fix highlighting of ?" in ruby mode

demo/kitchen-sink/docs/ruby.rb

@@ -20,7 +20,7 @@ class Range
   end
 end
 
-{:id => 34, :key => "value"}
+{:id => ?", :key => "value"}
 
 
     herDocs = [<<'FOO', <<BAR, <<-BAZ, <<-`EXEC`] #comment

lib/ace/mode/_test/text_ruby.txt

@@ -13,7 +13,7 @@
     [1, +1, -1, 12_345, 0.000_1,
     _, 3_1, 1_2, 1_.0, 0._1];
  
-{:id => 34, :key => "value"}
+{:id => ?", :key => "value", anotherKey: [x, y?]}
 
 =begin
 =end

lib/ace/mode/_test/tokens_ruby.json

@@ -139,7 +139,7 @@
   ["text"," "],
   ["punctuation.separator.key-value","=>"],
   ["text"," "],
-  ["constant.numeric","34"],
+  ["string.character","?\""],
   ["text",", "],
   ["constant.other.symbol.ruby",":key"],
   ["text"," "],
@@ -148,7 +148,15 @@
   ["string.start","\""],
   ["string","value"],
   ["string.end","\""],
-  ["paren.rparen","}"]
+  ["text",", "],
+  ["identifier","anotherKey"],
+  ["text",": "],
+  ["paren.lparen","["],
+  ["identifier","x"],
+  ["text",", "],
+  ["identifier","y"],
+  ["text","?"],
+  ["paren.rparen","]}"]
 ],[
    "start"
 ],[

lib/ace/mode/ruby_highlight_rules.js

@@ -288,6 +288,9 @@ var RubyHighlightRules = function() {
                         return stack[0];
                     return currentState;
                 }
+            }, {
+               token : "string.character",
+               regex : "\\B\\?."
             }, {
                 token : "keyword.operator",
                 regex : "!|\\$|%|&|\\*|\\-\\-|\\-|\\+\\+|\\+|~|===|==|=|!=|!==|<=|>=|<<=|>>=|>>>=|<>|<|>|!|&&|\\|\\||\\?\\:|\\*=|%=|\\+=|\\-=|&=|\\^=|\\b(?:in|instanceof|new|delete|typeof|void)"