lib/yard/parser/ruby/legacy/ruby_lex.rb in yard-0.5.3 vs lib/yard/parser/ruby/legacy/ruby_lex.rb in yard-0.5.4

@@ -81,10 +81,10 @@
       end
 
       class TkUnknownChar < Token
         def initialize(line_no, char_no, id)
           super(line_no, char_no)
-          @name = char_no.chr
+          @name = char_no > 255 ? '?' : char_no.chr
         end
         attr :name
       end
 
       class TkError < Token