Fix RUBY-2297 Broken formatting in BSON documentation (#211)

* test changes

* changes

* fix whitespace issues

* fix extra grey bar

Co-authored-by: Grace Chong <[email protected]>

Author: gjchong25

docs/tutorials/bson-v4.txt

@@ -270,7 +270,7 @@ The data and the subtype can be retrieved from ``Binary`` instances using
   was in:
 
   .. code-block:: ruby
-    
+
     str = "binary_string"
     str.encoding
     # => #<Encoding:US-ASCII>
@@ -343,10 +343,10 @@ cannot be stringified without specifying a representation.
 
   binary = BSON::Binary.new("\x00\x11\x22\x33\x44\x55\x66\x77\x88\x99\xAA\xBB\xCC\xDD\xEE\xFF".force_encoding('BINARY'), :uuid_old)
   => <BSON::Binary:0x46942046606480 type=uuid data=0x0011223344556677...>
-  
+
   binary.to_uuid
   # => ArgumentError (Representation must be specified for BSON::Binary objects of type :uuid_old)
-  
+
   binary.to_uuid(:csharp_legacy)
   # => "33221100-5544-7766-8899aabbccddeeff"
 
@@ -362,13 +362,13 @@ UUID, use the ``from_uuid`` method specifying the desired representation:
 .. code-block:: ruby
 
   uuid_str = "00112233-4455-6677-8899-aabbccddeeff"
-  
+
   BSON::Binary.from_uuid(uuid_str, :csharp_legacy)
   # => <BSON::Binary:0x46986653650480 type=uuid_old data=0x3322110055447766...>
 
   BSON::Binary.from_uuid(uuid_str, :java_legacy)
   # => <BSON::Binary:0x46986653663960 type=uuid_old data=0x7766554433221100...>
-  
+
   BSON::Binary.from_uuid(uuid_str, :python_legacy)
   # => <BSON::Binary:0x46986653686300 type=uuid_old data=0x0011223344556677...>
 
@@ -485,17 +485,17 @@ strings to be used instead.
   stringified when used as hash keys:
 
   .. code-block:: ruby
-  
-  Hash.from_bson({foo: 'bar'}.to_bson)
-  # => {"foo"=>"bar"}
-  
-  Hash.from_bson({1 => 2}.to_bson)
-  # => {"1"=>2}
+
+    Hash.from_bson({foo: 'bar'}.to_bson)
+    # => {"foo"=>"bar"}
+
+    Hash.from_bson({1 => 2}.to_bson)
+    # => {"1"=>2}
 
 By default, the BSON library encodes ``Symbol`` hash values as strings and
 decodes BSON symbols into Ruby ``Symbol`` values:
 
-  .. code-block:: ruby
+.. code-block:: ruby
 
   {foo: :bar}.to_bson.to_s
   # => "\x12\x00\x00\x00\x02foo\x00\x04\x00\x00\x00bar\x00\x00"
@@ -511,7 +511,7 @@ decodes BSON symbols into Ruby ``Symbol`` values:
 To force encoding of Ruby symbols to BSON symbols, wrap the Ruby symbols in
 ``BSON::Symbol::Raw``:
 
-  .. code-block:: ruby
+.. code-block:: ruby
 
   {foo: BSON::Symbol::Raw.new(:bar)}.to_bson.to_s
   # => "\x12\x00\x00\x00\x0Efoo\x00\x04\x00\x00\x00bar\x00\x00"
@@ -571,11 +571,11 @@ millisecond.
 
   .. code-block:: ruby
 
-  time = Time.utc(1960, 1, 1, 0, 0, 0, 999_999)
-  time.to_f
-  # => -315619199.000001
-  time.floor(3).to_f
-  # => -315619199.001
+    time = Time.utc(1960, 1, 1, 0, 0, 0, 999_999)
+    time.to_f
+    # => -315619199.000001
+    time.floor(3).to_f
+    # => -315619199.001
 
 .. note::