diff --git a/docs/api.html b/docs/api.html
index fde8a7e..e324492 100644
--- a/docs/api.html
+++ b/docs/api.html
@@ -31,7 +31,7 @@
 <h2>Contents</h2>
 <ul>
 <li><a href="#Functions">Functions</a></li>
-<li><a href="#Aliases">Aliases </a></li>
+<li><a href="#Tables">Tables</a></li>
 </ul>
 
 
@@ -58,19 +58,15 @@
 	<td class="summary">Reads config file from world directory.</td>
 	</tr>
 	<tr>
-	<td class="name" nowrap><a href="#wdata.write">wdata.write (fname, data[, styled])</a></td>
+	<td class="name" nowrap><a href="#wdata.write">wdata.write (fname, data[, flags])</a></td>
 	<td class="summary">Writes to config file in world directory.</td>
 	</tr>
 </table>
-<h2><a href="#Aliases">Aliases </a></h2>
+<h2><a href="#Tables">Tables</a></h2>
 <table class="function_list">
 	<tr>
-	<td class="name" nowrap><a href="#minetest.read_world_config">minetest.read_world_config</a></td>
-	<td class="summary">Alias of <a href="api.html#wdata.read">wdata.read</a>.</td>
-	</tr>
-	<tr>
-	<td class="name" nowrap><a href="#minetest.write_world_config">minetest.write_world_config</a></td>
-	<td class="summary">Alias of <a href="api.html#wdata.write">wdata.write</a>.</td>
+	<td class="name" nowrap><a href="#FlagsDef">FlagsDef</a></td>
+	<td class="summary">Flags definition.</td>
 	</tr>
 </table>
 
@@ -93,7 +89,7 @@
     <ul>
         <li><span class="parameter">fname</span>
             <span class="types"><a class="type" href="https://www.lua.org/manual/5.3/manual.html#6.4">string</a></span>
-         Base filename with optional directory structure (e.g. "my<em>mod/my</em>config")
+         Base filename with optional directory structure (e.g. "my_mod/my_config")
         </li>
     </ul>
 
@@ -110,7 +106,7 @@
 </dd>
     <dt>
     <a name = "wdata.write"></a>
-    <strong>wdata.write (fname, data[, styled])</strong>
+    <strong>wdata.write (fname, data[, flags])</strong>
     </dt>
     <dd>
     Writes to config file in world directory.
@@ -120,15 +116,17 @@
     <ul>
         <li><span class="parameter">fname</span>
             <span class="types"><a class="type" href="https://www.lua.org/manual/5.3/manual.html#6.4">string</a></span>
-         Base filename with optional directory structure (e.g. "my<em>mod/my</em>config").
+         Base filename with optional directory structure (e.g. "my_mod/my_config").
         </li>
         <li><span class="parameter">data</span>
             <span class="types"><a class="type" href="https://www.lua.org/manual/5.3/manual.html#6.6">table</a></span>
          Table data to be written to config file.
         </li>
-        <li><span class="parameter">styled</span>
-            <span class="types"><span class="type">bool</span></span>
-         Outputs in a human-readable format if this is set (default: <code>true</code>).
+        <li><span class="parameter">flags</span>
+            <span class="types"><a class="type" href="api.html#FlagsDef">FlagsDef</a></span>
+
+
+
          (<em>optional</em>)
         </li>
     </ul>
@@ -145,31 +143,30 @@
 
 </dd>
 </dl>
-    <h2 class="section-header "><a name="Aliases"></a>Aliases </h2>
+    <h2 class="section-header "><a name="Tables"></a>Tables</h2>
 
     <dl class="function">
     <dt>
-    <a name = "minetest.read_world_config"></a>
-    <strong>minetest.read_world_config</strong>
+    <a name = "FlagsDef"></a>
+    <strong>FlagsDef</strong>
     </dt>
     <dd>
-    Alias of <a href="api.html#wdata.read">wdata.read</a>.
-
-
-
-
-
-
-
-</dd>
-    <dt>
-    <a name = "minetest.write_world_config"></a>
-    <strong>minetest.write_world_config</strong>
-    </dt>
-    <dd>
-    Alias of <a href="api.html#wdata.write">wdata.write</a>.
+    Flags definition.
 
 
+    <h3>Fields:</h3>
+    <ul>
+        <li><span class="parameter">styled</span>
+            <span class="types"><span class="type">bool</span></span>
+         Outputs in a human-readable format if this is set (default: <code>true</code>).
+         (<em>optional</em>)
+        </li>
+        <li><span class="parameter">null_to_table</span>
+            <span class="types"><span class="type">bool</span></span>
+         "null" values will be converted to tables in output (default: <code>false</code>).
+         (<em>optional</em>)
+        </li>
+    </ul>
 
 
 
@@ -182,8 +179,8 @@
 </div> <!-- id="content" -->
 </div> <!-- id="main" -->
 <div id="about">
-<i>generated by <a href="http://github.com/stevedonovan/LDoc">LDoc 1.4.6</a></i>
-<i style="float:right;">Last updated 2021-05-28 00:24:34 </i>
+<i>generated by <a href="http://github.com/AntumDeluge/LDoc/tree/custom">LDoc 1.4.6-antum-dev</a></i>
+<i style="float:right;">Last updated 2021-08-28 19:22:25 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/ldoc.css b/docs/ldoc.css
index 415843e..c5500d5 100644
--- a/docs/ldoc.css
+++ b/docs/ldoc.css
@@ -153,9 +153,12 @@ table.index td { text-align: left; vertical-align: top; }
 #navigation {
     float: left;
     width: 14em;
+    max-height: 96.7%;
+    position: fixed;
     vertical-align: top;
     background-color: #f0f0f0;
-    overflow: visible;
+    overflow-x: hidden;
+    overflow-y: scroll;
 }
 
 #navigation h2 {
@@ -192,6 +195,7 @@ table.index td { text-align: left; vertical-align: top; }
     border-left: 2px solid #cccccc;
     border-right: 2px solid #cccccc;
     background-color: #ffffff;
+    min-height: 425px;
 }
 
 #about {