Add list fragment shorthand

README.md

@@ -165,6 +165,16 @@ Fragments allow slide elements to come one by one. This is often used in lists t
 - come one by one <fragment/>
 ```
 
+Or, if you find it cleaner, like this:
+
+```markdown
+# Slide
+
++ This
++ will
++ come one by one
+```
+
 ### Slide backgrounds
 
 To modify the background of the current slide, **jekyll-reveal.js** simplifies the syntax to `<background>color</background>`:

_layouts/reveal.html

@@ -48,7 +48,34 @@
 				{% for post in site.posts reversed %}
 				<section data-markdown data-separator="^\n---\n$" data-separator-vertical="^\n--\n$" data-notes="^Note:">
 					<script type="text/template">
-						{{ post.content | replace:'<fragment/>','<!-- .element: class="fragment" -->' | replace:'<background>','<!-- .slide: data-background="' | replace:'</background>','" -->' | replace: '<backgroundimage>','<!-- .slide: data-background="' | replace: '</backgroundimage>','" --> ' | replace: '<backgroundimageopacity>','<!-- .slide: data-background-opacity="' | replace: '</backgroundimageopacity>','" -->' }}
+{%
+						assign lines = post.content | newline_to_br | strip_newlines | split: "<br />"
+%}{%
+						for line in lines
+%}{% 
+							assign processed_line = line
+								| replace:'<fragment/>','<!-- .element: class="fragment" -->'
+								| replace:'<background>','<!-- .slide: data-background="'
+								| replace:'</background>','" -->'
+								| replace:'<backgroundimage>','<!-- .slide: data-background="'
+								| replace:'</backgroundimage>','" --> '
+								| replace:'<backgroundimageopacity>','<!-- .slide: data-background-opacity="'
+								| replace:'</backgroundimageopacity>','" -->'
+%}{%
+							assign first_char = line
+								| slice: 0,1
+%}{%
+							if first_char == '+'
+%}{%
+								assign processed_line = processed_line
+									| replace_first: '+',''
+									| prepend: '+ <!-- .element: class="fragment" -->'
+%}{%
+							endif
+							%}{{ processed_line }}{% comment %}Following line break is important{% endcomment %}
+{%
+						endfor
+%}
 					</script>
 				</section>
 				{% endfor %}

_posts/0000-01-03-fragments.md

@@ -2,6 +2,9 @@
 
 It's also possible to do fragments.
 
-- You can use <fragment/> to step your list items
-- like <fragment/>
-- this <fragment/>
+- Start the line with ‘+’ instead of ‘-’ for your fragment item like this:  
+  `+ This is a fragment`
++ This is a fragment
++ Your fragment may contain the ‘+’ character
+
+<fragment/>You can use &lt;fragment/&gt; to step other content.