lib/rdoc/servlet.rb in rdoc-6.2.1 vs lib/rdoc/servlet.rb in rdoc-6.3.0

@@ -1,10 +1,15 @@
 # frozen_string_literal: true
 require 'rdoc'
 require 'erb'
 require 'time'
 require 'json'
-require 'webrick'
+
+begin
+  require 'webrick'
+rescue LoadError
+  abort "webrick is not found. You may need to `gem install webrick` to install webrick."
+end
 
 ##
 # This is a WEBrick servlet that allows you to browse ri documentation.
 #
 # You can show documentation through either `ri --server` or, with RubyGems