lib/kramdown/converter.rb in kramdown-1.17.0 vs lib/kramdown/converter.rb in kramdown-2.0.0.beta1

@@ -1,9 +1,9 @@
-# -*- coding: utf-8 -*-
+# -*- coding: utf-8; frozen_string_literal: true -*-
 #
 #--
-# Copyright (C) 2009-2016 Thomas Leitner <[e-mail]>
+# Copyright (C) 2009-2019 Thomas Leitner <[e-mail]>
 #
 # This file is part of kramdown which is licensed under the MIT.
 #++
 #
 
@@ -23,43 +23,42 @@
     autoload :Html, 'kramdown/converter/html'
     autoload :Latex, 'kramdown/converter/latex'
     autoload :Kramdown, 'kramdown/converter/kramdown'
     autoload :Toc, 'kramdown/converter/toc'
     autoload :RemoveHtmlTags, 'kramdown/converter/remove_html_tags'
-    autoload :Pdf, 'kramdown/converter/pdf'
     autoload :HashAST, 'kramdown/converter/hash_ast'
     autoload :HashAst, 'kramdown/converter/hash_ast'
     autoload :Man, 'kramdown/converter/man'
 
     extend ::Kramdown::Utils::Configurable
 
     configurable(:syntax_highlighter)
 
-    ['Minted', "Coderay", "Rouge"].each do |klass_name|
+    ['Minted', "Rouge"].each do |klass_name|
       kn_down = klass_name.downcase.intern
       add_syntax_highlighter(kn_down) do |converter, text, lang, type, opts|
         require "kramdown/converter/syntax_highlighter/#{kn_down}"
         klass = ::Kramdown::Utils.deep_const_get("::Kramdown::Converter::SyntaxHighlighter::#{klass_name}")
         if !klass.const_defined?(:AVAILABLE) || klass::AVAILABLE
           add_syntax_highlighter(kn_down, klass)
         else
-          add_syntax_highlighter(kn_down) {|*args| nil}
+          add_syntax_highlighter(kn_down) { nil }
         end
         syntax_highlighter(kn_down).call(converter, text, lang, type, opts)
       end
     end
 
     configurable(:math_engine)
 
-    ["Mathjax", "MathjaxNode", "Katex", "SsKaTeX", "Ritex", "Itex2MML"].each do |klass_name|
+    ["Mathjax"].each do |klass_name|
       kn_down = klass_name.downcase.intern
       add_math_engine(kn_down) do |converter, el, opts|
         require "kramdown/converter/math_engine/#{kn_down}"
         klass = ::Kramdown::Utils.deep_const_get("::Kramdown::Converter::MathEngine::#{klass_name}")
         if !klass.const_defined?(:AVAILABLE) || klass::AVAILABLE
           add_math_engine(kn_down, klass)
         else
-          add_math_engine(kn_down) {|*args| nil}
+          add_math_engine(kn_down) { nil }
         end
         math_engine(kn_down).call(converter, el, opts)
       end
     end