Add bin and edit workflow

bin/gems/kramdown-2.5.2/lib/kramdown/utils/unidecoder.rb

@@ -0,0 +1,46 @@
+# -*- coding: utf-8; frozen_string_literal: true -*-
+#
+#--
+# Copyright (C) 2009-2026 Thomas Leitner <t_leitner@gmx.at>
+#
+# This file is part of kramdown which is licensed under the MIT.
+#++
+#
+# This file is based on code originally from the Stringex library and needs the data files from
+# Stringex to work correctly.
+
+module Kramdown
+  module Utils
+
+    # Provides the ability to tranliterate Unicode strings into plain ASCII ones.
+    module Unidecoder
+
+      gem 'stringex'
+      path = $:.find do |dir|
+        File.directory?(File.join(File.expand_path(dir), "stringex", "unidecoder_data"))
+      end
+
+      if path
+        CODEPOINTS = Hash.new do |h, k|
+          h[k] = YAML.load_file(File.join(path, "stringex", "unidecoder_data", "#{k}.yml"))
+        end
+
+        # Transliterate string from Unicode into ASCII.
+        def self.decode(string)
+          string.gsub(/[^\x00-\x7f]/u) do |codepoint|
+            unpacked = codepoint.unpack1("U")
+            CODEPOINTS[sprintf("x%02x", unpacked >> 8)][unpacked & 255]
+          rescue StandardError
+            "?"
+          end
+        end
+      else
+        def self.decode(string)
+          string
+        end
+      end
+
+    end
+
+  end
+end