Convert hint box markdown in DocuBlocks

_plugins/DocuBlockTag.rb

@@ -251,6 +251,20 @@ def get_docu_block(path, blockname)
         @@paths[path][blockname]
     end
 
+    def convertHintBox(context, content)
+        site = context.registers[:site]
+        converter = site.find_converter_instance(::Jekyll::Converters::Markdown)
+
+        # Remove indention based on first actual line (but only spaces)
+        content = content.sub(/^[\r\n]+/, '')
+        indent = content.index(/[^ ]/) || 0
+        content = content.lines.map{ |line| line.slice([indent, line.index(/[^ ]/) || 0].min, line.length) }.join ''
+        # Parse Markdown and strip trailing whitespace (especially line breaks).
+        # Otherwise below <div>s will be wrapped in <p> for some reason!
+        content = converter.convert(content).sub(/\s+$/, '')
+        content
+    end
+
     def render(context)
         if context["page"]["dir"] =~ /\d\.\d\/?$/
             dir = context["page"]["dir"] + "/"
@@ -299,7 +313,7 @@ def render(context)
             "<div class=\"alert alert-#{$1}\" style=\"display: flex\">
     <i class=\"fa fa-info-circle\" style=\"margin-right: 10px; margin-top: 4px;\"></i>
     <div>
-        #{$2}
+        #{convertHintBox(context, $2)}
     </div>
 </div>"}
         content