kmx.io/prism.js

diff --git a/components/prism-core.js b/components/prism-core.js
index 2be3562..9f82910 100644
--- a/components/prism-core.js
+++ b/components/prism-core.js
@@ -455,7 +455,8 @@ var _ = {
 	 *
 	 * The following hooks will be run:
 	 * 1. `before-highlightall`
-	 * 2. All hooks of {@link Prism.highlightElement} for each element.
+	 * 2. `before-all-elements-highlight`
+	 * 3. All hooks of {@link Prism.highlightElement} for each element.
 	 *
 	 * @param {ParentNode} container The root element, whose descendants that have a `.language-xxxx` class will be highlighted.
 	 * @param {boolean} [async=false] Whether each element is to be highlighted asynchronously using Web Workers.
@@ -487,11 +488,14 @@ var _ = {
 	 * The following hooks will be run:
 	 * 1. `before-sanity-check`
 	 * 2. `before-highlight`
-	 * 3. All hooks of {@link Prism.highlight}. These hooks will only be run by the current worker if `async` is `true`.
+	 * 3. All hooks of {@link Prism.highlight}. These hooks will be run by an asynchronous worker if `async` is `true`.
 	 * 4. `before-insert`
 	 * 5. `after-highlight`
 	 * 6. `complete`
 	 *
+	 * Some the above hooks will be skipped if the element doesn't contain any text or there is no grammar loaded for
+	 * the element's language.
+	 *
 	 * @param {Element} element The element containing the code.
 	 * It must have a class of `language-xxxx` to be processed, where `xxxx` is a valid language identifier.
 	 * @param {boolean} [async=false] Whether the element is to be highlighted asynchronously using Web Workers
diff --git a/docs/Prism.hooks.html b/docs/Prism.hooks.html
index a3528fe..28f00aa 100644
--- a/docs/Prism.hooks.html
+++ b/docs/Prism.hooks.html
@@ -73,7 +73,7 @@
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line656">line 656</a>
+        <a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line660">line 660</a>
     </li></ul></dd>
     
 
@@ -152,7 +152,7 @@
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line671">line 671</a>
+        <a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line675">line 675</a>
     </li></ul></dd>
     
 
@@ -314,7 +314,7 @@ Hooks are usually directly run by a highlight function but you can also run hook
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line688">line 688</a>
+        <a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line692">line 692</a>
     </li></ul></dd>
     
 
diff --git a/docs/Prism.html b/docs/Prism.html
index 0744baa..c1a9a50 100644
--- a/docs/Prism.html
+++ b/docs/Prism.html
@@ -263,7 +263,7 @@ Prism.manual = true;
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line597">line 597</a>
+        <a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line601">line 601</a>
     </li></ul></dd>
     
 
@@ -676,7 +676,7 @@ each one of them.</p>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line466">line 466</a>
+        <a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line467">line 467</a>
     </li></ul></dd>
     
 
@@ -721,6 +721,7 @@ each one of them.</p>
 <p>The following hooks will be run:</p>
 <ol>
 <li><code>before-highlightall</code></li>
+<li><code>before-all-elements-highlight</code></li>
 <li>All hooks of <a href="Prism.html#.highlightElement"><code>Prism.highlightElement</code></a> for each element.</li>
 </ol>
 </div>
@@ -910,7 +911,7 @@ each one of them.</p>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line509">line 509</a>
+        <a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line513">line 513</a>
     </li></ul></dd>
     
 
@@ -955,11 +956,13 @@ each one of them.</p>
 <ol>
 <li><code>before-sanity-check</code></li>
 <li><code>before-highlight</code></li>
-<li>All hooks of <a href="Prism.html#.highlight"><code>Prism.highlight</code></a>. These hooks will only be run by the current worker if <code>async</code> is <code>true</code>.</li>
+<li>All hooks of <a href="Prism.html#.highlight"><code>Prism.highlight</code></a>. These hooks will be run by an asynchronous worker if <code>async</code> is <code>true</code>.</li>
 <li><code>before-insert</code></li>
 <li><code>after-highlight</code></li>
 <li><code>complete</code></li>
 </ol>
+<p>Some the above hooks will be skipped if the element doesn't contain any text or there is no grammar loaded for
+the element's language.</p>
 </div>
 
 
@@ -1154,7 +1157,7 @@ Mostly useful when <code>async</code> is <code>true</code>, since in that case, 
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line633">line 633</a>
+        <a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line637">line 637</a>
     </li></ul></dd>
     
 
diff --git a/docs/Token.html b/docs/Token.html
index 4443776..44e767d 100644
--- a/docs/Token.html
+++ b/docs/Token.html
@@ -80,7 +80,7 @@
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line722">line 722</a>
+        <a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line726">line 726</a>
     </li></ul></dd>
     
 
@@ -364,7 +364,7 @@
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line749">line 749</a>
+        <a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line753">line 753</a>
     </li></ul></dd>
     
 
@@ -447,7 +447,7 @@
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line741">line 741</a>
+        <a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line745">line 745</a>
     </li></ul></dd>
     
 
@@ -524,7 +524,7 @@
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line732">line 732</a>
+        <a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line736">line 736</a>
     </li></ul></dd>
     
 
diff --git a/docs/global.html b/docs/global.html
index 478976c..3801628 100644
--- a/docs/global.html
+++ b/docs/global.html
@@ -143,7 +143,7 @@
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line1157">line 1157</a>
+        <a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line1161">line 1161</a>
     </li></ul></dd>
     
 
@@ -274,7 +274,7 @@
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line1136">line 1136</a>
+        <a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line1140">line 1140</a>
     </li></ul></dd>
     
 
@@ -559,7 +559,7 @@ each another.</p></td>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line1165">line 1165</a>
+        <a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line1169">line 1169</a>
     </li></ul></dd>
     
 
@@ -713,7 +713,7 @@ each another.</p></td>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line1175">line 1175</a>
+        <a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line1179">line 1179</a>
     </li></ul></dd>
     
 
@@ -859,7 +859,7 @@ each another.</p></td>
     
     <dt class="tag-source">Source:</dt>
     <dd class="tag-source"><ul class="dummy"><li>
-        <a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line754">line 754</a>
+        <a href="prism-core.js.html">prism-core.js</a>, <a href="prism-core.js.html#line758">line 758</a>
     </li></ul></dd>
     
 
diff --git a/docs/prism-core.js.html b/docs/prism-core.js.html
index 644beff..fed9633 100644
--- a/docs/prism-core.js.html
+++ b/docs/prism-core.js.html
@@ -508,7 +508,8 @@ var _ = {
 	 *
 	 * The following hooks will be run:
 	 * 1. `before-highlightall`
-	 * 2. All hooks of {@link Prism.highlightElement} for each element.
+	 * 2. `before-all-elements-highlight`
+	 * 3. All hooks of {@link Prism.highlightElement} for each element.
 	 *
 	 * @param {ParentNode} container The root element, whose descendants that have a `.language-xxxx` class will be highlighted.
 	 * @param {boolean} [async=false] Whether each element is to be highlighted asynchronously using Web Workers.
@@ -540,11 +541,14 @@ var _ = {
 	 * The following hooks will be run:
 	 * 1. `before-sanity-check`
 	 * 2. `before-highlight`
-	 * 3. All hooks of {@link Prism.highlight}. These hooks will only be run by the current worker if `async` is `true`.
+	 * 3. All hooks of {@link Prism.highlight}. These hooks will be run by an asynchronous worker if `async` is `true`.
 	 * 4. `before-insert`
 	 * 5. `after-highlight`
 	 * 6. `complete`
 	 *
+	 * Some the above hooks will be skipped if the element doesn't contain any text or there is no grammar loaded for
+	 * the element's language.
+	 *
 	 * @param {Element} element The element containing the code.
 	 * It must have a class of `language-xxxx` to be processed, where `xxxx` is a valid language identifier.
 	 * @param {boolean} [async=false] Whether the element is to be highlighted asynchronously using Web Workers
diff --git a/prism.js b/prism.js
index 4eebe7d..c4e6e24 100644
--- a/prism.js
+++ b/prism.js
@@ -460,7 +460,8 @@ var _ = {
 	 *
 	 * The following hooks will be run:
 	 * 1. `before-highlightall`
-	 * 2. All hooks of {@link Prism.highlightElement} for each element.
+	 * 2. `before-all-elements-highlight`
+	 * 3. All hooks of {@link Prism.highlightElement} for each element.
 	 *
 	 * @param {ParentNode} container The root element, whose descendants that have a `.language-xxxx` class will be highlighted.
 	 * @param {boolean} [async=false] Whether each element is to be highlighted asynchronously using Web Workers.
@@ -492,11 +493,14 @@ var _ = {
 	 * The following hooks will be run:
 	 * 1. `before-sanity-check`
 	 * 2. `before-highlight`
-	 * 3. All hooks of {@link Prism.highlight}. These hooks will only be run by the current worker if `async` is `true`.
+	 * 3. All hooks of {@link Prism.highlight}. These hooks will be run by an asynchronous worker if `async` is `true`.
 	 * 4. `before-insert`
 	 * 5. `after-highlight`
 	 * 6. `complete`
 	 *
+	 * Some the above hooks will be skipped if the element doesn't contain any text or there is no grammar loaded for
+	 * the element's language.
+	 *
 	 * @param {Element} element The element containing the code.
 	 * It must have a class of `language-xxxx` to be processed, where `xxxx` is a valid language identifier.
 	 * @param {boolean} [async=false] Whether the element is to be highlighted asynchronously using Web Workers