only process text outside of code blocks

README.md

@@ -165,13 +165,11 @@ Your markdown files should start like this.
 
 > [!IMPORTANT]
 > 
-> Your root `README.md` front matter should contain a `permalink` attribute:
+> Your root `README.md` front matter should contain the following `permalink` attribute:
 > ```yaml
 > permalink: /index.html
 > ```
 
-Link to nested [README](./lib/README.md)
-
 ## License
 
 This project is licensed under the MIT License. See the [LICENSE.txt](LICENSE.txt) file

lib/jekyll-gfm-admonitions.rb

@@ -66,6 +66,12 @@ def self.admonition_pages
     end
 
     def convert_admonitions(doc)
+      code_blocks = []
+      doc.content.gsub!(/```.*?```/m) do |match|
+        code_blocks << match
+        "```{{CODE_BLOCK_#{code_blocks.length - 1}}}```"
+      end
+
       doc.content.gsub!(/>\s*\[!(IMPORTANT|NOTE|WARNING|TIP|CAUTION)\]\s*\n((?:>.*\n?)*)/) do
         type = ::Regexp.last_match(1).downcase
         title = type.capitalize
@@ -78,6 +84,10 @@ def convert_admonitions(doc)
           <p>#{@markdown.convert(text)}</p>
         </div>\n\n"
       end
+
+      doc.content.gsub!(/```\{\{CODE_BLOCK_(\d+)}}```/) do
+        "```#{code_blocks[$1.to_i]}```"
+      end
     end
   end