Document some of the undocumented features

basics/introduction.md

@@ -68,3 +68,17 @@ You can read more about each type of tag in their respective sections.
 ```text
 {{ "/my/fancy/url" | append: ".html" }}
 ```
+
+Multiple filters can be used on one output. They are applied from left to right.
+
+<p class="code-label">Input</p>
+```liquid
+{% raw %}
+{{ "adam!" | capitalize | prepend: "Hello " }}
+{% endraw %}
+```
+
+<p class="code-label">Output</p>
+```text
+Hello Adam!
+```

tags/comments.md

@@ -0,0 +1,22 @@
+---
+title: Comments
+description: An overview of comments tags in the Liquid template language.
+---
+
+Allows you to leave un-rendered code inside a Liquid template. Any text within
+the opening and closing `comment` blocks will not be output, and any Liquid code
+within will not be executed.
+
+<p class="code-label">Input</p>
+```liquid
+{% raw %}
+Any contents that you put between {% comment %} and {% endcomment %} tags
+is turned into a comment.
+{% endraw %}
+```
+
+<p class="code-label">Output</p>
+```liquid
+Any contents that you put between {% comment %} and {% endcomment %} tags
+is turned into a comment.
+```

tags/raw.md

@@ -0,0 +1,22 @@
+---
+title: Raw
+description: An overview of raw tags in the Liquid template language.
+---
+
+Raw temporarily disables tag processing. This is useful for generating content
+(eg, Mustache, Handlebars) which uses conflicting syntax.
+
+<p class="code-label">Input</p>
+```text
+{% raw %}
+{% raw %}
+  In Handlebars, {{ this }} will be HTML-escaped, but {{{ that }}} will not.
+{% endraw % }
+{% endraw %}
+```
+
+<p class="code-label">Output</p>
+```liquid
+Any contents that you put between {% comment %} and {% endcomment %} tags
+is turned into a comment.
+```