2)
       maruku (= 0.7.0)
-      pygments.rb (= 0.6.0)
+      mercenary (~> 0.3)
+      pygments.rb (= 0.6.3)
       rdiscount (= 2.1.7)
-      redcarpet (= 3.1.2)
+      redcarpet (= 3.3.2)
+      terminal-table (~> 1.4)
+    github-pages-health-check (0.3.2)
+      net-dns (~> 0.6)
+      public_suffix (~> 1.4)
+      typhoeus (~> 0.7)
     html-pipeline (1.9.0)
       activesupport (>= 2)
       nokogiri (~> 1.4)
@@ -59,72 +67,75 @@ GEM
       redcarpet (~> 3.1)
       safe_yaml (~> 1.0)
       toml (~> 0.1.0)
-    jekyll-coffeescript (1.0.0)
+    jekyll-coffeescript (1.0.1)
       coffee-script (~> 2.2)
+    jekyll-feed (0.3.1)
     jekyll-gist (1.4.0)
       octokit (~> 4.2)
-    jekyll-mentions (0.1.3)
+    jekyll-mentions (0.2.1)
       html-pipeline (~> 1.9.0)
       jekyll (~> 2.0)
     jekyll-paginate (1.1.0)
-    jekyll-redirect-from (0.6.2)
+    jekyll-redirect-from (0.8.0)
-      jekyll (~> 2.0)
+      jekyll (>= 2.0)
-    jekyll-sass-converter (1.2.0)
+    jekyll-sass-converter (1.3.0)
       sass (~> 3.2)
-    jekyll-sitemap (0.6.0)
+    jekyll-sitemap (0.8.1)
     jekyll-watch (1.5.0)
       listen (~> 3.0, < 3.1)
-    jemoji (0.3.0)
+    jemoji (0.5.0)
       gemoji (~> 2.0)
       html-pipeline (~> 1.9)
-      jekyll (~> 2.0)
+      jekyll (>= 2.0)
-    kramdown (1.3.1)
+    kramdown (1.5.0)
-    liquid (2.6.1)
+    liquid (2.6.2)
     listen (3.0.8)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
     maruku (0.7.0)
     mercenary (0.3.6)
     mini_portile2 (2.1.0)
-    minitest (5.9.1)
+    minitest (5.10.1)
     multipart-post (2.0.0)
+    net-dns (0.8.0)
     nokogiri (1.6.8.1)
       mini_portile2 (~> 2.1.0)
     octokit (4.6.2)
       sawyer (~> 0.8.0, >= 0.5.3)
     parslet (1.5.0)
       blankslate (~> 2.0)
-    pathutil (0.14.0)
-      forwardable-extended (~> 2.6)
     posix-spawn (0.3.12)
-    public_suffix (2.0.4)
+    public_suffix (1.5.3)
-    pygments.rb (0.6.0)
+    pygments.rb (0.6.3)
       posix-spawn (~> 0.3.6)
-      yajl-ruby (~> 1.1.0)
+      yajl-ruby (~> 1.2.0)
     rb-fsevent (0.9.8)
     rb-inotify (0.9.7)
       ffi (>= 0.5.0)
     rdiscount (2.1.7)
-    redcarpet (3.1.2)
+    redcarpet (3.3.2)
-    rouge (1.11.1)
     safe_yaml (1.0.4)
     sass (3.4.22)
     sawyer (0.8.1)
       addressable (>= 2.3.5, < 2.6)
       faraday (~> 0.8, < 1.0)
+    terminal-table (1.7.3)
+      unicode-display_width (~> 1.1.1)
     thread_safe (0.3.5)
     toml (0.1.2)
       parslet (~> 1.5.0)
+    typhoeus (0.8.0)
+      ethon (>= 0.8.0)
     tzinfo (1.2.2)
       thread_safe (~> 0.1)
-    yajl-ruby (1.1.0)
+    unicode-display_width (1.1.1)
+    yajl-ruby (1.2.1)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
   github-pages
-  jekyll
 
 BUNDLED WITH
    1.13.6

_config.yml

@@ -51,6 +51,7 @@ kramdown:
  auto_ids: true
  hard_wrap: false
  syntax_highlighter: rouge
+
 # filter used to process markdown. note that kramdown differs from github-flavored markdown in some subtle ways
 
 collections:

pages/mydoc/mydoc_help_api.md

@@ -39,7 +39,7 @@ A collection is another content type that extends Jekyll beyond the use of pages
 
 Add the following information to your configuration file to declare your collection:
 
-```liquid
+```
 collections:
   tooltips:
     output: false
@@ -65,8 +65,8 @@ Create pages inside your new tooltips collection (that is, inside the \_tooltips
 
 Here's an example:
 
-{% highlight yaml %}
+```yaml
-{% raw %}```liquid
+{% raw %}
 ---
 id: basketball
 product: mydoc
@@ -74,8 +74,6 @@ product: mydoc
 
 {{site.data.definitions.basketball}}{% endraw %}
 ```
-{% endhighlight %}
-
 
 You need to create a separate page for each tooltip you want to deliver.  
 
@@ -113,7 +111,7 @@ Change "mydoc" to the product name you used in each of the tooltip files. The te
 
 This code will loop through all pages in the tooltips collection and insert the `id` and `body` into key-value pairs for the JSON code. Here's an example of what that looks like after it's processed by Jekyll in the site build:
 
-```
+```json
 {
   "entries": [
     {

pages/mydoc/mydoc_syntax_highlighting.md

@@ -13,66 +13,41 @@ folder: mydoc
 For syntax highlighting, use fenced code blocks optionally followed by the language syntax you want:
 
 <pre>
-```ruby
+```java
-    def foo
+import java.util.Scanner;
-      puts 'foo'
+
-    end
+public class ScannerAndKeyboard
+{
+
+	public static void main(String[] args)
+	{	Scanner s = new Scanner(System.in);
+		System.out.print( "Enter your name: "  );
+		String name = s.nextLine();
+		System.out.println( "Hello " + name + "!" );
+	}
+}
 ```
 </pre>
 
 This looks as follows:
 
-```ruby
+```java
-    def foo
+import java.util.Scanner;
-      puts 'foo'
+
-    end
+public class ScannerAndKeyboard
+{
+
+	public static void main(String[] args)
+	{	Scanner s = new Scanner(System.in);
+		System.out.print( "Enter your name: "  );
+		String name = s.nextLine();
+		System.out.println( "Hello " + name + "!" );
+	}
+}
 ```
 
 Fenced code blocks require a blank line before and after.
 
-If you're using an HTML file, you can also use the `highlight` command with Liquid markup:
+If you're using an HTML file, you can also use the `highlight` command with Liquid markup.
-
-{% raw %}
-<pre>
-{% highlight ruby %}
-    def foo
-      puts 'foo'
-    end
-{% endhighlight %}
-</pre>
-{% endraw %}
-
-It renders the same:
-
-{% highlight ruby %}
-    def foo
-      puts 'foo'
-    end
-{% endhighlight %}
-
-
-The theme has syntax highlighting specified in the configuration file as follows:
-
-```
-highlighter: rouge
-```
-
-The syntax highlighting is done via the css/syntax.css file.
-
-## Available lexers
-
-The keywords you must add to specify the highlighting (in the previous example, `ruby`) are called "lexers." You can search for "lexers." Here are some common ones I use:
-
-* js
-* html
-* yaml
-* css
-* json
-* php
-* java
-* cpp
-* dotnet
-* xml
-* http
 
 {% include links.html %}