[devdocsgjs/main: 1061/1867] ocaml: enable highlighting of caml-example code fragments

[Andy Holmes <andyholmes src gnome org>]

commit c39f1a138b5056c6c43bc1972be8b0fa0ce80e38
Author: Antoine Pietri <antoine pietri1 gmail com>
Date:   Sun May 24 14:29:08 2020 +0200

    ocaml: enable highlighting of caml-example code fragments

 lib/docs/filters/ocaml/clean_html.rb | 11 +++++++++++
 1 file changed, 11 insertions(+)
---
diff --git a/lib/docs/filters/ocaml/clean_html.rb b/lib/docs/filters/ocaml/clean_html.rb
index 44f3fb5a..dea7a59a 100644
--- a/lib/docs/filters/ocaml/clean_html.rb
+++ b/lib/docs/filters/ocaml/clean_html.rb
@@ -6,6 +6,17 @@ module Docs
           node['data-language'] = 'ocaml'
         end
 
+        css('.caml-input').each do |node|
+          node.content = '# ' + node.content.strip
+        end
+
+        css('.caml-example').each do |node|
+          node.name = 'pre'
+          node.traverse { |n| n.remove if n.text? && n.text !~ /\S/ }
+
+          node['data-language'] = 'ocaml'
+        end
+
         doc
       end
     end