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diff --git a/docs/en/cowboy/2.4/guide/req_body/index.html b/docs/en/cowboy/2.4/guide/req_body/index.html
index 3ced946f..1f642ae1 100644
--- a/docs/en/cowboy/2.4/guide/req_body/index.html
+++ b/docs/en/cowboy/2.4/guide/req_body/index.html
@@ -62,144 +62,93 @@
 
 <h1 class="lined-header"><span>Reading the request body</span></h1>
 
-<div class="paragraph"><p>The request body can be read using the Req object.</p></div>
-<div class="paragraph"><p>Cowboy will not attempt to read the body until requested.
-You need to call the body reading functions in order to
-retrieve it.</p></div>
-<div class="paragraph"><p>Cowboy will not cache the body, it is therefore only
-possible to read it once.</p></div>
-<div class="paragraph"><p>You are not required to read it, however. If a body is
-present and was not read, Cowboy will either cancel or
-skip its download, depending on the protocol.</p></div>
-<div class="paragraph"><p>Cowboy provides functions for reading the body raw,
-and read and parse form urlencoded or <a href="../multipart">multipart bodies</a>.
-The latter is covered in its own chapter.</p></div>
-<div class="sect1">
+<p>The request body can be read using the Req object.</p>
+<p>Cowboy will not attempt to read the body until requested. You need to call the body reading functions in order to retrieve it.</p>
+<p>Cowboy will not cache the body, it is therefore only possible to read it once.</p>
+<p>You are not required to read it, however. If a body is present and was not read, Cowboy will either cancel or skip its download, depending on the protocol.</p>
+<p>Cowboy provides functions for reading the body raw, and read and parse form urlencoded or <a href="../multipart">multipart bodies</a>. The latter is covered in its own chapter.</p>
 <h2 id="_request_body_presence">Request body presence</h2>
-<div class="sectionbody">
-<div class="paragraph"><p>Not all requests come with a body. You can check for
-the presence of a request body with this function:</p></div>
-<div class="listingblock">
-<div class="content"><!-- Generator: GNU source-highlight
+<p>Not all requests come with a body. You can check for the presence of a request body with this function:</p>
+<div class="listingblock"><div class="content"><!-- Generator: GNU source-highlight 3.1.8
 by Lorenzo Bettini
 http://www.lorenzobettini.it
 http://www.gnu.org/software/src-highlite -->
-<pre><tt><span style="font-weight: bold"><span style="color: #000000">cowboy_req:has_body</span></span>(<span style="color: #009900">Req</span>)<span style="color: #990000">.</span></tt></pre></div></div>
-<div class="paragraph"><p>It returns <code>true</code> if there is a body; <code>false</code> otherwise.</p></div>
-<div class="paragraph"><p>In practice, this function is rarely used. When the
-method is <code>POST</code>, <code>PUT</code> or <code>PATCH</code>, the request body
-is often required by the application, which should
-just attempt to read it directly.</p></div>
-</div>
-</div>
-<div class="sect1">
+<pre><tt><b><font color="#000000">cowboy_req:has_body</font></b>(<font color="#009900">Req</font>)<font color="#990000">.</font></tt></pre>
+</div></div>
+<p>It returns <code>true</code> if there is a body; <code>false</code> otherwise.</p>
+<p>In practice, this function is rarely used. When the method is <code>POST</code>, <code>PUT</code> or <code>PATCH</code>, the request body is often required by the application, which should just attempt to read it directly.</p>
 <h2 id="_request_body_length">Request body length</h2>
-<div class="sectionbody">
-<div class="paragraph"><p>You can obtain the length of the body:</p></div>
-<div class="listingblock">
-<div class="content"><!-- Generator: GNU source-highlight
+<p>You can obtain the length of the body:</p>
+<div class="listingblock"><div class="content"><!-- Generator: GNU source-highlight 3.1.8
 by Lorenzo Bettini
 http://www.lorenzobettini.it
 http://www.gnu.org/software/src-highlite -->
-<pre><tt><span style="color: #009900">Length</span> <span style="color: #990000">=</span> <span style="font-weight: bold"><span style="color: #000000">cowboy_req:body_length</span></span>(<span style="color: #009900">Req</span>)<span style="color: #990000">.</span></tt></pre></div></div>
-<div class="paragraph"><p>Note that the length may not be known in advance. In
-that case <code>undefined</code> will be returned. This can happen
-with HTTP/1.1&#8217;s chunked transfer-encoding, or HTTP/2
-when no content-length was provided.</p></div>
-<div class="paragraph"><p>Cowboy will update the body length in the Req object
-once the body has been read completely. A length will
-always be returned when attempting to call this function
-after reading the body completely.</p></div>
-</div>
-</div>
-<div class="sect1">
+<pre><tt><font color="#009900">Length</font> <font color="#990000">=</font> <b><font color="#000000">cowboy_req:body_length</font></b>(<font color="#009900">Req</font>)<font color="#990000">.</font></tt></pre>
+</div></div>
+<p>Note that the length may not be known in advance. In that case <code>undefined</code> will be returned. This can happen with HTTP/1.1&apos;s chunked transfer-encoding, or HTTP/2 when no content-length was provided.</p>
+<p>Cowboy will update the body length in the Req object once the body has been read completely. A length will always be returned when attempting to call this function after reading the body completely.</p>
 <h2 id="_reading_the_body">Reading the body</h2>
-<div class="sectionbody">
-<div class="paragraph"><p>You can read the entire body with one function call:</p></div>
-<div class="listingblock">
-<div class="content"><!-- Generator: GNU source-highlight
+<p>You can read the entire body with one function call:</p>
+<div class="listingblock"><div class="content"><!-- Generator: GNU source-highlight 3.1.8
 by Lorenzo Bettini
 http://www.lorenzobettini.it
 http://www.gnu.org/software/src-highlite -->
-<pre><tt>{<span style="color: #FF6600">ok</span>, <span style="color: #009900">Data</span>, <span style="color: #009900">Req</span>} <span style="color: #990000">=</span> <span style="font-weight: bold"><span style="color: #000000">cowboy_req:read_body</span></span>(<span style="color: #009900">Req0</span>)<span style="color: #990000">.</span></tt></pre></div></div>
-<div class="paragraph"><p>Cowboy returns an <code>ok</code> tuple when the body has been
-read fully.</p></div>
-<div class="paragraph"><p>By default, Cowboy will attempt to read up to 8MB
-of data, for up to 15 seconds. The call will return
-once Cowboy has read at least 8MB of data, or at
-the end of the 15 seconds period.</p></div>
-<div class="paragraph"><p>These values can be customized. For example, to read
-only up to 1MB for up to 5 seconds:</p></div>
-<div class="listingblock">
-<div class="content"><!-- Generator: GNU source-highlight
+<pre><tt>{<font color="#FF6600">ok</font>, <font color="#009900">Data</font>, <font color="#009900">Req</font>} <font color="#990000">=</font> <b><font color="#000000">cowboy_req:read_body</font></b>(<font color="#009900">Req0</font>)<font color="#990000">.</font></tt></pre>
+</div></div>
+<p>Cowboy returns an <code>ok</code> tuple when the body has been read fully.</p>
+<p>By default, Cowboy will attempt to read up to 8MB of data, for up to 15 seconds. The call will return once Cowboy has read at least 8MB of data, or at the end of the 15 seconds period.</p>
+<p>These values can be customized. For example, to read only up to 1MB for up to 5 seconds:</p>
+<div class="listingblock"><div class="content"><!-- Generator: GNU source-highlight 3.1.8
 by Lorenzo Bettini
 http://www.lorenzobettini.it
 http://www.gnu.org/software/src-highlite -->
-<pre><tt>{<span style="color: #FF6600">ok</span>, <span style="color: #009900">Data</span>, <span style="color: #009900">Req</span>} <span style="color: #990000">=</span> <span style="font-weight: bold"><span style="color: #000000">cowboy_req:read_body</span></span>(<span style="color: #009900">Req0</span>,
-    #{<span style="font-weight: bold"><span style="color: #000080">length</span></span> <span style="color: #990000">=&gt;</span> <span style="color: #993399">1000000</span>, <span style="color: #0000FF">period</span> <span style="color: #990000">=&gt;</span> <span style="color: #993399">5000</span>})<span style="color: #990000">.</span></tt></pre></div></div>
-<div class="paragraph"><p>You may also disable the length limit:</p></div>
-<div class="listingblock">
-<div class="content"><!-- Generator: GNU source-highlight
+<pre><tt>{<font color="#FF6600">ok</font>, <font color="#009900">Data</font>, <font color="#009900">Req</font>} <font color="#990000">=</font> <b><font color="#000000">cowboy_req:read_body</font></b>(<font color="#009900">Req0</font>,
+    #{<b><font color="#000080">length</font></b> <font color="#990000">=&gt;</font> <font color="#993399">1000000</font>, <font color="#0000FF">period</font> <font color="#990000">=&gt;</font> <font color="#993399">5000</font>})<font color="#990000">.</font></tt></pre>
+</div></div>
+<p>You may also disable the length limit:</p>
+<div class="listingblock"><div class="content"><!-- Generator: GNU source-highlight 3.1.8
 by Lorenzo Bettini
 http://www.lorenzobettini.it
 http://www.gnu.org/software/src-highlite -->
-<pre><tt>{<span style="color: #FF6600">ok</span>, <span style="color: #009900">Data</span>, <span style="color: #009900">Req</span>} <span style="color: #990000">=</span> <span style="font-weight: bold"><span style="color: #000000">cowboy_req:read_body</span></span>(<span style="color: #009900">Req0</span>, #{<span style="font-weight: bold"><span style="color: #000080">length</span></span> <span style="color: #990000">=&gt;</span> <span style="color: #FF6600">infinity</span>})<span style="color: #990000">.</span></tt></pre></div></div>
-<div class="paragraph"><p>This makes the function wait 15 seconds and return with
-whatever arrived during that period. This is not
-recommended for public facing applications.</p></div>
-<div class="paragraph"><p>These two options can effectively be used to control
-the rate of transmission of the request body.</p></div>
-</div>
-</div>
-<div class="sect1">
+<pre><tt>{<font color="#FF6600">ok</font>, <font color="#009900">Data</font>, <font color="#009900">Req</font>} <font color="#990000">=</font> <b><font color="#000000">cowboy_req:read_body</font></b>(<font color="#009900">Req0</font>, #{<b><font color="#000080">length</font></b> <font color="#990000">=&gt;</font> <font color="#FF6600">infinity</font>})<font color="#990000">.</font></tt></pre>
+</div></div>
+<p>This makes the function wait 15 seconds and return with whatever arrived during that period. This is not recommended for public facing applications.</p>
+<p>These two options can effectively be used to control the rate of transmission of the request body.</p>
 <h2 id="_streaming_the_body">Streaming the body</h2>
-<div class="sectionbody">
-<div class="paragraph"><p>When the body is too large, the first call will return
-a <code>more</code> tuple instead of <code>ok</code>. You can call the
-function again to read more of the body, reading
-it one chunk at a time.</p></div>
-<div class="listingblock">
-<div class="content"><!-- Generator: GNU source-highlight
+<p>When the body is too large, the first call will return a <code>more</code> tuple instead of <code>ok</code>. You can call the function again to read more of the body, reading it one chunk at a time.</p>
+<div class="listingblock"><div class="content"><!-- Generator: GNU source-highlight 3.1.8
 by Lorenzo Bettini
 http://www.lorenzobettini.it
 http://www.gnu.org/software/src-highlite -->
-<pre><tt><span style="font-weight: bold"><span style="color: #000000">read_body_to_console</span></span>(<span style="color: #009900">Req0</span>) <span style="color: #990000">-&gt;</span>
-    <span style="font-weight: bold"><span style="color: #0000FF">case</span></span> <span style="font-weight: bold"><span style="color: #000000">cowboy_req:read_body</span></span>(<span style="color: #009900">Req0</span>) <span style="font-weight: bold"><span style="color: #0000FF">of</span></span>
-        {<span style="color: #FF6600">ok</span>, <span style="color: #009900">Data</span>, <span style="color: #009900">Req</span>} <span style="color: #990000">-&gt;</span>
-            <span style="font-weight: bold"><span style="color: #000000">io:format</span></span>(<span style="color: #FF0000">"~s"</span>, [<span style="color: #009900">Data</span>]),
-            <span style="color: #009900">Req</span>;
-        {<span style="color: #FF6600">more</span>, <span style="color: #009900">Data</span>, <span style="color: #009900">Req</span>} <span style="color: #990000">-&gt;</span>
-            <span style="font-weight: bold"><span style="color: #000000">io:format</span></span>(<span style="color: #FF0000">"~s"</span>, [<span style="color: #009900">Data</span>]),
-            <span style="font-weight: bold"><span style="color: #000000">read_body_to_console</span></span>(<span style="color: #009900">Req</span>)
-    <span style="font-weight: bold"><span style="color: #0000FF">end</span></span><span style="color: #990000">.</span></tt></pre></div></div>
-<div class="paragraph"><p>The <code>length</code> and <code>period</code> options can also be used.
-They need to be passed for every call.</p></div>
-</div>
-</div>
-<div class="sect1">
+<pre><tt><b><font color="#000000">read_body_to_console</font></b>(<font color="#009900">Req0</font>) <font color="#990000">-&gt;</font>
+    <b><font color="#0000FF">case</font></b> <b><font color="#000000">cowboy_req:read_body</font></b>(<font color="#009900">Req0</font>) <b><font color="#0000FF">of</font></b>
+        {<font color="#FF6600">ok</font>, <font color="#009900">Data</font>, <font color="#009900">Req</font>} <font color="#990000">-&gt;</font>
+            <b><font color="#000000">io:format</font></b>(<font color="#FF0000">"~s"</font>, [<font color="#009900">Data</font>]),
+            <font color="#009900">Req</font>;
+        {<font color="#FF6600">more</font>, <font color="#009900">Data</font>, <font color="#009900">Req</font>} <font color="#990000">-&gt;</font>
+            <b><font color="#000000">io:format</font></b>(<font color="#FF0000">"~s"</font>, [<font color="#009900">Data</font>]),
+            <b><font color="#000000">read_body_to_console</font></b>(<font color="#009900">Req</font>)
+    <b><font color="#0000FF">end</font></b><font color="#990000">.</font></tt></pre>
+</div></div>
+<p>The <code>length</code> and <code>period</code> options can also be used. They need to be passed for every call.</p>
 <h2 id="_reading_a_form_urlencoded_body">Reading a form urlencoded body</h2>
-<div class="sectionbody">
-<div class="paragraph"><p>Cowboy provides a convenient function for reading and
-parsing bodies sent as application/x-www-form-urlencoded.</p></div>
-<div class="listingblock">
-<div class="content"><!-- Generator: GNU source-highlight
+<p>Cowboy provides a convenient function for reading and parsing bodies sent as application/x-www-form-urlencoded.</p>
+<div class="listingblock"><div class="content"><!-- Generator: GNU source-highlight 3.1.8
 by Lorenzo Bettini
 http://www.lorenzobettini.it
 http://www.gnu.org/software/src-highlite -->
-<pre><tt>{<span style="color: #FF6600">ok</span>, <span style="color: #009900">KeyValues</span>, <span style="color: #009900">Req</span>} <span style="color: #990000">=</span> <span style="font-weight: bold"><span style="color: #000000">cowboy_req:read_urlencoded_body</span></span>(<span style="color: #009900">Req0</span>)<span style="color: #990000">.</span></tt></pre></div></div>
-<div class="paragraph"><p>This function returns a list of key/values, exactly like
-the function <code>cowboy_req:parse_qs/1</code>.</p></div>
-<div class="paragraph"><p>The defaults for this function are different. Cowboy will
-read for up to 64KB and up to 5 seconds. They can be modified:</p></div>
-<div class="listingblock">
-<div class="content"><!-- Generator: GNU source-highlight
+<pre><tt>{<font color="#FF6600">ok</font>, <font color="#009900">KeyValues</font>, <font color="#009900">Req</font>} <font color="#990000">=</font> <b><font color="#000000">cowboy_req:read_urlencoded_body</font></b>(<font color="#009900">Req0</font>)<font color="#990000">.</font></tt></pre>
+</div></div>
+<p>This function returns a list of key/values, exactly like the function <code>cowboy_req:parse_qs/1</code>.</p>
+<p>The defaults for this function are different. Cowboy will read for up to 64KB and up to 5 seconds. They can be modified:</p>
+<div class="listingblock"><div class="content"><!-- Generator: GNU source-highlight 3.1.8
 by Lorenzo Bettini
 http://www.lorenzobettini.it
 http://www.gnu.org/software/src-highlite -->
-<pre><tt>{<span style="color: #FF6600">ok</span>, <span style="color: #009900">KeyValues</span>, <span style="color: #009900">Req</span>} <span style="color: #990000">=</span> <span style="font-weight: bold"><span style="color: #000000">cowboy_req:read_urlencoded_body</span></span>(<span style="color: #009900">Req0</span>,
-    #{<span style="font-weight: bold"><span style="color: #000080">length</span></span> <span style="color: #990000">=&gt;</span> <span style="color: #993399">4096</span>, <span style="color: #0000FF">period</span> <span style="color: #990000">=&gt;</span> <span style="color: #993399">3000</span>})<span style="color: #990000">.</span></tt></pre></div></div>
-</div>
-</div>
+<pre><tt>{<font color="#FF6600">ok</font>, <font color="#009900">KeyValues</font>, <font color="#009900">Req</font>} <font color="#990000">=</font> <b><font color="#000000">cowboy_req:read_urlencoded_body</font></b>(<font color="#009900">Req0</font>,
+    #{<b><font color="#000080">length</font></b> <font color="#990000">=&gt;</font> <font color="#993399">4096</font>, <font color="#0000FF">period</font> <font color="#990000">=&gt;</font> <font color="#993399">3000</font>})<font color="#990000">.</font></tt></pre>
+</div></div>
+