removed colons from a few Example headers

activesupport/lib/active_support/core_ext/date/conversions.rb

@@ -31,7 +31,7 @@ module ActiveSupport #:nodoc:
         #
         # This method is aliased to <tt>to_s</tt>.
         #
-        # ==== Examples:
+        # ==== Examples
         #   date = Date.new(2007, 11, 10)       # => Sat, 10 Nov 2007
         #
         #   date.to_formatted_s(:db)            # => "2007-11-10"
@@ -76,7 +76,7 @@ module ActiveSupport #:nodoc:
         # Converts a Date instance to a Time, where the time is set to the beginning of the day.
         # The timezone can be either :local or :utc (default :local).
         #
-        # ==== Examples:
+        # ==== Examples
         #   date = Date.new(2007, 11, 10)  # => Sat, 10 Nov 2007
         #
         #   date.to_time                   # => Sat Nov 10 00:00:00 0800 2007
@@ -90,7 +90,7 @@ module ActiveSupport #:nodoc:
         # Converts a Date instance to a DateTime, where the time is set to the beginning of the day
         # and UTC offset is set to 0.
         #
-        # ==== Example:
+        # ==== Examples
         #   date = Date.new(2007, 11, 10)  # => Sat, 10 Nov 2007
         #
         #   date.to_datetime               # => Sat, 10 Nov 2007 00:00:00 0000

activesupport/lib/active_support/core_ext/date_time/conversions.rb

@@ -25,7 +25,7 @@ module ActiveSupport #:nodoc:
         # 
         # This method is aliased to <tt>to_s</tt>.
         # 
-        # === Examples:
+        # === Examples
         #   datetime = DateTime.civil(2007, 12, 4, 0, 0, 0, 0)   # => Tue, 04 Dec 2007 00:00:00 +0000
         # 
         #   datetime.to_formatted_s(:db)            # => "2007-12-04 00:00:00"

activesupport/lib/active_support/core_ext/hash/conversions.rb

@@ -75,7 +75,7 @@ module ActiveSupport #:nodoc:
         # Converts a hash into a string suitable for use as a URL query string. An optional <tt>namespace</tt> can be
         # passed to enclose the param names (see example below).
         #
-        # ==== Example:
+        # ==== Examples
         #   { :name => 'David', :nationality => 'Danish' }.to_query # => "name=David&nationality=Danish"
         #
         #   { :name => 'David', :nationality => 'Danish' }.to_query('user') # => "user%5Bname%5D=David&user%5Bnationality%5D=Danish"

activesupport/lib/active_support/core_ext/hash/keys.rb

@@ -38,7 +38,7 @@ module ActiveSupport #:nodoc:
         # Note that keys are NOT treated indifferently, meaning if you use strings for keys but assert symbols
         # as keys, this will fail.
         #
-        # ==== Examples:
+        # ==== Examples
         #   { :name => "Rob", :years => "28" }.assert_valid_keys(:name, :age) # => raises "ArgumentError: Unknown key(s): years"
         #   { :name => "Rob", :age => "28" }.assert_valid_keys("name", "age") # => raises "ArgumentError: Unknown key(s): name, age"
         #   { :name => "Rob", :age => "28" }.assert_valid_keys(:name, :age) # => passes, raises nothing

activesupport/lib/active_support/core_ext/range/conversions.rb

@@ -15,7 +15,7 @@ module ActiveSupport #:nodoc:
         end
         # Gives a human readable format of the range.
         #
-        # ==== Example: 
+        # ==== Example
         # 
         #   [1..100].to_formatted_s # => "1..100"
         def to_formatted_s(format = :default)

activesupport/lib/active_support/json/encoders/date.rb

@@ -2,7 +2,7 @@ class Date
   # Returns a JSON string representing the date. If ActiveSupport.use_standard_json_time_format is set to true, the
   # ISO 8601 format is used.
   #
-  # ==== Examples:
+  # ==== Examples
   #
   #   # With ActiveSupport.use_standard_json_time_format = true
   #   Date.new(2005,2,1).to_json

activesupport/lib/active_support/json/encoders/date_time.rb

@@ -2,7 +2,7 @@ class DateTime
   # Returns a JSON string representing the datetime. If ActiveSupport.use_standard_json_time_format is set to true, the
   # ISO 8601 format is used.
   #
-  # ==== Examples:
+  # ==== Examples
   #
   #   # With ActiveSupport.use_standard_json_time_format = true
   #   DateTime.civil(2005,2,1,15,15,10).to_json

activesupport/lib/active_support/json/encoders/time.rb

@@ -2,7 +2,7 @@ class Time
   # Returns a JSON string representing the time. If ActiveSupport.use_standard_json_time_format is set to true, the
   # ISO 8601 format is used.
   #
-  # ==== Examples:
+  # ==== Examples
   #
   #   # With ActiveSupport.use_standard_json_time_format = true
   #   Time.utc(2005,2,1,15,15,10).to_json

activesupport/lib/active_support/time_with_zone.rb

@@ -111,7 +111,7 @@ module ActiveSupport
     # Returns a JSON string representing the TimeWithZone. If ActiveSupport.use_standard_json_time_format is set to
     # true, the ISO 8601 format is used.
     #
-    # ==== Examples:
+    # ==== Examples
     #
     #   # With ActiveSupport.use_standard_json_time_format = true
     #   Time.utc(2005,2,1,15,15,10).in_time_zone.to_json