Update Leaflet documentation (1.9.1)

lib/docs/filters/leaflet/clean_html.rb

@@ -28,8 +28,10 @@ module Docs
             'css'
           elsif node['class'].include?('lang-js') || node['class'].include?('language-js') || node['class'].include?('lang-javascript')
             'javascript'
+          else
+            'javascript'
           end
-          node.parent['data-language'] = lang if lang
+          node.parent['data-language'] = lang
           node.before(node.children).remove
         end
 

lib/docs/scrapers/leaflet.rb

@@ -19,9 +19,14 @@ module Docs
       Maps © OpenStreetMap contributors.
     HTML
 
+    version '1.9' do
+      self.release = '1.9.1'
+      self.base_url = "https://leafletjs.com/reference.html"
+    end
+
     version '1.8' do
       self.release = '1.8.0'
-      self.base_url = "https://leafletjs.com/SlavaUkraini/reference.html"
+      self.base_url = "https://leafletjs.com/reference-#{release}.html"
     end
 
     version '1.7' do