diff --git a/CHANGELOG.md b/CHANGELOG.md
index a3544ea..d1e4766 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -28,6 +28,10 @@ The scope of what is covered by the version number excludes:
 
 ## Version history
 
+### Version 0.4.1, released 25-Jun-2024
+
+- Fix: when compiling with `msys2` the `conio.h` header is required
+
 ### Version 0.4.0, released 20-Jun-2024
 
 - Feat: `getconsoleflags` and `setconsoleflags` for getting/setting the current console configuration flags on Windows
diff --git a/docs/classes/bitflags.html b/docs/classes/bitflags.html
index f063149..e97785a 100644
--- a/docs/classes/bitflags.html
+++ b/docs/classes/bitflags.html
@@ -50,8 +50,8 @@ <h2>Topics</h2>
   <li><a href="../topics/01-introduction.md.html">1. Introduction</a></li>
   <li><a href="../topics/02-development.md.html">2. Development</a></li>
   <li><a href="../topics/03-terminal.md.html">3. Terminal functionality</a></li>
-  <li><a href="../topics/CHANGELOG.md.html">CHANGELOG</a></li>
-  <li><a href="../topics/LICENSE.md.html">MIT License</a></li>
+  <li><a href="../topics/changelog.md.html">CHANGELOG</a></li>
+  <li><a href="../topics/license.md.html">MIT License</a></li>
 </ul>
 <h2>Examples</h2>
 <ul class="nowrap">
@@ -297,8 +297,8 @@ <h3>Usage:</h3>
 </div> <!-- id="content" -->
 </div> <!-- id="main" -->
 <div id="about">
-<i>generated by <a href="http://github.com/lunarmodules/LDoc">LDoc 1.5.0</a></i>
-<i style="float:right;">Last updated 2024-06-20 23:11:37 </i>
+<i>generated by <a href="http://github.com/lunarmodules/ldoc">LDoc 1.5.0</a></i>
+<i style="float:right;">Last updated 2024-06-25 08:55:25 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/examples/compat.lua.html b/docs/examples/compat.lua.html
index a0abafe..465854d 100644
--- a/docs/examples/compat.lua.html
+++ b/docs/examples/compat.lua.html
@@ -57,8 +57,8 @@ <h2>Topics</h2>
   <li><a href="../topics/01-introduction.md.html">1. Introduction</a></li>
   <li><a href="../topics/02-development.md.html">2. Development</a></li>
   <li><a href="../topics/03-terminal.md.html">3. Terminal functionality</a></li>
-  <li><a href="../topics/CHANGELOG.md.html">CHANGELOG</a></li>
-  <li><a href="../topics/LICENSE.md.html">MIT License</a></li>
+  <li><a href="../topics/changelog.md.html">CHANGELOG</a></li>
+  <li><a href="../topics/license.md.html">MIT License</a></li>
 </ul>
 
 </div>
@@ -77,7 +77,7 @@ <h2>compat.lua</h2>
 <span class="keyword">if</span> sys.windows <span class="keyword">then</span>
   <span class="comment">-- Windows holds multiple copies of environment variables, to ensure <code>getenv</code>
 </span>  <span class="comment">-- returns what <code>setenv</code> sets we need to use the <a href="../modules/system.html#getenv">system.getenv</a> instead of
-</span>  <span class="comment">-- <a href="https://www.lua.org/manual/5.4/manual.html#pdf-os.getenv">os.getenv</a>.
+</span>  <span class="comment">-- <a href="https://www.lua.org/manual/5.1/manual.html#pdf-os.getenv">os.getenv</a>.
 </span>  <span class="global">os</span>.getenv = sys.getenv  <span class="comment">-- luacheck: ignore
 </span>
   <span class="comment">-- Set console output to UTF-8 encoding.
@@ -111,8 +111,8 @@ <h2>compat.lua</h2>
 </div> <!-- id="content" -->
 </div> <!-- id="main" -->
 <div id="about">
-<i>generated by <a href="http://github.com/lunarmodules/LDoc">LDoc 1.5.0</a></i>
-<i style="float:right;">Last updated 2024-06-20 23:11:37 </i>
+<i>generated by <a href="http://github.com/lunarmodules/ldoc">LDoc 1.5.0</a></i>
+<i style="float:right;">Last updated 2024-06-25 08:55:25 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/examples/flag_debugging.lua.html b/docs/examples/flag_debugging.lua.html
index 38f506a..79df7ad 100644
--- a/docs/examples/flag_debugging.lua.html
+++ b/docs/examples/flag_debugging.lua.html
@@ -57,8 +57,8 @@ <h2>Topics</h2>
   <li><a href="../topics/01-introduction.md.html">1. Introduction</a></li>
   <li><a href="../topics/02-development.md.html">2. Development</a></li>
   <li><a href="../topics/03-terminal.md.html">3. Terminal functionality</a></li>
-  <li><a href="../topics/CHANGELOG.md.html">CHANGELOG</a></li>
-  <li><a href="../topics/LICENSE.md.html">MIT License</a></li>
+  <li><a href="../topics/changelog.md.html">CHANGELOG</a></li>
+  <li><a href="../topics/license.md.html">MIT License</a></li>
 </ul>
 
 </div>
@@ -79,8 +79,8 @@ <h2>flag_debugging.lua</h2>
 </div> <!-- id="content" -->
 </div> <!-- id="main" -->
 <div id="about">
-<i>generated by <a href="http://github.com/lunarmodules/LDoc">LDoc 1.5.0</a></i>
-<i style="float:right;">Last updated 2024-06-20 23:11:37 </i>
+<i>generated by <a href="http://github.com/lunarmodules/ldoc">LDoc 1.5.0</a></i>
+<i style="float:right;">Last updated 2024-06-25 08:55:25 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/examples/password_input.lua.html b/docs/examples/password_input.lua.html
index 4234fbb..2153d7e 100644
--- a/docs/examples/password_input.lua.html
+++ b/docs/examples/password_input.lua.html
@@ -57,8 +57,8 @@ <h2>Topics</h2>
   <li><a href="../topics/01-introduction.md.html">1. Introduction</a></li>
   <li><a href="../topics/02-development.md.html">2. Development</a></li>
   <li><a href="../topics/03-terminal.md.html">3. Terminal functionality</a></li>
-  <li><a href="../topics/CHANGELOG.md.html">CHANGELOG</a></li>
-  <li><a href="../topics/LICENSE.md.html">MIT License</a></li>
+  <li><a href="../topics/changelog.md.html">CHANGELOG</a></li>
+  <li><a href="../topics/license.md.html">MIT License</a></li>
 </ul>
 
 </div>
@@ -131,8 +131,8 @@ <h2>password_input.lua</h2>
 </div> <!-- id="content" -->
 </div> <!-- id="main" -->
 <div id="about">
-<i>generated by <a href="http://github.com/lunarmodules/LDoc">LDoc 1.5.0</a></i>
-<i style="float:right;">Last updated 2024-06-20 23:11:37 </i>
+<i>generated by <a href="http://github.com/lunarmodules/ldoc">LDoc 1.5.0</a></i>
+<i style="float:right;">Last updated 2024-06-25 08:55:25 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/examples/read.lua.html b/docs/examples/read.lua.html
index c7697d3..4dd0388 100644
--- a/docs/examples/read.lua.html
+++ b/docs/examples/read.lua.html
@@ -57,8 +57,8 @@ <h2>Topics</h2>
   <li><a href="../topics/01-introduction.md.html">1. Introduction</a></li>
   <li><a href="../topics/02-development.md.html">2. Development</a></li>
   <li><a href="../topics/03-terminal.md.html">3. Terminal functionality</a></li>
-  <li><a href="../topics/CHANGELOG.md.html">CHANGELOG</a></li>
-  <li><a href="../topics/LICENSE.md.html">MIT License</a></li>
+  <li><a href="../topics/changelog.md.html">CHANGELOG</a></li>
+  <li><a href="../topics/license.md.html">MIT License</a></li>
 </ul>
 
 </div>
@@ -142,8 +142,8 @@ <h2>read.lua</h2>
 </div> <!-- id="content" -->
 </div> <!-- id="main" -->
 <div id="about">
-<i>generated by <a href="http://github.com/lunarmodules/LDoc">LDoc 1.5.0</a></i>
-<i style="float:right;">Last updated 2024-06-20 23:11:37 </i>
+<i>generated by <a href="http://github.com/lunarmodules/ldoc">LDoc 1.5.0</a></i>
+<i style="float:right;">Last updated 2024-06-25 08:55:25 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/examples/readline.lua.html b/docs/examples/readline.lua.html
index 7895a81..48805b3 100644
--- a/docs/examples/readline.lua.html
+++ b/docs/examples/readline.lua.html
@@ -57,8 +57,8 @@ <h2>Topics</h2>
   <li><a href="../topics/01-introduction.md.html">1. Introduction</a></li>
   <li><a href="../topics/02-development.md.html">2. Development</a></li>
   <li><a href="../topics/03-terminal.md.html">3. Terminal functionality</a></li>
-  <li><a href="../topics/CHANGELOG.md.html">CHANGELOG</a></li>
-  <li><a href="../topics/LICENSE.md.html">MIT License</a></li>
+  <li><a href="../topics/changelog.md.html">CHANGELOG</a></li>
+  <li><a href="../topics/license.md.html">MIT License</a></li>
 </ul>
 
 </div>
@@ -544,8 +544,8 @@ <h2>readline.lua</h2>
 </div> <!-- id="content" -->
 </div> <!-- id="main" -->
 <div id="about">
-<i>generated by <a href="http://github.com/lunarmodules/LDoc">LDoc 1.5.0</a></i>
-<i style="float:right;">Last updated 2024-06-20 23:11:37 </i>
+<i>generated by <a href="http://github.com/lunarmodules/ldoc">LDoc 1.5.0</a></i>
+<i style="float:right;">Last updated 2024-06-25 08:55:25 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/examples/spinner.lua.html b/docs/examples/spinner.lua.html
index 181cbe5..485fa1e 100644
--- a/docs/examples/spinner.lua.html
+++ b/docs/examples/spinner.lua.html
@@ -57,8 +57,8 @@ <h2>Topics</h2>
   <li><a href="../topics/01-introduction.md.html">1. Introduction</a></li>
   <li><a href="../topics/02-development.md.html">2. Development</a></li>
   <li><a href="../topics/03-terminal.md.html">3. Terminal functionality</a></li>
-  <li><a href="../topics/CHANGELOG.md.html">CHANGELOG</a></li>
-  <li><a href="../topics/LICENSE.md.html">MIT License</a></li>
+  <li><a href="../topics/changelog.md.html">CHANGELOG</a></li>
+  <li><a href="../topics/license.md.html">MIT License</a></li>
 </ul>
 
 </div>
@@ -136,8 +136,8 @@ <h2>spinner.lua</h2>
 </div> <!-- id="content" -->
 </div> <!-- id="main" -->
 <div id="about">
-<i>generated by <a href="http://github.com/lunarmodules/LDoc">LDoc 1.5.0</a></i>
-<i style="float:right;">Last updated 2024-06-20 23:11:37 </i>
+<i>generated by <a href="http://github.com/lunarmodules/ldoc">LDoc 1.5.0</a></i>
+<i style="float:right;">Last updated 2024-06-25 08:55:25 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/examples/spiral_snake.lua.html b/docs/examples/spiral_snake.lua.html
index 7ebb838..fe0fcb3 100644
--- a/docs/examples/spiral_snake.lua.html
+++ b/docs/examples/spiral_snake.lua.html
@@ -57,8 +57,8 @@ <h2>Topics</h2>
   <li><a href="../topics/01-introduction.md.html">1. Introduction</a></li>
   <li><a href="../topics/02-development.md.html">2. Development</a></li>
   <li><a href="../topics/03-terminal.md.html">3. Terminal functionality</a></li>
-  <li><a href="../topics/CHANGELOG.md.html">CHANGELOG</a></li>
-  <li><a href="../topics/LICENSE.md.html">MIT License</a></li>
+  <li><a href="../topics/changelog.md.html">CHANGELOG</a></li>
+  <li><a href="../topics/license.md.html">MIT License</a></li>
 </ul>
 
 </div>
@@ -144,8 +144,8 @@ <h2>spiral_snake.lua</h2>
 </div> <!-- id="content" -->
 </div> <!-- id="main" -->
 <div id="about">
-<i>generated by <a href="http://github.com/lunarmodules/LDoc">LDoc 1.5.0</a></i>
-<i style="float:right;">Last updated 2024-06-20 23:11:37 </i>
+<i>generated by <a href="http://github.com/lunarmodules/ldoc">LDoc 1.5.0</a></i>
+<i style="float:right;">Last updated 2024-06-25 08:55:25 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/examples/terminalsize.lua.html b/docs/examples/terminalsize.lua.html
index d7f902d..cdfa5e9 100644
--- a/docs/examples/terminalsize.lua.html
+++ b/docs/examples/terminalsize.lua.html
@@ -57,8 +57,8 @@ <h2>Topics</h2>
   <li><a href="../topics/01-introduction.md.html">1. Introduction</a></li>
   <li><a href="../topics/02-development.md.html">2. Development</a></li>
   <li><a href="../topics/03-terminal.md.html">3. Terminal functionality</a></li>
-  <li><a href="../topics/CHANGELOG.md.html">CHANGELOG</a></li>
-  <li><a href="../topics/LICENSE.md.html">MIT License</a></li>
+  <li><a href="../topics/changelog.md.html">CHANGELOG</a></li>
+  <li><a href="../topics/license.md.html">MIT License</a></li>
 </ul>
 
 </div>
@@ -109,8 +109,8 @@ <h2>terminalsize.lua</h2>
 </div> <!-- id="content" -->
 </div> <!-- id="main" -->
 <div id="about">
-<i>generated by <a href="http://github.com/lunarmodules/LDoc">LDoc 1.5.0</a></i>
-<i style="float:right;">Last updated 2024-06-20 23:11:37 </i>
+<i>generated by <a href="http://github.com/lunarmodules/ldoc">LDoc 1.5.0</a></i>
+<i style="float:right;">Last updated 2024-06-25 08:55:25 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/index.html b/docs/index.html
index 52c93fe..1c3c149 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -43,8 +43,8 @@ <h2>Topics</h2>
   <li><a href="topics/01-introduction.md.html">1. Introduction</a></li>
   <li><a href="topics/02-development.md.html">2. Development</a></li>
   <li><a href="topics/03-terminal.md.html">3. Terminal functionality</a></li>
-  <li><a href="topics/CHANGELOG.md.html">CHANGELOG</a></li>
-  <li><a href="topics/LICENSE.md.html">MIT License</a></li>
+  <li><a href="topics/changelog.md.html">CHANGELOG</a></li>
+  <li><a href="topics/license.md.html">MIT License</a></li>
 </ul>
 <h2>Examples</h2>
 <ul class="nowrap">
@@ -68,72 +68,72 @@ <h2>Platform independent system calls for Lua</h2>
 <h2>Modules</h2>
 <table class="module_list">
 	<tr>
-		<td class="name"  nowrap><a href="modules/system.html">system</a></td>
+		<td class="name" nowrap><a href="modules/system.html">system</a></td>
 		<td class="summary">Platform independent system calls for Lua.</td>
 	</tr>
 </table>
 <h2>Classes</h2>
 <table class="module_list">
 	<tr>
-		<td class="name"  nowrap><a href="classes/bitflags.html">bitflags</a></td>
+		<td class="name" nowrap><a href="classes/bitflags.html">bitflags</a></td>
 		<td class="summary">Bitflags module.</td>
 	</tr>
 </table>
 <h2>Topics</h2>
 <table class="module_list">
 	<tr>
-		<td class="name"  nowrap><a href="topics/01-introduction.md.html">01-introduction.md</a></td>
+		<td class="name" nowrap><a href="topics/01-introduction.md.html">01-introduction.md</a></td>
 		<td class="summary"></td>
 	</tr>
 	<tr>
-		<td class="name"  nowrap><a href="topics/02-development.md.html">02-development.md</a></td>
+		<td class="name" nowrap><a href="topics/02-development.md.html">02-development.md</a></td>
 		<td class="summary"></td>
 	</tr>
 	<tr>
-		<td class="name"  nowrap><a href="topics/03-terminal.md.html">03-terminal.md</a></td>
+		<td class="name" nowrap><a href="topics/03-terminal.md.html">03-terminal.md</a></td>
 		<td class="summary"></td>
 	</tr>
 	<tr>
-		<td class="name"  nowrap><a href="topics/CHANGELOG.md.html">CHANGELOG.md</a></td>
+		<td class="name" nowrap><a href="topics/changelog.md.html">changelog.md</a></td>
 		<td class="summary"></td>
 	</tr>
 	<tr>
-		<td class="name"  nowrap><a href="topics/LICENSE.md.html">LICENSE.md</a></td>
+		<td class="name" nowrap><a href="topics/license.md.html">license.md</a></td>
 		<td class="summary"></td>
 	</tr>
 </table>
 <h2>Examples</h2>
 <table class="module_list">
 	<tr>
-		<td class="name"  nowrap><a href="examples/compat.lua.html">compat.lua</a></td>
+		<td class="name" nowrap><a href="examples/compat.lua.html">compat.lua</a></td>
 		<td class="summary"></td>
 	</tr>
 	<tr>
-		<td class="name"  nowrap><a href="examples/flag_debugging.lua.html">flag_debugging.lua</a></td>
+		<td class="name" nowrap><a href="examples/flag_debugging.lua.html">flag_debugging.lua</a></td>
 		<td class="summary"></td>
 	</tr>
 	<tr>
-		<td class="name"  nowrap><a href="examples/password_input.lua.html">password_input.lua</a></td>
+		<td class="name" nowrap><a href="examples/password_input.lua.html">password_input.lua</a></td>
 		<td class="summary"></td>
 	</tr>
 	<tr>
-		<td class="name"  nowrap><a href="examples/read.lua.html">read.lua</a></td>
+		<td class="name" nowrap><a href="examples/read.lua.html">read.lua</a></td>
 		<td class="summary"></td>
 	</tr>
 	<tr>
-		<td class="name"  nowrap><a href="examples/readline.lua.html">readline.lua</a></td>
+		<td class="name" nowrap><a href="examples/readline.lua.html">readline.lua</a></td>
 		<td class="summary"></td>
 	</tr>
 	<tr>
-		<td class="name"  nowrap><a href="examples/spinner.lua.html">spinner.lua</a></td>
+		<td class="name" nowrap><a href="examples/spinner.lua.html">spinner.lua</a></td>
 		<td class="summary"></td>
 	</tr>
 	<tr>
-		<td class="name"  nowrap><a href="examples/spiral_snake.lua.html">spiral_snake.lua</a></td>
+		<td class="name" nowrap><a href="examples/spiral_snake.lua.html">spiral_snake.lua</a></td>
 		<td class="summary"></td>
 	</tr>
 	<tr>
-		<td class="name"  nowrap><a href="examples/terminalsize.lua.html">terminalsize.lua</a></td>
+		<td class="name" nowrap><a href="examples/terminalsize.lua.html">terminalsize.lua</a></td>
 		<td class="summary"></td>
 	</tr>
 </table>
@@ -141,8 +141,8 @@ <h2>Examples</h2>
 </div> <!-- id="content" -->
 </div> <!-- id="main" -->
 <div id="about">
-<i>generated by <a href="http://github.com/lunarmodules/LDoc">LDoc 1.5.0</a></i>
-<i style="float:right;">Last updated 2024-06-20 23:11:37 </i>
+<i>generated by <a href="http://github.com/lunarmodules/ldoc">LDoc 1.5.0</a></i>
+<i style="float:right;">Last updated 2024-06-25 08:55:25 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/modules/system.html b/docs/modules/system.html
index 0423e37..01e94aa 100644
--- a/docs/modules/system.html
+++ b/docs/modules/system.html
@@ -54,8 +54,8 @@ <h2>Topics</h2>
   <li><a href="../topics/01-introduction.md.html">1. Introduction</a></li>
   <li><a href="../topics/02-development.md.html">2. Development</a></li>
   <li><a href="../topics/03-terminal.md.html">3. Terminal functionality</a></li>
-  <li><a href="../topics/CHANGELOG.md.html">CHANGELOG</a></li>
-  <li><a href="../topics/LICENSE.md.html">MIT License</a></li>
+  <li><a href="../topics/changelog.md.html">CHANGELOG</a></li>
+  <li><a href="../topics/license.md.html">MIT License</a></li>
 </ul>
 <h2>Examples</h2>
 <ul class="nowrap">
@@ -263,14 +263,14 @@ <h2 class="section-header "><a name="Environment"></a>Environment </h2>
     Gets the value of an environment variable. </p>
 
 <p><strong>NOTE</strong>: Windows has multiple copies of environment variables. For this reason,
-the <a href="../modules/system.html#setenv">setenv</a> function will not work with Lua's <a href="https://www.lua.org/manual/5.4/manual.html#pdf-os.getenv">os.getenv</a> on Windows. If you want
-to use <a href="../modules/system.html#setenv">setenv</a> then consider patching <a href="https://www.lua.org/manual/5.4/manual.html#pdf-os.getenv">os.getenv</a> with this implementation of <a href="../modules/system.html#getenv">getenv</a>.
+the <a href="../modules/system.html#setenv">setenv</a> function will not work with Lua's <a href="https://www.lua.org/manual/5.1/manual.html#pdf-os.getenv">os.getenv</a> on Windows. If you want
+to use <a href="../modules/system.html#setenv">setenv</a> then consider patching <a href="https://www.lua.org/manual/5.1/manual.html#pdf-os.getenv">os.getenv</a> with this implementation of <a href="../modules/system.html#getenv">getenv</a>.
 
 
     <h3>Parameters:</h3>
     <ul>
         <li><span class="parameter">name</span>
-            <span class="types"><a class="type" href="https://www.lua.org/manual/5.4/manual.html#6.4">string</a></span>
+            <span class="types"><a class="type" href="https://www.lua.org/manual/5.1/manual.html#5.4">string</a></span>
          name of the environment variable
         </li>
     </ul>
@@ -278,7 +278,7 @@ <h3>Parameters:</h3>
     <h3>Returns:</h3>
     <ol>
 
-           <span class="types"><a class="type" href="https://www.lua.org/manual/5.4/manual.html#6.4">string</a> or <span class="type">nil</span></span>
+           <span class="types"><a class="type" href="https://www.lua.org/manual/5.1/manual.html#5.4">string</a> or <span class="type">nil</span></span>
         value of the environment variable, or nil if the variable is not set
     </ol>
 
@@ -298,7 +298,7 @@ <h3>Returns:</h3>
     <h3>Returns:</h3>
     <ol>
 
-           <span class="types"><a class="type" href="https://www.lua.org/manual/5.4/manual.html#6.6">table</a></span>
+           <span class="types"><a class="type" href="https://www.lua.org/manual/5.1/manual.html#5.5">table</a></span>
         table with all environment variables and their values
     </ol>
 
@@ -314,18 +314,18 @@ <h3>Returns:</h3>
     Sets an environment variable. </p>
 
 <p><strong>NOTE</strong>: Windows has multiple copies of environment variables. For this reason, the
-<a href="../modules/system.html#setenv">setenv</a> function will not work with Lua's <a href="https://www.lua.org/manual/5.4/manual.html#pdf-os.getenv">os.getenv</a> on Windows. If you want to use
-it then consider patching <a href="https://www.lua.org/manual/5.4/manual.html#pdf-os.getenv">os.getenv</a> with the implementation of <a href="../modules/system.html#getenv">system.getenv</a>.
+<a href="../modules/system.html#setenv">setenv</a> function will not work with Lua's <a href="https://www.lua.org/manual/5.1/manual.html#pdf-os.getenv">os.getenv</a> on Windows. If you want to use
+it then consider patching <a href="https://www.lua.org/manual/5.1/manual.html#pdf-os.getenv">os.getenv</a> with the implementation of <a href="../modules/system.html#getenv">system.getenv</a>.
 
 
     <h3>Parameters:</h3>
     <ul>
         <li><span class="parameter">name</span>
-            <span class="types"><a class="type" href="https://www.lua.org/manual/5.4/manual.html#6.4">string</a></span>
+            <span class="types"><a class="type" href="https://www.lua.org/manual/5.1/manual.html#5.4">string</a></span>
          name of the environment variable
         </li>
         <li><span class="parameter">value</span>
-            <span class="types"><a class="type" href="https://www.lua.org/manual/5.4/manual.html#6.4">string</a></span>
+            <span class="types"><a class="type" href="https://www.lua.org/manual/5.1/manual.html#5.4">string</a></span>
          value of the environment variable, if <code>nil</code> the variable will be deleted (on
 Windows, setting an empty string, will also delete the variable)
          (<em>optional</em>)
@@ -369,7 +369,7 @@ <h3>Parameters:</h3>
     <h3>Returns:</h3>
     <ol>
 
-           <span class="types"><a class="type" href="https://www.lua.org/manual/5.4/manual.html#6.4">string</a></span>
+           <span class="types"><a class="type" href="https://www.lua.org/manual/5.1/manual.html#5.4">string</a></span>
         string of random bytes
     </ol>
      <h3>Or</h3>
@@ -380,7 +380,7 @@ <h3>Or</h3>
 
 </li>
         <li>
-           <span class="types"><a class="type" href="https://www.lua.org/manual/5.4/manual.html#6.4">string</a></span>
+           <span class="types"><a class="type" href="https://www.lua.org/manual/5.1/manual.html#5.4">string</a></span>
         error message</li>
     </ol>
 
@@ -426,7 +426,7 @@ <h2 class="section-header has-description"><a name="Terminal"></a>Terminal </h2>
 directly, but through the <a href="../modules/system.html#readkey">system.readkey</a> or <a href="../modules/system.html#readansi">system.readansi</a> functions. It
 will return the next byte from the input stream, or <code>nil</code> if no key was pressed.</p>
 
-<p>On Posix, <a href="https://www.lua.org/manual/5.4/manual.html#pdf-io.stdin">io.stdin</a> must be set to non-blocking mode using <a href="../modules/system.html#setnonblock">setnonblock</a>
+<p>On Posix, <a href="https://www.lua.org/manual/5.1/manual.html#pdf-io.stdin">io.stdin</a> must be set to non-blocking mode using <a href="../modules/system.html#setnonblock">setnonblock</a>
 and canonical mode must be turned off using <a href="../modules/system.html#tcsetattr">tcsetattr</a>,
 before calling this function. Otherwise it will block. No conversions are
 done on Posix, so the byte read is returned as-is.</p>
@@ -454,7 +454,7 @@ <h3>Or</h3>
            <span class="types"><span class="type">nil</span></span>
         on error</li>
         <li>
-           <span class="types"><a class="type" href="https://www.lua.org/manual/5.4/manual.html#6.4">string</a></span>
+           <span class="types"><a class="type" href="https://www.lua.org/manual/5.1/manual.html#5.4">string</a></span>
         error message</li>
         <li>
            <span class="types"><span class="type">int</span></span>
@@ -488,7 +488,7 @@ <h3>Or</h3>
            <span class="types"><span class="type">nil</span></span>
         if the backup was already created</li>
         <li>
-           <span class="types"><a class="type" href="https://www.lua.org/manual/5.4/manual.html#6.4">string</a></span>
+           <span class="types"><a class="type" href="https://www.lua.org/manual/5.1/manual.html#5.4">string</a></span>
         error message</li>
     </ol>
 
@@ -523,8 +523,8 @@ <h3>Returns:</h3>
     <dd>
     Gets console flags (Windows).
 The <code>CIF_</code> and <code>COF_</code> constants are available on the module table. Where <code>CIF</code> are the
-input flags (for use with <a href="https://www.lua.org/manual/5.4/manual.html#pdf-io.stdin">io.stdin</a>) and <code>COF</code> are the output flags (for use with
-<a href="https://www.lua.org/manual/5.4/manual.html#pdf-io.stdout">io.stdout</a>/<a href="https://www.lua.org/manual/5.4/manual.html#pdf-io.stderr">io.stderr</a>).</p>
+input flags (for use with <a href="https://www.lua.org/manual/5.1/manual.html#pdf-io.stdin">io.stdin</a>) and <code>COF</code> are the output flags (for use with
+<a href="https://www.lua.org/manual/5.1/manual.html#pdf-io.stdout">io.stdout</a>/<a href="https://www.lua.org/manual/5.1/manual.html#pdf-io.stderr">io.stderr</a>).</p>
 
 <p><em>Note</em>: See <a href="https://learn.microsoft.com/en-us/windows/console/setconsolemode">setconsolemode documentation</a>
 for more information on the flags.
@@ -534,7 +534,7 @@ <h3>Parameters:</h3>
     <ul>
         <li><span class="parameter">file</span>
             <span class="types"><span class="type">file</span></span>
-         file handle to operate on, one of <a href="https://www.lua.org/manual/5.4/manual.html#pdf-io.stdin">io.stdin</a>, <a href="https://www.lua.org/manual/5.4/manual.html#pdf-io.stdout">io.stdout</a>, <a href="https://www.lua.org/manual/5.4/manual.html#pdf-io.stderr">io.stderr</a>
+         file handle to operate on, one of <a href="https://www.lua.org/manual/5.1/manual.html#pdf-io.stdin">io.stdin</a>, <a href="https://www.lua.org/manual/5.1/manual.html#pdf-io.stdout">io.stdout</a>, <a href="https://www.lua.org/manual/5.1/manual.html#pdf-io.stderr">io.stderr</a>
         </li>
     </ul>
 
@@ -552,7 +552,7 @@ <h3>Or</h3>
 
 </li>
         <li>
-           <span class="types"><a class="type" href="https://www.lua.org/manual/5.4/manual.html#6.4">string</a></span>
+           <span class="types"><a class="type" href="https://www.lua.org/manual/5.1/manual.html#5.4">string</a></span>
         error message</li>
     </ol>
 
@@ -605,7 +605,7 @@ <h3>Parameters:</h3>
     <ul>
         <li><span class="parameter">fd</span>
             <span class="types"><span class="type">file</span></span>
-         file handle to operate on, one of <a href="https://www.lua.org/manual/5.4/manual.html#pdf-io.stdin">io.stdin</a>, <a href="https://www.lua.org/manual/5.4/manual.html#pdf-io.stdout">io.stdout</a>, <a href="https://www.lua.org/manual/5.4/manual.html#pdf-io.stderr">io.stderr</a>
+         file handle to operate on, one of <a href="https://www.lua.org/manual/5.1/manual.html#pdf-io.stdin">io.stdin</a>, <a href="https://www.lua.org/manual/5.1/manual.html#pdf-io.stdout">io.stdout</a>, <a href="https://www.lua.org/manual/5.1/manual.html#pdf-io.stderr">io.stderr</a>
         </li>
     </ul>
 
@@ -623,7 +623,7 @@ <h3>Or</h3>
 
 </li>
         <li>
-           <span class="types"><a class="type" href="https://www.lua.org/manual/5.4/manual.html#6.4">string</a></span>
+           <span class="types"><a class="type" href="https://www.lua.org/manual/5.1/manual.html#5.4">string</a></span>
         error message</li>
         <li>
            <span class="types"><span class="type">int</span></span>
@@ -646,7 +646,7 @@ <h3>Parameters:</h3>
     <ul>
         <li><span class="parameter">file</span>
             <span class="types"><span class="type">file</span></span>
-         the file-handle to check, one of <a href="https://www.lua.org/manual/5.4/manual.html#pdf-io.stdin">io.stdin</a>, <a href="https://www.lua.org/manual/5.4/manual.html#pdf-io.stdout">io.stdout</a>, <a href="https://www.lua.org/manual/5.4/manual.html#pdf-io.stderr">io.stderr</a>.
+         the file-handle to check, one of <a href="https://www.lua.org/manual/5.1/manual.html#pdf-io.stdin">io.stdin</a>, <a href="https://www.lua.org/manual/5.1/manual.html#pdf-io.stdout">io.stdout</a>, <a href="https://www.lua.org/manual/5.1/manual.html#pdf-io.stderr">io.stderr</a>.
         </li>
     </ul>
 
@@ -682,7 +682,7 @@ <h3>Usage:</h3>
     <h3>Parameters:</h3>
     <ul>
         <li><span class="parameter">fh</span>
-         file handle (<a href="https://www.lua.org/manual/5.4/manual.html#pdf-io.stdin">io.stdin</a>, <a href="https://www.lua.org/manual/5.4/manual.html#pdf-io.stdout">io.stdout</a>, <a href="https://www.lua.org/manual/5.4/manual.html#pdf-io.stderr">io.stderr</a>)
+         file handle (<a href="https://www.lua.org/manual/5.1/manual.html#pdf-io.stdin">io.stdin</a>, <a href="https://www.lua.org/manual/5.1/manual.html#pdf-io.stdout">io.stdout</a>, <a href="https://www.lua.org/manual/5.1/manual.html#pdf-io.stderr">io.stderr</a>)
         </li>
     </ul>
 
@@ -710,7 +710,7 @@ <h3>Usage:</h3>
     <h3>Parameters:</h3>
     <ul>
         <li><span class="parameter">fh</span>
-         file handle (<a href="https://www.lua.org/manual/5.4/manual.html#pdf-io.stdin">io.stdin</a>, <a href="https://www.lua.org/manual/5.4/manual.html#pdf-io.stdout">io.stdout</a>, <a href="https://www.lua.org/manual/5.4/manual.html#pdf-io.stderr">io.stderr</a>)
+         file handle (<a href="https://www.lua.org/manual/5.1/manual.html#pdf-io.stdin">io.stdin</a>, <a href="https://www.lua.org/manual/5.1/manual.html#pdf-io.stdout">io.stdout</a>, <a href="https://www.lua.org/manual/5.1/manual.html#pdf-io.stderr">io.stderr</a>)
         </li>
     </ul>
 
@@ -750,10 +750,10 @@ <h3>Parameters:</h3>
     <h3>Returns:</h3>
     <ol>
         <li>
-           <span class="types"><a class="type" href="https://www.lua.org/manual/5.4/manual.html#6.4">string</a></span>
+           <span class="types"><a class="type" href="https://www.lua.org/manual/5.1/manual.html#5.4">string</a></span>
         the character that was received (can be multi-byte), or a complete ANSI sequence</li>
         <li>
-           <span class="types"><a class="type" href="https://www.lua.org/manual/5.4/manual.html#6.4">string</a></span>
+           <span class="types"><a class="type" href="https://www.lua.org/manual/5.1/manual.html#5.4">string</a></span>
         the type of input: <code>&quot;char&quot;</code> for a single key, <code>&quot;ansi&quot;</code> for an ANSI sequence</li>
     </ol>
      <h3>Or</h3>
@@ -762,10 +762,10 @@ <h3>Or</h3>
            <span class="types"><span class="type">nil</span></span>
         in case of an error</li>
         <li>
-           <span class="types"><a class="type" href="https://www.lua.org/manual/5.4/manual.html#6.4">string</a></span>
+           <span class="types"><a class="type" href="https://www.lua.org/manual/5.1/manual.html#5.4">string</a></span>
         error message; <code>&quot;timeout&quot;</code> if the timeout was reached.</li>
         <li>
-           <span class="types"><a class="type" href="https://www.lua.org/manual/5.4/manual.html#6.4">string</a></span>
+           <span class="types"><a class="type" href="https://www.lua.org/manual/5.1/manual.html#5.4">string</a></span>
         partial result in case of an error while reading a sequence, the sequence so far.</li>
     </ol>
 
@@ -807,7 +807,7 @@ <h3>Or</h3>
            <span class="types"><span class="type">nil</span></span>
         if no key was read</li>
         <li>
-           <span class="types"><a class="type" href="https://www.lua.org/manual/5.4/manual.html#6.4">string</a></span>
+           <span class="types"><a class="type" href="https://www.lua.org/manual/5.1/manual.html#5.4">string</a></span>
         error message; <code>&quot;timeout&quot;</code> if the timeout was reached.</li>
     </ol>
 
@@ -849,8 +849,8 @@ <h3>Returns:</h3>
     <dd>
     Sets the console flags (Windows).
 The <code>CIF_</code> and <code>COF_</code> constants are available on the module table. Where <code>CIF</code> are the
-input flags (for use with <a href="https://www.lua.org/manual/5.4/manual.html#pdf-io.stdin">io.stdin</a>) and <code>COF</code> are the output flags (for use with
-<a href="https://www.lua.org/manual/5.4/manual.html#pdf-io.stdout">io.stdout</a>/<a href="https://www.lua.org/manual/5.4/manual.html#pdf-io.stderr">io.stderr</a>).</p>
+input flags (for use with <a href="https://www.lua.org/manual/5.1/manual.html#pdf-io.stdin">io.stdin</a>) and <code>COF</code> are the output flags (for use with
+<a href="https://www.lua.org/manual/5.1/manual.html#pdf-io.stdout">io.stdout</a>/<a href="https://www.lua.org/manual/5.1/manual.html#pdf-io.stderr">io.stderr</a>).</p>
 
 <p>To see flag status and constant names check <a href="../modules/system.html#listconsoleflags">listconsoleflags</a>.</p>
 
@@ -862,7 +862,7 @@ <h3>Parameters:</h3>
     <ul>
         <li><span class="parameter">file</span>
             <span class="types"><span class="type">file</span></span>
-         file handle to operate on, one of <a href="https://www.lua.org/manual/5.4/manual.html#pdf-io.stdin">io.stdin</a>, <a href="https://www.lua.org/manual/5.4/manual.html#pdf-io.stdout">io.stdout</a>, <a href="https://www.lua.org/manual/5.4/manual.html#pdf-io.stderr">io.stderr</a>
+         file handle to operate on, one of <a href="https://www.lua.org/manual/5.1/manual.html#pdf-io.stdin">io.stdin</a>, <a href="https://www.lua.org/manual/5.1/manual.html#pdf-io.stdout">io.stdout</a>, <a href="https://www.lua.org/manual/5.1/manual.html#pdf-io.stderr">io.stderr</a>
         </li>
         <li><span class="parameter">bitflags</span>
             <span class="types"><a class="type" href="../classes/bitflags.html#">bitflags</a></span>
@@ -884,7 +884,7 @@ <h3>Or</h3>
 
 </li>
         <li>
-           <span class="types"><a class="type" href="https://www.lua.org/manual/5.4/manual.html#6.4">string</a></span>
+           <span class="types"><a class="type" href="https://www.lua.org/manual/5.1/manual.html#5.4">string</a></span>
         error message</li>
     </ol>
 
@@ -942,7 +942,7 @@ <h3>Parameters:</h3>
     <ul>
         <li><span class="parameter">fd</span>
             <span class="types"><span class="type">file</span></span>
-         file handle to operate on, one of <a href="https://www.lua.org/manual/5.4/manual.html#pdf-io.stdin">io.stdin</a>, <a href="https://www.lua.org/manual/5.4/manual.html#pdf-io.stdout">io.stdout</a>, <a href="https://www.lua.org/manual/5.4/manual.html#pdf-io.stderr">io.stderr</a>
+         file handle to operate on, one of <a href="https://www.lua.org/manual/5.1/manual.html#pdf-io.stdin">io.stdin</a>, <a href="https://www.lua.org/manual/5.1/manual.html#pdf-io.stdout">io.stdout</a>, <a href="https://www.lua.org/manual/5.1/manual.html#pdf-io.stderr">io.stderr</a>
         </li>
         <li><span class="parameter">make_non_block</span>
             <span class="types"><span class="type">boolean</span></span>
@@ -964,7 +964,7 @@ <h3>Or</h3>
 
 </li>
         <li>
-           <span class="types"><a class="type" href="https://www.lua.org/manual/5.4/manual.html#6.4">string</a></span>
+           <span class="types"><a class="type" href="https://www.lua.org/manual/5.1/manual.html#5.4">string</a></span>
         error message</li>
         <li>
            <span class="types"><span class="type">int</span></span>
@@ -1018,7 +1018,7 @@ <h3>Parameters:</h3>
     <ul>
         <li><span class="parameter">fd</span>
             <span class="types"><span class="type">file</span></span>
-         file handle to operate on, one of <a href="https://www.lua.org/manual/5.4/manual.html#pdf-io.stdin">io.stdin</a>, <a href="https://www.lua.org/manual/5.4/manual.html#pdf-io.stdout">io.stdout</a>, <a href="https://www.lua.org/manual/5.4/manual.html#pdf-io.stderr">io.stderr</a>
+         file handle to operate on, one of <a href="https://www.lua.org/manual/5.1/manual.html#pdf-io.stdin">io.stdin</a>, <a href="https://www.lua.org/manual/5.1/manual.html#pdf-io.stdout">io.stdout</a>, <a href="https://www.lua.org/manual/5.1/manual.html#pdf-io.stderr">io.stderr</a>
         </li>
     </ul>
 
@@ -1041,7 +1041,7 @@ <h3>Or</h3>
 
 </li>
         <li>
-           <span class="types"><a class="type" href="https://www.lua.org/manual/5.4/manual.html#6.4">string</a></span>
+           <span class="types"><a class="type" href="https://www.lua.org/manual/5.1/manual.html#5.4">string</a></span>
         error message</li>
         <li>
            <span class="types"><span class="type">int</span></span>
@@ -1082,7 +1082,7 @@ <h3>Parameters:</h3>
     <ul>
         <li><span class="parameter">fd</span>
             <span class="types"><span class="type">file</span></span>
-         file handle to operate on, one of <a href="https://www.lua.org/manual/5.4/manual.html#pdf-io.stdin">io.stdin</a>, <a href="https://www.lua.org/manual/5.4/manual.html#pdf-io.stdout">io.stdout</a>, <a href="https://www.lua.org/manual/5.4/manual.html#pdf-io.stderr">io.stderr</a>
+         file handle to operate on, one of <a href="https://www.lua.org/manual/5.1/manual.html#pdf-io.stdin">io.stdin</a>, <a href="https://www.lua.org/manual/5.1/manual.html#pdf-io.stdout">io.stdout</a>, <a href="https://www.lua.org/manual/5.1/manual.html#pdf-io.stderr">io.stderr</a>
         </li>
         <li><span class="parameter">actions</span>
             <span class="types"><span class="type">integer</span></span>
@@ -1119,7 +1119,7 @@ <h3>Or</h3>
         <li>
         nil</li>
         <li>
-           <span class="types"><a class="type" href="https://www.lua.org/manual/5.4/manual.html#6.4">string</a></span>
+           <span class="types"><a class="type" href="https://www.lua.org/manual/5.1/manual.html#5.4">string</a></span>
         error message</li>
         <li>
            <span class="types"><span class="type">int</span></span>
@@ -1172,7 +1172,7 @@ <h3>Returns:</h3>
     <h3>Parameters:</h3>
     <ul>
         <li><span class="parameter">backup</span>
-            <span class="types"><a class="type" href="https://www.lua.org/manual/5.4/manual.html#6.6">table</a></span>
+            <span class="types"><a class="type" href="https://www.lua.org/manual/5.1/manual.html#5.5">table</a></span>
          the backup of terminal settings, see <a href="../modules/system.html#termbackup">termbackup</a>.
         </li>
     </ul>
@@ -1214,7 +1214,7 @@ <h3>Or</h3>
 
 </li>
         <li>
-           <span class="types"><a class="type" href="https://www.lua.org/manual/5.4/manual.html#6.4">string</a></span>
+           <span class="types"><a class="type" href="https://www.lua.org/manual/5.1/manual.html#5.4">string</a></span>
         error message</li>
     </ol>
 
@@ -1261,7 +1261,7 @@ <h3>Returns:</h3>
     <h3>Parameters:</h3>
     <ul>
         <li><span class="parameter">utf8_char</span>
-            <span class="types"><a class="type" href="https://www.lua.org/manual/5.4/manual.html#6.4">string</a></span>
+            <span class="types"><a class="type" href="https://www.lua.org/manual/5.1/manual.html#5.4">string</a></span>
          the utf8 character to check, only the width of the first character will be returned
         </li>
     </ul>
@@ -1280,7 +1280,7 @@ <h3>Or</h3>
 
 </li>
         <li>
-           <span class="types"><a class="type" href="https://www.lua.org/manual/5.4/manual.html#6.4">string</a></span>
+           <span class="types"><a class="type" href="https://www.lua.org/manual/5.1/manual.html#5.4">string</a></span>
         error message</li>
     </ol>
 
@@ -1299,7 +1299,7 @@ <h3>Or</h3>
     <h3>Parameters:</h3>
     <ul>
         <li><span class="parameter">utf8_string</span>
-            <span class="types"><a class="type" href="https://www.lua.org/manual/5.4/manual.html#6.4">string</a></span>
+            <span class="types"><a class="type" href="https://www.lua.org/manual/5.1/manual.html#5.4">string</a></span>
          the utf8 string to check
         </li>
     </ul>
@@ -1318,7 +1318,7 @@ <h3>Or</h3>
 
 </li>
         <li>
-           <span class="types"><a class="type" href="https://www.lua.org/manual/5.4/manual.html#6.4">string</a></span>
+           <span class="types"><a class="type" href="https://www.lua.org/manual/5.1/manual.html#5.4">string</a></span>
         error message</li>
     </ol>
 
@@ -1410,8 +1410,8 @@ <h3>Returns:</h3>
 </div> <!-- id="content" -->
 </div> <!-- id="main" -->
 <div id="about">
-<i>generated by <a href="http://github.com/lunarmodules/LDoc">LDoc 1.5.0</a></i>
-<i style="float:right;">Last updated 2024-06-20 23:11:37 </i>
+<i>generated by <a href="http://github.com/lunarmodules/ldoc">LDoc 1.5.0</a></i>
+<i style="float:right;">Last updated 2024-06-25 08:55:25 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/topics/01-introduction.md.html b/docs/topics/01-introduction.md.html
index 019f7e4..9423c9a 100644
--- a/docs/topics/01-introduction.md.html
+++ b/docs/topics/01-introduction.md.html
@@ -38,8 +38,8 @@ <h2>Topics</h2>
   <li><strong>1. Introduction</strong></li>
   <li><a href="../topics/02-development.md.html">2. Development</a></li>
   <li><a href="../topics/03-terminal.md.html">3. Terminal functionality</a></li>
-  <li><a href="../topics/CHANGELOG.md.html">CHANGELOG</a></li>
-  <li><a href="../topics/LICENSE.md.html">MIT License</a></li>
+  <li><a href="../topics/changelog.md.html">CHANGELOG</a></li>
+  <li><a href="../topics/license.md.html">MIT License</a></li>
 </ul>
 <h2>Modules</h2>
 <ul class="nowrap">
@@ -83,8 +83,8 @@ <h1>1. Introduction</h1>
 </div> <!-- id="content" -->
 </div> <!-- id="main" -->
 <div id="about">
-<i>generated by <a href="http://github.com/lunarmodules/LDoc">LDoc 1.5.0</a></i>
-<i style="float:right;">Last updated 2024-06-20 23:11:37 </i>
+<i>generated by <a href="http://github.com/lunarmodules/ldoc">LDoc 1.5.0</a></i>
+<i style="float:right;">Last updated 2024-06-25 08:55:25 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/topics/02-development.md.html b/docs/topics/02-development.md.html
index e911eed..523ce5f 100644
--- a/docs/topics/02-development.md.html
+++ b/docs/topics/02-development.md.html
@@ -38,8 +38,8 @@ <h2>Topics</h2>
   <li><a href="../topics/01-introduction.md.html">1. Introduction</a></li>
   <li><strong>2. Development</strong></li>
   <li><a href="../topics/03-terminal.md.html">3. Terminal functionality</a></li>
-  <li><a href="../topics/CHANGELOG.md.html">CHANGELOG</a></li>
-  <li><a href="../topics/LICENSE.md.html">MIT License</a></li>
+  <li><a href="../topics/changelog.md.html">CHANGELOG</a></li>
+  <li><a href="../topics/license.md.html">MIT License</a></li>
 </ul>
 <h2>Modules</h2>
 <ul class="nowrap">
@@ -83,8 +83,8 @@ <h1>2. Development</h1>
 </div> <!-- id="content" -->
 </div> <!-- id="main" -->
 <div id="about">
-<i>generated by <a href="http://github.com/lunarmodules/LDoc">LDoc 1.5.0</a></i>
-<i style="float:right;">Last updated 2024-06-20 23:11:37 </i>
+<i>generated by <a href="http://github.com/lunarmodules/ldoc">LDoc 1.5.0</a></i>
+<i style="float:right;">Last updated 2024-06-25 08:55:25 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/topics/03-terminal.md.html b/docs/topics/03-terminal.md.html
index 3e7e548..90cf670 100644
--- a/docs/topics/03-terminal.md.html
+++ b/docs/topics/03-terminal.md.html
@@ -45,8 +45,8 @@ <h2>Topics</h2>
   <li><a href="../topics/01-introduction.md.html">1. Introduction</a></li>
   <li><a href="../topics/02-development.md.html">2. Development</a></li>
   <li><strong>3. Terminal functionality</strong></li>
-  <li><a href="../topics/CHANGELOG.md.html">CHANGELOG</a></li>
-  <li><a href="../topics/LICENSE.md.html">MIT License</a></li>
+  <li><a href="../topics/changelog.md.html">CHANGELOG</a></li>
+  <li><a href="../topics/license.md.html">MIT License</a></li>
 </ul>
 <h2>Modules</h2>
 <ul class="nowrap">
@@ -217,8 +217,8 @@ <h3>3.3.2 Blocking input</h3>
 </div> <!-- id="content" -->
 </div> <!-- id="main" -->
 <div id="about">
-<i>generated by <a href="http://github.com/lunarmodules/LDoc">LDoc 1.5.0</a></i>
-<i style="float:right;">Last updated 2024-06-20 23:11:37 </i>
+<i>generated by <a href="http://github.com/lunarmodules/ldoc">LDoc 1.5.0</a></i>
+<i style="float:right;">Last updated 2024-06-25 08:55:25 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/topics/CHANGELOG.md.html b/docs/topics/CHANGELOG.md.html
index da8ddde..47bcd35 100644
--- a/docs/topics/CHANGELOG.md.html
+++ b/docs/topics/CHANGELOG.md.html
@@ -44,7 +44,7 @@ <h2>Topics</h2>
   <li><a href="../topics/02-development.md.html">2. Development</a></li>
   <li><a href="../topics/03-terminal.md.html">3. Terminal functionality</a></li>
   <li><strong>CHANGELOG</strong></li>
-  <li><a href="../topics/LICENSE.md.html">MIT License</a></li>
+  <li><a href="../topics/license.md.html">MIT License</a></li>
 </ul>
 <h2>Modules</h2>
 <ul class="nowrap">
@@ -107,6 +107,12 @@ <h4>Releasing new versions</h4>
 <p><a name="Version_history"></a></p>
 <h2>Version history</h2>
 
+<h3>Version 0.4.1, released 25-Jun-2024</h3>
+
+<ul>
+    <li>Fix: when compiling with <code>msys2</code> the <code>conio.h</code> header is required</li>
+</ul>
+
 <h3>Version 0.4.0, released 20-Jun-2024</h3>
 
 <ul>
@@ -150,8 +156,8 @@ <h3>Version 0.1.0, released 11-Feb-2016</h3>
 </div> <!-- id="content" -->
 </div> <!-- id="main" -->
 <div id="about">
-<i>generated by <a href="http://github.com/lunarmodules/LDoc">LDoc 1.5.0</a></i>
-<i style="float:right;">Last updated 2024-06-20 23:11:37 </i>
+<i>generated by <a href="http://github.com/lunarmodules/ldoc">LDoc 1.5.0</a></i>
+<i style="float:right;">Last updated 2024-06-25 08:55:25 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/docs/topics/LICENSE.md.html b/docs/topics/LICENSE.md.html
index 9866af5..b5684db 100644
--- a/docs/topics/LICENSE.md.html
+++ b/docs/topics/LICENSE.md.html
@@ -38,7 +38,7 @@ <h2>Topics</h2>
   <li><a href="../topics/01-introduction.md.html">1. Introduction</a></li>
   <li><a href="../topics/02-development.md.html">2. Development</a></li>
   <li><a href="../topics/03-terminal.md.html">3. Terminal functionality</a></li>
-  <li><a href="../topics/CHANGELOG.md.html">CHANGELOG</a></li>
+  <li><a href="../topics/changelog.md.html">CHANGELOG</a></li>
   <li><strong>MIT License</strong></li>
 </ul>
 <h2>Modules</h2>
@@ -92,8 +92,8 @@ <h3>Copyright (c) 2016-2024 Oscar Lim</h3>
 </div> <!-- id="content" -->
 </div> <!-- id="main" -->
 <div id="about">
-<i>generated by <a href="http://github.com/lunarmodules/LDoc">LDoc 1.5.0</a></i>
-<i style="float:right;">Last updated 2024-06-20 23:11:37 </i>
+<i>generated by <a href="http://github.com/lunarmodules/ldoc">LDoc 1.5.0</a></i>
+<i style="float:right;">Last updated 2024-06-25 08:55:25 </i>
 </div> <!-- id="about" -->
 </div> <!-- id="container" -->
 </body>
diff --git a/rockspecs/luasystem-0.4.1-1.rockspec b/rockspecs/luasystem-0.4.1-1.rockspec
new file mode 100644
index 0000000..0c7a7c4
--- /dev/null
+++ b/rockspecs/luasystem-0.4.1-1.rockspec
@@ -0,0 +1,85 @@
+local package_name = "luasystem"
+local package_version = "0.4.1"
+local rockspec_revision = "1"
+local github_account_name = "lunarmodules"
+local github_repo_name = "luasystem"
+
+
+package = package_name
+version = package_version.."-"..rockspec_revision
+
+source = {
+  url = "git+https://github.com/"..github_account_name.."/"..github_repo_name..".git",
+  branch = (package_version == "scm") and "master" or nil,
+  tag = (package_version ~= "scm") and "v"..package_version or nil,
+}
+
+description = {
+  summary = 'Platform independent system calls for Lua.',
+  detailed = [[
+    Adds a Lua API for making platform independent system calls.
+  ]],
+  license = 'MIT <http://opensource.org/licenses/MIT>',
+  homepage = "https://github.com/"..github_account_name.."/"..github_repo_name,
+}
+
+dependencies = {
+  'lua >= 5.1',
+}
+
+local function make_platform(plat)
+  local defines = {
+    linux = { },
+    unix = { },
+    macosx = { },
+    win32 = { "WINVER=0x0600", "_WIN32_WINNT=0x0600" },
+    mingw32 = { "WINVER=0x0600", "_WIN32_WINNT=0x0600" },
+  }
+  local libraries = {
+    linux = { "rt" },
+    unix = { },
+    macosx = { },
+    win32 = { "advapi32", "winmm" },
+    mingw32 = { },
+  }
+  local libdirs = {
+    linux = nil,
+    unix = nil,
+    macosx = nil,
+    win32 = nil,
+    mingw32 = { },
+  }
+  return {
+    modules = {
+      ['system.core'] = {
+        sources = {
+          'src/core.c',
+          'src/compat.c',
+          'src/time.c',
+          'src/environment.c',
+          'src/random.c',
+          'src/term.c',
+          'src/bitflags.c',
+          'src/wcwidth.c',
+        },
+        defines = defines[plat],
+        libraries = libraries[plat],
+        libdirs = libdirs[plat],
+      },
+    },
+  }
+end
+
+build = {
+  type = 'builtin',
+  platforms = {
+    linux = make_platform('linux'),
+    unix = make_platform('unix'),
+    macosx = make_platform('macosx'),
+    win32 = make_platform('win32'),
+    mingw32 = make_platform('mingw32'),
+  },
+  modules = {
+    ['system.init'] = 'system/init.lua',
+  },
+}
diff --git a/src/core.c b/src/core.c
index 24764c5..741ffa9 100644
--- a/src/core.c
+++ b/src/core.c
@@ -4,7 +4,7 @@
 #include <lua.h>
 #include <lauxlib.h>
 
-#define LUASYSTEM_VERSION   "LuaSystem 0.4.0"
+#define LUASYSTEM_VERSION   "LuaSystem 0.4.1"
 
 #ifdef _WIN32
 #define LUAEXPORT __declspec(dllexport)