Fix code block indentation (#457)

(cherry picked from commit ce0fa18)

Author: Chris Cho

source/fundamentals/collations.txt

@@ -193,10 +193,10 @@ following documents:
 
 .. code-block:: none
 
-  { "_id" : 1, "first_name" : "Hans" }
-  { "_id" : 2, "first_name" : "Gunter" }
-  { "_id" : 3, "first_name" : "Günter" }
-  { "_id" : 4, "first_name" : "Jürgen" }
+   { "_id" : 1, "first_name" : "Hans" }
+   { "_id" : 2, "first_name" : "Gunter" }
+   { "_id" : 3, "first_name" : "Günter" }
+   { "_id" : 4, "first_name" : "Jürgen" }
 
 Consider the following ``findOneAndUpdate()`` operation on this collection
 which **does not** specify a collation:
@@ -229,9 +229,9 @@ the operation returns the following updated document:
 
 .. code-block:: none
 
-  { lastErrorObject: { updatedExisting: true, n: 1 },
-    value: { _id: 3, first_name: 'Günter' },
-    ok: 1 }
+   { lastErrorObject: { updatedExisting: true, n: 1 },
+     value: { _id: 3, first_name: 'Günter' },
+     ok: 1 }
 
 findOneAndDelete() Example
 ``````````````````````````
@@ -242,9 +242,9 @@ documents:
 
 .. code-block:: none
 
-  { "_id" : 1, "a" : "16" }
-  { "_id" : 2, "a" : "84" }
-  { "_id" : 3, "a" : "179" }
+   { "_id" : 1, "a" : "16" }
+   { "_id" : 2, "a" : "84" }
+   { "_id" : 3, "a" : "179" }
 
 In this example, we set the ``numericOrdering`` collation parameter to ``true``
 to sort numeric strings based on their numerical order instead of their
@@ -260,8 +260,8 @@ documents:
 
 .. code-block:: none
 
-  { "_id" : 1, "a" : "16" }
-  { "_id" : 2, "a" : "84" }
+   { "_id" : 1, "a" : "16" }
+   { "_id" : 2, "a" : "84" }
 
 If you perform the same operation without collation on the original
 collection of three documents, it matches documents based on the lexical value
@@ -280,8 +280,8 @@ contains the following documents:
 
 .. code-block:: none
 
-   { "_id" : 2, "a" : "84" }
-   { "_id" : 3, "a" : "179" }
+    { "_id" : 2, "a" : "84" }
+    { "_id" : 3, "a" : "179" }
 
 Aggregation Example
 ```````````````````

source/fundamentals/crud/query-document.txt

@@ -148,19 +148,19 @@ This code snippet returns the following results:
 
   .. code-block:: javascript
 
-    collection.find({
-      rating: { $eq: 5 },
-      qty: { $gt: 4 }
-    })
+     collection.find({
+       rating: { $eq: 5 },
+       qty: { $gt: 4 }
+     })
 
   .. code-block:: javascript
 
-    collection.find({
-      $and: [
-         { rating: { $eq: 5 }},
-         { qty: { $gt: 4 }}
-      ]
-    })
+     collection.find({
+       $and: [
+          { rating: { $eq: 5 }},
+          { qty: { $gt: 4 }}
+       ]
+     })
 
 For more information on comparison operators, see the reference manual
 entry for :manual:`Comparison Query Operators </reference/operator/query-comparison/>`.

source/fundamentals/logging.txt

@@ -84,17 +84,16 @@ apply a filter to log messages from the ``Db`` class only.
 
 .. code-block:: js
 
-     // Set debug level
-     Logger.setLevel("debug");
+   // Set debug level
+   Logger.setLevel("debug");
 
-     // Only log statements on "Db" class
-     Logger.filter("class", ["Db"]);
+   // Only log statements on "Db" class
+   Logger.filter("class", ["Db"]);
 
-     const db = client.db("sample_mflix");
+   const db = client.db("sample_mflix");
 
-     // Execute command { hello: 1 } against db
-     await db.command({ hello: 1 });
-   }
+   // Execute command { hello: 1 } against db
+   await db.command({ hello: 1 });
 
 The logger output of the code above is similar to the prior example, but
 excludes logging from classes other than ``Db`` such as ``Server`` and

source/quick-start.txt

@@ -168,35 +168,35 @@ application.
 
       .. code-block:: js
 
-        const { MongoClient } = require("mongodb");
-
-        // Replace the uri string with your connection string.
-        const uri =
-          "mongodb+srv://<user>:<password>@<cluster-url>?retryWrites=true&writeConcern=majority";
-
-        const client = new MongoClient(uri, {
-          useNewUrlParser: true,
-          useUnifiedTopology: true,
-        });
-
-        async function run() {
-          try {
-            await client.connect();
-
-            const database = client.db('sample_mflix');
-            const movies = database.collection('movies');
-
-            // Query for a movie that has the title 'Back to the Future'
-            const query = { title: 'Back to the Future' };
-            const movie = await movies.findOne(query);
-
-            console.log(movie);
-          } finally {
-            // Ensures that the client will close when you finish/error
-            await client.close();
-          }
-        }
-        run().catch(console.dir);
+         const { MongoClient } = require("mongodb");
+
+         // Replace the uri string with your connection string.
+         const uri =
+           "mongodb+srv://<user>:<password>@<cluster-url>?retryWrites=true&writeConcern=majority";
+
+         const client = new MongoClient(uri, {
+           useNewUrlParser: true,
+           useUnifiedTopology: true,
+         });
+
+         async function run() {
+           try {
+             await client.connect();
+
+             const database = client.db('sample_mflix');
+             const movies = database.collection('movies');
+
+             // Query for a movie that has the title 'Back to the Future'
+             const query = { title: 'Back to the Future' };
+             const movie = await movies.findOne(query);
+
+             console.log(movie);
+           } finally {
+             // Ensures that the client will close when you finish/error
+             await client.close();
+           }
+         }
+         run().catch(console.dir);
 
       .. tip::