Auto-format (related to #383)

README.md

@@ -72,11 +72,11 @@ docker run --rm -p 1948:1948 -p 35729:35729 -v <path-to-your-slides>:/slides web
 The Markdown feature of reveal.js is awesome, and has an easy (and configurable) syntax to separate slides. Use three
 dashes surrounded by two blank lines (`\n---\n`). Example:
 
-~~~mkdn
+```mkdn
 # Title
 
-* Point 1
-* Point 2
+- Point 1
+- Point 2
 
 ---
 
@@ -85,7 +85,7 @@ dashes surrounded by two blank lines (`\n---\n`). Example:
 > Best quote ever.
 
 Note: speaker notes FTW!
-~~~
+```
 
 ### Theme
 
@@ -140,18 +140,19 @@ add an HTML `id` attribute to a specific slide and style it with CSS.
 
 Example: set the second slide to have a PNG image as background:
 
-~~~mkdn
+```mkdn
 # slide1
 
 This slide has no background image.
 
 ---
 
 <!-- .slide: data-background="./image1.png" -->
+
 # slide2
 
 This one does!
-~~~
+```
 
 ### reveal-md Options
 
@@ -185,7 +186,7 @@ Use the [speaker notes][38] feature by using a line starting with `Note:`.
 
 Set Markdown (and reveal.js) options specific to a presentation with YAML front matter:
 
-~~~mkdn
+```mkdn
 ---
 title: Foobar
 separator: <!--s-->
@@ -204,7 +205,7 @@ Note: test note
 # Bar
 
 <!--v-->
-~~~
+```
 
 ### Live Reload