update AS/json docs [ci skip]

activesupport/lib/active_support/json/decoding.rb

@@ -39,8 +39,10 @@ def with_backend(name)
         self.backend = old_backend
       end
 
-      # Returns the class of the error that will be raised when there is an error in decoding JSON.
-      # Using this method means you won't directly depend on the ActiveSupport's JSON implementation, in case it changes in the future.
+      # Returns the class of the error that will be raised when there is an
+      # error in decoding JSON. Using this method means you won't directly
+      # depend on the ActiveSupport's JSON implementation, in case it changes
+      # in the future.
       #
       #   begin
       #     obj = ActiveSupport::JSON.decode(some_string)

activesupport/lib/active_support/json/encoding.rb

@@ -25,9 +25,10 @@ module JSON
     # matches YAML-formatted dates
     DATE_REGEX = /^(?:\d{4}-\d{2}-\d{2}|\d{4}-\d{1,2}-\d{1,2}[T \t]+\d{1,2}:\d{2}:\d{2}(\.[0-9]*)?(([ \t]*)Z|[-+]\d{2}?(:\d{2})?))$/
 
-    # Dumps objects in JSON (JavaScript Object Notation). See www.json.org for more info.
+    # Dumps objects in JSON (JavaScript Object Notation).
+    # See www.json.org for more info.
     #
-    #   ActiveSupport::JSON.encode({team: 'rails', players: '36'})
+    #   ActiveSupport::JSON.encode({ team: 'rails', players: '36' })
     #   # => "{\"team\":\"rails\",\"players\":\"36\"}"
     def self.encode(value, options = nil)
       Encoding::Encoder.new(options).encode(value)
@@ -51,7 +52,7 @@ def encode(value, use_options = true)
           end
         end
 
-        # like encode, but only calls as_json, without encoding to string
+        # like encode, but only calls as_json, without encoding to string.
         def as_json(value, use_options = true)
           check_for_circular_references(value) do
             use_options ? value.as_json(options_for(value)) : value.as_json
@@ -60,7 +61,8 @@ def as_json(value, use_options = true)
 
         def options_for(value)
           if value.is_a?(Array) || value.is_a?(Hash)
-            # hashes and arrays need to get encoder in the options, so that they can detect circular references
+            # hashes and arrays need to get encoder in the options, so that
+            # they can detect circular references.
             options.merge(:encoder => self)
           else
             options
@@ -105,10 +107,12 @@ def check_for_circular_references(value)
         '&'    =>  '\u0026' }
 
       class << self
-        # If true, use ISO 8601 format for dates and times. Otherwise, fall back to the Active Support legacy format.
+        # If true, use ISO 8601 format for dates and times. Otherwise, fall back
+        # to the Active Support legacy format.
         attr_accessor :use_standard_json_time_format
 
-        # If false, serializes BigDecimal objects as numeric instead of wrapping them in a string
+        # If false, serializes BigDecimal objects as numeric instead of wrapping
+        # them in a string.
         attr_accessor :encode_big_decimal_as_string
 
         attr_accessor :escape_regex
@@ -231,11 +235,13 @@ class BigDecimal
   # those libraries would get in general a wrong number and no way to recover
   # other than manually inspecting the string with the JSON code itself.
   #
-  # That's why a JSON string is returned. The JSON literal is not numeric, but if
-  # the other end knows by contract that the data is supposed to be a BigDecimal,
-  # it still has the chance to post-process the string and get the real value.
+  # That's why a JSON string is returned. The JSON literal is not numeric, but
+  # if the other end knows by contract that the data is supposed to be a
+  # BigDecimal, it still has the chance to post-process the string and get the
+  # real value.
   #
-  # Use ActiveSupport.use_standard_json_big_decimal_format = true to override this behaviour
+  # Use <tt>ActiveSupport.use_standard_json_big_decimal_format = true</tt> to
+  # override this behaviour.
   def as_json(options = nil) #:nodoc:
     if finite?
       ActiveSupport.encode_big_decimal_as_string ? to_s : self