fix: in Nokogiri >= v1.17.0, use SAX::Document#reference

This works around the issues reported at:

- sparklemotion/nokogiri#1926
- sparklemotion/nokogiri#3147

Closes searls#10.

lib/eiwa/jmdict/doc.rb

@@ -53,6 +53,10 @@ def characters(s)
         @current.add_characters(s)
       end
 
+      def reference(name, content)
+        @current.set_entity(name, content)
+      end
+
       # def comment string
       #   puts "comment #{string}"
       # end
@@ -62,6 +66,7 @@ def characters(s)
       # end
 
       def error(msg)
+        # TODO: This logic can be removed once we pin to Nokogiri >= 1.17.0
         if (matches = msg.match(/Entity '(\S+)' not defined/))
           # See: http://github.com/sparklemotion/nokogiri/issues/1926
           code = matches[1]

lib/eiwa/jmdict/entities.rb

@@ -13,7 +13,7 @@ module Jmdict
       "adj-ku" => "`ku' adjective (archaic)",
       "adj-na" => "adjectival nouns or quasi-adjectives (keiyodoshi)",
       "adj-nari" => "archaic/formal form of na-adjective",
-      "adj-no" => "nouns which may take the genitive case particle `no'",
+      "adj-no" => "nouns which may take the genitive case particle 'no'",
       "adj-pn" => "pre-noun adjectival (rentaishi)",
       "adj-shiku" => "`shiku' adjective (archaic)",
       "adj-t" => "`taru' adjective",
@@ -34,7 +34,7 @@ module Jmdict
       "chem" => "chemistry term",
       "chn" => "children's language",
       "col" => "colloquialism",
-      "comp" => "computer terminology",
+      "comp" => "computing",
       "conj" => "conjunction",
       "cop" => "copula",
       "cop-da" => "copula",
@@ -101,6 +101,7 @@ module Jmdict
       "quote" => "quotation",
       "rare" => "rare",
       "rkb" => "Ryuukyuu-ben",
+      "rK" => "rarely used kanji form",
       "sens" => "sensitive",
       "shogi" => "shogi term",
       "sl" => "slang",