From dfe6ee6cd19f5f4af5884d290d5689ee98dd24ae Mon Sep 17 00:00:00 2001
From: Victoria Bialas <londoncalling@users.noreply.github.com>
Date: Mon, 6 Nov 2017 16:15:52 -0800
Subject: [PATCH] updated include file to use code fences (#5229)

Signed-off-by: Victoria Bialas <victoria.bialas@docker.com>
---
 _includes/content/compose-extfields-sub.md | 68 ++++++++++++----------
 1 file changed, 38 insertions(+), 30 deletions(-)

diff --git a/_includes/content/compose-extfields-sub.md b/_includes/content/compose-extfields-sub.md
index 1ae9d17f8b..e96c6c551f 100644
--- a/_includes/content/compose-extfields-sub.md
+++ b/_includes/content/compose-extfields-sub.md
@@ -2,28 +2,33 @@ It is possible to re-use configuration fragments using extension fields. Those
 special fields can be of any format as long as they are located at the root of
 your Compose file and their name start with the `x-` character sequence.
 
-    version: '2.1'
-    x-custom:
-      items:
-        - a
-        - b
-      options:
-        max-size: '12m'
-      name: "custom"
+```none
+version: '2.1'
+x-custom:
+  items:
+    - a
+    - b
+  options:
+    max-size: '12m'
+  name: "custom"
+```
 
 The contents of those fields will be ignored by Compose, but they can be
 inserted in your resource definitions using [YAML anchors](http://www.yaml.org/spec/1.2/spec.html#id2765878).
 For example, if you want several of your services to use the same logging
 configuration:
 
-    logging:
-      options:
-        max-size: '12m'
-        max-file: 5
-      driver: json-file
+```none
+logging:
+  options:
+    max-size: '12m'
+    max-file: 5
+  driver: json-file
+```
 
 You may write your Compose file as follows:
 
+```none
 version: '2.1'
 x-logging:
   &default-logging
@@ -39,25 +44,28 @@ services:
   db:
     image: mysql:latest
     logging: *default-logging
+```
 
 It is also possible to partially override values in extension fields using
 the [YAML merge type](http://yaml.org/type/merge.html). For example:
 
-    version: '2.1'
-    x-volumes:
-      &default-volume
-      driver: foobar-storage
+```none
+version: '2.1'
+x-volumes:
+  &default-volume
+  driver: foobar-storage
 
-    services:
-      web:
-        image: myapp/web:latest
-        volumes: ["vol1", "vol2", "vol3"]
-    volumes:
-      vol1: *default-volume
-      vol2:
-        << : *default-volume
-        name: volume02
-      vol3:
-        << : *default-volume
-        driver: default
-        name: volume-local
+services:
+  web:
+    image: myapp/web:latest
+    volumes: ["vol1", "vol2", "vol3"]
+volumes:
+  vol1: *default-volume
+  vol2:
+    << : *default-volume
+    name: volume02
+  vol3:
+    << : *default-volume
+    driver: default
+    name: volume-local
+```