Colorize on_symbols_beg (%I)

lib/irb/color.rb

@@ -52,6 +52,7 @@ module IRB # :nodoc:
         on_regexp_beg:      [[RED, BOLD],             ALL],
         on_regexp_end:      [[RED, BOLD],             ALL],
         on_symbeg:          [[YELLOW],                ALL],
+        on_symbols_beg:     [[RED, BOLD],             ALL],
         on_tstring_beg:     [[RED, BOLD],             ALL],
         on_tstring_content: [[RED],                   ALL],
         on_tstring_end:     [[RED, BOLD],             ALL],

test/irb/test_color.rb

@@ -35,8 +35,16 @@ module TestIRB
         '/r#{e}g/' => "#{RED}#{BOLD}/#{CLEAR}#{RED}r#{CLEAR}#{RED}\#{#{CLEAR}e#{RED}}#{CLEAR}#{RED}g#{CLEAR}#{RED}#{BOLD}/#{CLEAR}",
         "'a\nb'" => "#{RED}#{BOLD}'#{CLEAR}#{RED}a#{CLEAR}\n#{RED}b#{CLEAR}#{RED}#{BOLD}'#{CLEAR}",
         "[1]]]\u0013" => "[1]]]^S",
+        "%[str]" => "#{RED}#{BOLD}%[#{CLEAR}#{RED}str#{CLEAR}#{RED}#{BOLD}]#{CLEAR}",
+        "%Q[str]" => "#{RED}#{BOLD}%Q[#{CLEAR}#{RED}str#{CLEAR}#{RED}#{BOLD}]#{CLEAR}",
+        "%q[str]" => "#{RED}#{BOLD}%q[#{CLEAR}#{RED}str#{CLEAR}#{RED}#{BOLD}]#{CLEAR}",
+        "%x[cmd]" => "#{RED}#{BOLD}%x[#{CLEAR}#{RED}cmd#{CLEAR}#{RED}#{BOLD}]#{CLEAR}",
+        "%r[reg]" => "#{RED}#{BOLD}%r[#{CLEAR}#{RED}reg#{CLEAR}#{RED}#{BOLD}]#{CLEAR}",
         "%w[a b]" => "#{RED}#{BOLD}%w[#{CLEAR}#{RED}a#{CLEAR} #{RED}b#{CLEAR}#{RED}#{BOLD}]#{CLEAR}",
+        "%W[a b]" => "#{RED}#{BOLD}%W[#{CLEAR}#{RED}a#{CLEAR} #{RED}b#{CLEAR}#{RED}#{BOLD}]#{CLEAR}",
+        "%s[a b]" => "#{YELLOW}%s[#{CLEAR}#{YELLOW}a b#{CLEAR}#{YELLOW}]#{CLEAR}",
         "%i[c d]" => "#{RED}#{BOLD}%i[#{CLEAR}#{RED}c#{CLEAR} #{RED}d#{CLEAR}#{RED}#{BOLD}]#{CLEAR}",
+        "%I[c d]" => "#{RED}#{BOLD}%I[#{CLEAR}#{RED}c#{CLEAR} #{RED}d#{CLEAR}#{RED}#{BOLD}]#{CLEAR}",
         "{'a': 1}" => "{#{RED}#{BOLD}'#{CLEAR}#{RED}a#{CLEAR}#{RED}#{BOLD}':#{CLEAR} #{BLUE}#{BOLD}1#{CLEAR}}",
         ":Struct" => "#{YELLOW}:#{CLEAR}#{YELLOW}Struct#{CLEAR}",
         '"#{}"' => "#{RED}#{BOLD}\"#{CLEAR}#{RED}\#{#{CLEAR}#{RED}}#{CLEAR}#{RED}#{BOLD}\"#{CLEAR}",