Add check to only show readme link when there is additional post cont…

…ent not shown on index page. Handles truncate words problems with Chinese and Japanese characters by checking for a manual break using the site excerpt separator. (daattali#110)

_config.yml

@@ -81,6 +81,8 @@ share-links-active:
 url-pretty: "MyWebsite.com"  # eg. "deanattali.com/beautiful-jekyll"
 
 # --- Misc --- #
+# Manually break the site excerpt
+excerpt_separator: <!--read more-->
 
 # Fill in your Disqus shortname (NOT the userid) if you want to support Disqus comments
 #disqus: ""

index.html

@@ -22,8 +22,19 @@ <h3 class="post-subtitle">
     </p>
 
     <div class="post-entry">
-      {{ post.excerpt | strip_html | xml_escape | truncatewords: 50 }}
-	  <a href="{{ post.url | prepend: site.baseurl }}" class="post-read-more">[Read&nbsp;More]</a>
+      {% if post.content contains site.excerpt_separator %}
+        {{ post.excerpt | strip_html | xml_escape }}
+        <a href="{{ post.url | prepend: site.baseurl }}" class="post-read-more">[Read&nbsp;More]</a>
+      {% else %}
+        {% assign cleaned_content = post.content | strip_html | xml_escape %}
+        {% assign truncated_content = cleaned_content | truncatewords: 50 %}
+        {% if truncated_content == cleaned_content %}
+          {{ cleaned_content }}
+        {% else %}
+          {{ truncated_content }}
+          <a href="{{ post.url | prepend: site.baseurl }}" class="post-read-more">[Read&nbsp;More]</a>
+        {% endif%}
+      {% endif %}
     </div>
 
     {% if post.tags.size > 0 %}