5 files changed, 18 insertions, 5 deletions

diff --git a/docs/index.html b/docs/index.html
index 030c912..e151847 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -42,7 +42,7 @@
     <tr>
         <td class=table-post>
             <div class="date">
-                31/03 — 2021
+                01/04 — 2021
             </div>
             <a href="/posts/SDL2_devlog" class="post-link">
                 <span class="post-link">SDL2 Devlog</span>
diff --git a/docs/index.xml b/docs/index.xml
index 846bcbe..e13ccbb 100644
--- a/docs/index.xml
+++ b/docs/index.xml
@@ -27,6 +27,10 @@
 &lt;span id="cb2-6"&gt;&lt;a href="#cb2-6" aria-hidden="true"&gt;&lt;/a&gt;    ((&lt;span class="kw"&gt;eq?&lt;/span&gt; kind &amp;#39;l) (brush-line))&lt;/span&gt;
 &lt;span id="cb2-7"&gt;&lt;a href="#cb2-7" aria-hidden="true"&gt;&lt;/a&gt;    ((&lt;span class="kw"&gt;eq?&lt;/span&gt; kind &amp;#39;l+) (brush-line-extend))&lt;/span&gt;
 &lt;span id="cb2-8"&gt;&lt;a href="#cb2-8" aria-hidden="true"&gt;&lt;/a&gt;    (&lt;span class="kw"&gt;else&lt;/span&gt; (brush-circle))))&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/div&gt;
+&lt;p&gt;The following script draws a straight line along a given axis, at a given distance from the canvas boundary:&lt;/p&gt;
+&lt;figure&gt;
+&lt;video src="https://u.peppe.rs/b3i.mp4" controls=""&gt;&lt;a href="https://u.peppe.rs/b3i.mp4"&gt;Day 16&lt;/a&gt;&lt;/video&gt;&lt;figcaption aria-hidden="true"&gt;Day 16&lt;/figcaption&gt;
+&lt;/figure&gt;
 &lt;h3 id="day-15"&gt;Day 15&lt;/h3&gt;
 &lt;p&gt;I began writing a standard library for the lisp, in lisp. It includes basic list operations: &lt;code&gt;car&lt;/code&gt;, &lt;code&gt;cdr&lt;/code&gt;, &lt;code&gt;null?&lt;/code&gt;, &lt;code&gt;list&lt;/code&gt;, higher order functions: &lt;code&gt;map&lt;/code&gt;, &lt;code&gt;filter&lt;/code&gt;, &lt;code&gt;fold&lt;/code&gt;:&lt;/p&gt;
 &lt;div class="sourceCode" id="cb3"&gt;&lt;pre class="sourceCode lisp"&gt;&lt;code class="sourceCode commonlisp"&gt;&lt;span id="cb3-1"&gt;&lt;a href="#cb3-1" aria-hidden="true"&gt;&lt;/a&gt;(define (member? item ls)&lt;/span&gt;
@@ -109,7 +113,7 @@
 &lt;img src="https://u.peppe.rs/Ma.png" alt="Day 1" /&gt;&lt;figcaption aria-hidden="true"&gt;Day 1&lt;/figcaption&gt;
 &lt;/figure&gt;</description>
 <link>https://peppe.rs/posts/SDL2_devlog/</link>
-<pubDate>Wed, 31 Mar 2021 12:53:00 +0000</pubDate>
+<pubDate>Thu, 01 Apr 2021 04:11:00 +0000</pubDate>
 <guid>https://peppe.rs/posts/SDL2_devlog/</guid>
 </item>
 <item>
diff --git a/docs/posts/SDL2_devlog/index.html b/docs/posts/SDL2_devlog/index.html
index 9a324a8..80cb297 100644
--- a/docs/posts/SDL2_devlog/index.html
+++ b/docs/posts/SDL2_devlog/index.html
@@ -25,10 +25,10 @@
 ">View Raw</a>
           <div class="separator"></div>
           <div class="date">
-            31/03 — 2021
+            01/04 — 2021
             <div class="stats">
               <span class="stats-number">
-                91.51
+                93.51
               </span>
               <span class="stats-unit">cm</span>
               &nbsp
@@ -56,6 +56,10 @@
 <span id="cb2-6"><a href="#cb2-6" aria-hidden="true"></a>    ((<span class="kw">eq?</span> kind &#39;l) (brush-line))</span>
 <span id="cb2-7"><a href="#cb2-7" aria-hidden="true"></a>    ((<span class="kw">eq?</span> kind &#39;l+) (brush-line-extend))</span>
 <span id="cb2-8"><a href="#cb2-8" aria-hidden="true"></a>    (<span class="kw">else</span> (brush-circle))))</span></code></pre></div>
+<p>The following script draws a straight line along a given axis, at a given distance from the canvas boundary:</p>
+<figure>
+<video src="https://u.peppe.rs/b3i.mp4" controls=""><a href="https://u.peppe.rs/b3i.mp4">Day 16</a></video><figcaption aria-hidden="true">Day 16</figcaption>
+</figure>
 <h3 id="day-15">Day 15</h3>
 <p>I began writing a standard library for the lisp, in lisp. It includes basic list operations: <code>car</code>, <code>cdr</code>, <code>null?</code>, <code>list</code>, higher order functions: <code>map</code>, <code>filter</code>, <code>fold</code>:</p>
 <div class="sourceCode" id="cb3"><pre class="sourceCode lisp"><code class="sourceCode commonlisp"><span id="cb3-1"><a href="#cb3-1" aria-hidden="true"></a>(define (member? item ls)</span>
diff --git a/docs/posts/index.html b/docs/posts/index.html
index 206cab7..697b522 100644
--- a/docs/posts/index.html
+++ b/docs/posts/index.html
@@ -27,7 +27,7 @@
     <tr>
         <td class=table-post>
             <div class="date">
-                31/03 — 2021
+                01/04 — 2021
             </div>
             <a href="/posts/SDL2_devlog" class="post-link">
                 <span class="post-link">SDL2 Devlog</span>
diff --git a/posts/SDL2_devlog.md b/posts/SDL2_devlog.md
index 72aedef..991a246 100644
--- a/posts/SDL2_devlog.md
+++ b/posts/SDL2_devlog.md
@@ -29,6 +29,11 @@ Some aliases to switch between brushes:
     (else (brush-circle))))
 ```
 
+The following script draws a straight line along a given
+axis, at a given distance from the canvas boundary:
+
+![Day 16](https://u.peppe.rs/b3i.mp4)
+
 ### Day 15
 
 I began writing a standard library for the lisp, in lisp. It