csv.rb: tail commas

* lib/csv.rb (CSV::Converters, CSV::DEFAULT_OPTIONS): supply tail
  commas for further elements.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53184 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/csv.rb

@@ -949,7 +949,8 @@ class CSV
   # To add a combo field, the value should be an Array of names.  Combo fields
   # can be nested with other combo fields.
   #
-  Converters  = { integer:   lambda { |f|
+  Converters  = {
+    integer:   lambda { |f|
       Integer(f.encode(ConverterEncoding)) rescue f
     },
     float:     lambda { |f|
@@ -972,7 +973,8 @@ class CSV
         f
       end
     },
-                  all:       [:date_time, :numeric] }
+    all:       [:date_time, :numeric],
+  }
 
   #
   # This Hash holds the built-in header converters of CSV that can be accessed
@@ -1018,7 +1020,8 @@ class CSV
   # <b><tt>:force_quotes</tt></b>::       +false+
   # <b><tt>:skip_lines</tt></b>::         +nil+
   #
-  DEFAULT_OPTIONS = { col_sep:            ",",
+  DEFAULT_OPTIONS = {
+    col_sep:            ",",
     row_sep:            :auto,
     quote_char:         '"',
     field_size_limit:   nil,
@@ -1029,7 +1032,8 @@ class CSV
     header_converters:  nil,
     skip_blanks:        false,
     force_quotes:       false,
-                      skip_lines:         nil }.freeze
+    skip_lines:         nil,
+  }.freeze
 
   #
   # This method will return a CSV instance, just like CSV::new(), but the