remove user-specified delimiter from start when no area code is present (in number_to_phone)

actionpack/lib/action_view/helpers/number_helper.rb

@@ -69,7 +69,7 @@ def number_to_phone(number, options = {})
           number.gsub!(/(\d{1,3})(\d{3})(\d{4}$)/,"(\\1) \\2#{delimiter}\\3")
         else
           number.gsub!(/(\d{0,3})(\d{3})(\d{4})$/,"\\1#{delimiter}\\2#{delimiter}\\3")
-          number.slice!(0, 1) if number.starts_with?('-')
+          number.slice!(0, 1) if number.starts_with?(delimiter) && !delimiter.blank?
         end
 
         str = []

actionpack/test/template/number_helper_test.rb

@@ -27,6 +27,7 @@ def test_number_to_phone
     assert_equal("800 555 1212", number_to_phone(8005551212, {:delimiter => " "}))
     assert_equal("(800) 555-1212 x 123", number_to_phone(8005551212, {:area_code => true, :extension => 123}))
     assert_equal("800-555-1212", number_to_phone(8005551212, :extension => "  "))
+    assert_equal("555.1212", number_to_phone(5551212, :delimiter => '.'))
     assert_equal("800-555-1212", number_to_phone("8005551212"))
     assert_equal("+1-800-555-1212", number_to_phone(8005551212, :country_code => 1))
     assert_equal("+18005551212", number_to_phone(8005551212, :country_code => 1, :delimiter => ''))