diff --git a/binaries/jSerialComm-2.4.1-test.jar b/binaries/jSerialComm-2.4.1-test.jar
deleted file mode 100644
index 685f649..0000000
Binary files a/binaries/jSerialComm-2.4.1-test.jar and /dev/null differ
diff --git a/binaries/jSerialComm-2.4.1.jar b/binaries/jSerialComm-2.4.1.jar
deleted file mode 100644
index ccfc50c..0000000
Binary files a/binaries/jSerialComm-2.4.1.jar and /dev/null differ
diff --git a/binaries/jSerialComm-2.4.2-test.jar b/binaries/jSerialComm-2.4.2-test.jar
new file mode 100644
index 0000000..780264c
Binary files /dev/null and b/binaries/jSerialComm-2.4.2-test.jar differ
diff --git a/binaries/jSerialComm-2.4.2.jar b/binaries/jSerialComm-2.4.2.jar
new file mode 100644
index 0000000..133755b
Binary files /dev/null and b/binaries/jSerialComm-2.4.2.jar differ
diff --git a/index.html b/index.html
index 5e65a75..bf441b6 100644
--- a/index.html
+++ b/index.html
@@ -29,7 +29,7 @@
             <section id="downloads">
               <a class="zip_download_link" href="https://github.com/Fazecast/jSerialComm/zipball/master">Download this project as a .zip file</a>
               <a class="tar_download_link" href="https://github.com/Fazecast/jSerialComm/tarball/master">Download this project as a tar.gz file</a>
-			  <a class="jar_download_link" href="binaries/jSerialComm-2.4.1.jar">Download this library as a .jar file</a>
+			  <a class="jar_download_link" href="binaries/jSerialComm-2.4.2.jar">Download this library as a .jar file</a>
             </section>
         </header>
     </div>
@@ -74,7 +74,7 @@
 
 		<h3><a class="anchor" aria-hidden="true"><span class="octicon octicon-link"></span></a>How can use this library in my own project?</h3>
 
-		<p>One of the most convenient features of this library is that it allows you to simply include the <a href="binaries/jSerialComm-2.4.1.jar">JAR file</a> in your custom project, and it will automatically select and load the correct native library for your platform and architecture. As such, you can make use of this library by simply copying the jSerialComm.jar file into your project directory and linking to it as you would any other JAR file.</p>
+		<p>One of the most convenient features of this library is that it allows you to simply include the <a href="binaries/jSerialComm-2.4.2.jar">JAR file</a> in your custom project, and it will automatically select and load the correct native library for your platform and architecture. As such, you can make use of this library by simply copying the jSerialComm.jar file into your project directory and linking to it as you would any other JAR file.</p>
 
 		<p>To access the contents of the library in your project, make sure to <code>import com.fazecast.jSerialComm.*</code> into your java files. You can then generate a list of all available serial ports on your system (real or virtual), by calling the following static method:</p>
 
diff --git a/javadoc/allclasses-frame.html b/javadoc/allclasses-frame.html
index 14aeda9..0060103 100644
--- a/javadoc/allclasses-frame.html
+++ b/javadoc/allclasses-frame.html
@@ -2,10 +2,10 @@
 <!-- NewPage -->
 <html lang="en">
 <head>
-<!-- Generated by javadoc (9.0.4) on Thu Dec 20 10:39:16 CST 2018 -->
-<title>All Classes (jSerialComm 2.4.0 API)</title>
+<!-- Generated by javadoc (9.0.4) on Thu Mar 07 13:59:39 CST 2019 -->
+<title>All Classes (jSerialComm 2.4.2 API)</title>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
-<meta name="date" content="2018-12-20">
+<meta name="date" content="2019-03-07">
 <link rel="stylesheet" type="text/css" href="stylesheet.css" title="Style">
 <link rel="stylesheet" type="text/css" href="jquery/jquery-ui.css" title="Style">
 <script type="text/javascript" src="script.js"></script>
diff --git a/javadoc/allclasses-noframe.html b/javadoc/allclasses-noframe.html
index a13e33b..c0f85fb 100644
--- a/javadoc/allclasses-noframe.html
+++ b/javadoc/allclasses-noframe.html
@@ -2,10 +2,10 @@
 <!-- NewPage -->
 <html lang="en">
 <head>
-<!-- Generated by javadoc (9.0.4) on Thu Dec 20 10:39:16 CST 2018 -->
-<title>All Classes (jSerialComm 2.4.0 API)</title>
+<!-- Generated by javadoc (9.0.4) on Thu Mar 07 13:59:39 CST 2019 -->
+<title>All Classes (jSerialComm 2.4.2 API)</title>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
-<meta name="date" content="2018-12-20">
+<meta name="date" content="2019-03-07">
 <link rel="stylesheet" type="text/css" href="stylesheet.css" title="Style">
 <link rel="stylesheet" type="text/css" href="jquery/jquery-ui.css" title="Style">
 <script type="text/javascript" src="script.js"></script>
diff --git a/javadoc/com/fazecast/jSerialComm/SerialPort.html b/javadoc/com/fazecast/jSerialComm/SerialPort.html
index 70cfa22..60247bf 100644
--- a/javadoc/com/fazecast/jSerialComm/SerialPort.html
+++ b/javadoc/com/fazecast/jSerialComm/SerialPort.html
@@ -2,10 +2,10 @@
 <!-- NewPage -->
 <html lang="en">
 <head>
-<!-- Generated by javadoc (9.0.4) on Thu Dec 20 10:39:15 CST 2018 -->
-<title>SerialPort (jSerialComm 2.4.0 API)</title>
+<!-- Generated by javadoc (9.0.4) on Thu Mar 07 13:59:38 CST 2019 -->
+<title>SerialPort (jSerialComm 2.4.2 API)</title>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
-<meta name="date" content="2018-12-20">
+<meta name="date" content="2019-03-07">
 <link rel="stylesheet" type="text/css" href="../../../stylesheet.css" title="Style">
 <link rel="stylesheet" type="text/css" href="../../../jquery/jquery-ui.css" title="Style">
 <script type="text/javascript" src="../../../script.js"></script>
@@ -21,13 +21,13 @@
 <script type="text/javascript"><!--
     try {
         if (location.href.indexOf('is-external=true') == -1) {
-            parent.document.title="SerialPort (jSerialComm 2.4.0 API)";
+            parent.document.title="SerialPort (jSerialComm 2.4.2 API)";
         }
     }
     catch(err) {
     }
 //-->
-var methods = {"i0":10,"i1":10,"i2":10,"i3":10,"i4":10,"i5":10,"i6":10,"i7":10,"i8":10,"i9":9,"i10":9,"i11":10,"i12":10,"i13":10,"i14":10,"i15":10,"i16":10,"i17":10,"i18":10,"i19":10,"i20":10,"i21":10,"i22":10,"i23":10,"i24":10,"i25":10,"i26":10,"i27":10,"i28":10,"i29":10,"i30":10,"i31":10,"i32":10,"i33":10,"i34":10,"i35":10,"i36":10,"i37":10,"i38":10,"i39":10,"i40":10,"i41":10,"i42":10,"i43":10};
+var methods = {"i0":10,"i1":10,"i2":10,"i3":10,"i4":10,"i5":10,"i6":10,"i7":10,"i8":10,"i9":9,"i10":9,"i11":10,"i12":10,"i13":10,"i14":10,"i15":10,"i16":10,"i17":10,"i18":10,"i19":10,"i20":10,"i21":10,"i22":10,"i23":10,"i24":10,"i25":10,"i26":10,"i27":10,"i28":10,"i29":10,"i30":10,"i31":10,"i32":10,"i33":10,"i34":10,"i35":10,"i36":10,"i37":10,"i38":10,"i39":10,"i40":10,"i41":10,"i42":10,"i43":10,"i44":10};
 var tabs = {65535:["t0","All Methods"],1:["t1","Static Methods"],2:["t2","Instance Methods"],8:["t4","Concrete Methods"]};
 var altColor = "altColor";
 var rowColor = "rowColor";
@@ -376,111 +376,118 @@ extends <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html
 </td>
 </tr>
 <tr id="i12" class="altColor">
+<td class="colFirst"><code>boolean</code></td>
+<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/fazecast/jSerialComm/SerialPort.html#getDCD--">getDCD</a></span>&#8203;()</code></th>
+<td class="colLast">
+<div class="block">Returns whether the DCD line is currently asserted.</div>
+</td>
+</tr>
+<tr id="i13" class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/fazecast/jSerialComm/SerialPort.html#getDescriptivePortName--">getDescriptivePortName</a></span>&#8203;()</code></th>
 <td class="colLast">
 <div class="block">Gets a descriptive string representing this serial port or the device connected to it.</div>
 </td>
 </tr>
-<tr id="i13" class="rowColor">
+<tr id="i14" class="altColor">
 <td class="colFirst"><code>boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/fazecast/jSerialComm/SerialPort.html#getDSR--">getDSR</a></span>&#8203;()</code></th>
 <td class="colLast">
 <div class="block">Returns whether the DSR line is currently asserted.</div>
 </td>
 </tr>
-<tr id="i14" class="altColor">
+<tr id="i15" class="rowColor">
 <td class="colFirst"><code>int</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/fazecast/jSerialComm/SerialPort.html#getFlowControlSettings--">getFlowControlSettings</a></span>&#8203;()</code></th>
 <td class="colLast">
 <div class="block">Returns the flow control settings enabled on this serial port.</div>
 </td>
 </tr>
-<tr id="i15" class="rowColor">
+<tr id="i16" class="altColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/9/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io">InputStream</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/fazecast/jSerialComm/SerialPort.html#getInputStream--">getInputStream</a></span>&#8203;()</code></th>
 <td class="colLast">
 <div class="block">Returns an <a href="https://docs.oracle.com/javase/9/docs/api/java/io/InputStream.html?is-external=true" title="class or interface in java.io"><code>InputStream</code></a> object associated with this serial port.</div>
 </td>
 </tr>
-<tr id="i16" class="altColor">
+<tr id="i17" class="rowColor">
 <td class="colFirst"><code>int</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/fazecast/jSerialComm/SerialPort.html#getNumDataBits--">getNumDataBits</a></span>&#8203;()</code></th>
 <td class="colLast">
 <div class="block">Gets the current number of data bits per word.</div>
 </td>
 </tr>
-<tr id="i17" class="rowColor">
+<tr id="i18" class="altColor">
 <td class="colFirst"><code>int</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/fazecast/jSerialComm/SerialPort.html#getNumStopBits--">getNumStopBits</a></span>&#8203;()</code></th>
 <td class="colLast">
 <div class="block">Gets the current number of stop bits per word.</div>
 </td>
 </tr>
-<tr id="i18" class="altColor">
+<tr id="i19" class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/9/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io">OutputStream</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/fazecast/jSerialComm/SerialPort.html#getOutputStream--">getOutputStream</a></span>&#8203;()</code></th>
 <td class="colLast">
 <div class="block">Returns an <a href="https://docs.oracle.com/javase/9/docs/api/java/io/OutputStream.html?is-external=true" title="class or interface in java.io"><code>OutputStream</code></a> object associated with this serial port.</div>
 </td>
 </tr>
-<tr id="i19" class="rowColor">
+<tr id="i20" class="altColor">
 <td class="colFirst"><code>int</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/fazecast/jSerialComm/SerialPort.html#getParity--">getParity</a></span>&#8203;()</code></th>
 <td class="colLast">
 <div class="block">Gets the current parity error-checking scheme.</div>
 </td>
 </tr>
-<tr id="i20" class="altColor">
+<tr id="i21" class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/fazecast/jSerialComm/SerialPort.html#getPortDescription--">getPortDescription</a></span>&#8203;()</code></th>
 <td class="colLast">
 <div class="block">Gets a description of the port as reported by the device itself.</div>
 </td>
 </tr>
-<tr id="i21" class="rowColor">
+<tr id="i22" class="altColor">
 <td class="colFirst"><code>int</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/fazecast/jSerialComm/SerialPort.html#getReadTimeout--">getReadTimeout</a></span>&#8203;()</code></th>
 <td class="colLast">
 <div class="block">Gets the number of milliseconds of inactivity to tolerate before returning from a <a href="../../../com/fazecast/jSerialComm/SerialPort.html#readBytes-byte:A-long-"><code>readBytes(byte[],long)</code></a> call.</div>
 </td>
 </tr>
-<tr id="i22" class="altColor">
+<tr id="i23" class="rowColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/fazecast/jSerialComm/SerialPort.html#getSystemPortName--">getSystemPortName</a></span>&#8203;()</code></th>
 <td class="colLast">
 <div class="block">Gets the operating system-defined device name corresponding to this serial port.</div>
 </td>
 </tr>
-<tr id="i23" class="rowColor">
+<tr id="i24" class="altColor">
 <td class="colFirst"><code>int</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/fazecast/jSerialComm/SerialPort.html#getWriteTimeout--">getWriteTimeout</a></span>&#8203;()</code></th>
 <td class="colLast">
 <div class="block">Gets the number of milliseconds of inactivity to tolerate before returning from a <a href="../../../com/fazecast/jSerialComm/SerialPort.html#writeBytes-byte:A-long-"><code>writeBytes(byte[],long)</code></a> call.</div>
 </td>
 </tr>
-<tr id="i24" class="altColor">
+<tr id="i25" class="rowColor">
 <td class="colFirst"><code>boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/fazecast/jSerialComm/SerialPort.html#isOpen--">isOpen</a></span>&#8203;()</code></th>
 <td class="colLast">
 <div class="block">Returns whether the port is currently open and available for communication.</div>
 </td>
 </tr>
-<tr id="i25" class="rowColor">
+<tr id="i26" class="altColor">
 <td class="colFirst"><code>boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/fazecast/jSerialComm/SerialPort.html#openPort--">openPort</a></span>&#8203;()</code></th>
 <td class="colLast">
 <div class="block">Opens this serial port for reading and writing.</div>
 </td>
 </tr>
-<tr id="i26" class="altColor">
+<tr id="i27" class="rowColor">
 <td class="colFirst"><code>boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/fazecast/jSerialComm/SerialPort.html#openPort-int-">openPort</a></span>&#8203;(int&nbsp;safetySleepTime)</code></th>
 <td class="colLast">
 <div class="block">Opens this serial port for reading and writing with an optional delay time.</div>
 </td>
 </tr>
-<tr id="i27" class="rowColor">
+<tr id="i28" class="altColor">
 <td class="colFirst"><code>boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/fazecast/jSerialComm/SerialPort.html#openPort-int-int-int-">openPort</a></span>&#8203;(int&nbsp;safetySleepTime,
         int&nbsp;deviceSendQueueSize,
@@ -489,7 +496,7 @@ extends <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html
 <div class="block">Opens this serial port for reading and writing with an optional delay time and user-specified device buffer size.</div>
 </td>
 </tr>
-<tr id="i28" class="altColor">
+<tr id="i29" class="rowColor">
 <td class="colFirst"><code>int</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/fazecast/jSerialComm/SerialPort.html#readBytes-byte:A-long-">readBytes</a></span>&#8203;(byte[]&nbsp;buffer,
          long&nbsp;bytesToRead)</code></th>
@@ -497,7 +504,7 @@ extends <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html
 <div class="block">Reads up to <i>bytesToRead</i> raw data bytes from the serial port and stores them in the buffer.</div>
 </td>
 </tr>
-<tr id="i29" class="rowColor">
+<tr id="i30" class="altColor">
 <td class="colFirst"><code>int</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/fazecast/jSerialComm/SerialPort.html#readBytes-byte:A-long-long-">readBytes</a></span>&#8203;(byte[]&nbsp;buffer,
          long&nbsp;bytesToRead,
@@ -506,28 +513,28 @@ extends <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html
 <div class="block">Reads up to <i>bytesToRead</i> raw data bytes from the serial port and stores them in the buffer starting at the indicated offset.</div>
 </td>
 </tr>
-<tr id="i30" class="altColor">
+<tr id="i31" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/fazecast/jSerialComm/SerialPort.html#removeDataListener--">removeDataListener</a></span>&#8203;()</code></th>
 <td class="colLast">
 <div class="block">Removes the associated <a href="../../../com/fazecast/jSerialComm/SerialPortDataListener.html" title="interface in com.fazecast.jSerialComm"><code>SerialPortDataListener</code></a> from the serial port interface.</div>
 </td>
 </tr>
-<tr id="i31" class="rowColor">
+<tr id="i32" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/fazecast/jSerialComm/SerialPort.html#setBaudRate-int-">setBaudRate</a></span>&#8203;(int&nbsp;newBaudRate)</code></th>
 <td class="colLast">
 <div class="block">Sets the desired baud rate for this serial port.</div>
 </td>
 </tr>
-<tr id="i32" class="altColor">
+<tr id="i33" class="rowColor">
 <td class="colFirst"><code>boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/fazecast/jSerialComm/SerialPort.html#setBreak--">setBreak</a></span>&#8203;()</code></th>
 <td class="colLast">
 <div class="block">Sets the BREAK signal on the serial control line.</div>
 </td>
 </tr>
-<tr id="i33" class="rowColor">
+<tr id="i34" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/fazecast/jSerialComm/SerialPort.html#setComPortParameters-int-int-int-int-">setComPortParameters</a></span>&#8203;(int&nbsp;newBaudRate,
                     int&nbsp;newDataBits,
@@ -537,7 +544,7 @@ extends <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html
 <div class="block">Sets all serial port parameters at one time.</div>
 </td>
 </tr>
-<tr id="i34" class="altColor">
+<tr id="i35" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/fazecast/jSerialComm/SerialPort.html#setComPortTimeouts-int-int-int-">setComPortTimeouts</a></span>&#8203;(int&nbsp;newTimeoutMode,
                   int&nbsp;newReadTimeout,
@@ -546,56 +553,56 @@ extends <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html
 <div class="block">Sets the serial port read and write timeout parameters.</div>
 </td>
 </tr>
-<tr id="i35" class="rowColor">
+<tr id="i36" class="altColor">
 <td class="colFirst"><code>boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/fazecast/jSerialComm/SerialPort.html#setDTR--">setDTR</a></span>&#8203;()</code></th>
 <td class="colLast">
 <div class="block">Sets the state of the DTR line to 1.</div>
 </td>
 </tr>
-<tr id="i36" class="altColor">
+<tr id="i37" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/fazecast/jSerialComm/SerialPort.html#setFlowControl-int-">setFlowControl</a></span>&#8203;(int&nbsp;newFlowControlSettings)</code></th>
 <td class="colLast">
 <div class="block">Specifies what kind of flow control to enable for this serial port.</div>
 </td>
 </tr>
-<tr id="i37" class="rowColor">
+<tr id="i38" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/fazecast/jSerialComm/SerialPort.html#setNumDataBits-int-">setNumDataBits</a></span>&#8203;(int&nbsp;newDataBits)</code></th>
 <td class="colLast">
 <div class="block">Sets the desired number of data bits per word.</div>
 </td>
 </tr>
-<tr id="i38" class="altColor">
+<tr id="i39" class="rowColor">
 <td class="colFirst"><code>void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/fazecast/jSerialComm/SerialPort.html#setNumStopBits-int-">setNumStopBits</a></span>&#8203;(int&nbsp;newStopBits)</code></th>
 <td class="colLast">
 <div class="block">Sets the desired number of stop bits per word.</div>
 </td>
 </tr>
-<tr id="i39" class="rowColor">
+<tr id="i40" class="altColor">
 <td class="colFirst"><code>void</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/fazecast/jSerialComm/SerialPort.html#setParity-int-">setParity</a></span>&#8203;(int&nbsp;newParity)</code></th>
 <td class="colLast">
 <div class="block">Sets the desired parity error-detection scheme to be used.</div>
 </td>
 </tr>
-<tr id="i40" class="altColor">
+<tr id="i41" class="rowColor">
 <td class="colFirst"><code>boolean</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/fazecast/jSerialComm/SerialPort.html#setRTS--">setRTS</a></span>&#8203;()</code></th>
 <td class="colLast">
 <div class="block">Sets the state of the RTS line to 1.</div>
 </td>
 </tr>
-<tr id="i41" class="rowColor">
+<tr id="i42" class="altColor">
 <td class="colFirst"><code><a href="https://docs.oracle.com/javase/9/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/fazecast/jSerialComm/SerialPort.html#toString--">toString</a></span>&#8203;()</code></th>
 <td class="colLast">
 <div class="block">Returns the same output as calling <a href="../../../com/fazecast/jSerialComm/SerialPort.html#getPortDescription--"><code>getPortDescription()</code></a>.</div>
 </td>
 </tr>
-<tr id="i42" class="altColor">
+<tr id="i43" class="rowColor">
 <td class="colFirst"><code>int</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/fazecast/jSerialComm/SerialPort.html#writeBytes-byte:A-long-">writeBytes</a></span>&#8203;(byte[]&nbsp;buffer,
           long&nbsp;bytesToWrite)</code></th>
@@ -603,7 +610,7 @@ extends <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html
 <div class="block">Writes up to <i>bytesToWrite</i> raw data bytes from the buffer parameter to the serial port.</div>
 </td>
 </tr>
-<tr id="i43" class="rowColor">
+<tr id="i44" class="altColor">
 <td class="colFirst"><code>int</code></td>
 <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="../../../com/fazecast/jSerialComm/SerialPort.html#writeBytes-byte:A-long-long-">writeBytes</a></span>&#8203;(byte[]&nbsp;buffer,
           long&nbsp;bytesToWrite,
@@ -1347,6 +1354,20 @@ extends <a href="https://docs.oracle.com/javase/9/docs/api/java/lang/Object.html
 </dl>
 </li>
 </ul>
+<a name="getDCD--">
+<!--   -->
+</a>
+<ul class="blockList">
+<li class="blockList">
+<h4>getDCD</h4>
+<pre>public final&nbsp;boolean&nbsp;getDCD&#8203;()</pre>
+<div class="block">Returns whether the DCD line is currently asserted.</div>
+<dl>
+<dt><span class="returnLabel">Returns:</span></dt>
+<dd>Whether or not the DCD line is asserted.</dd>
+</dl>
+</li>
+</ul>
 <a name="addDataListener-com.fazecast.jSerialComm.SerialPortDataListener-">
 <!--   -->
 </a>
diff --git a/javadoc/com/fazecast/jSerialComm/SerialPortDataListener.html b/javadoc/com/fazecast/jSerialComm/SerialPortDataListener.html
index 03be3f3..c52148c 100644
--- a/javadoc/com/fazecast/jSerialComm/SerialPortDataListener.html
+++ b/javadoc/com/fazecast/jSerialComm/SerialPortDataListener.html
@@ -2,10 +2,10 @@
 <!-- NewPage -->
 <html lang="en">
 <head>
-<!-- Generated by javadoc (9.0.4) on Thu Dec 20 10:39:15 CST 2018 -->
-<title>SerialPortDataListener (jSerialComm 2.4.0 API)</title>
+<!-- Generated by javadoc (9.0.4) on Thu Mar 07 13:59:38 CST 2019 -->
+<title>SerialPortDataListener (jSerialComm 2.4.2 API)</title>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
-<meta name="date" content="2018-12-20">
+<meta name="date" content="2019-03-07">
 <link rel="stylesheet" type="text/css" href="../../../stylesheet.css" title="Style">
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@@ -21,7 +21,7 @@
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-            parent.document.title="SerialPortDataListener (jSerialComm 2.4.0 API)";
+            parent.document.title="SerialPortDataListener (jSerialComm 2.4.2 API)";
         }
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     catch(err) {
diff --git a/javadoc/com/fazecast/jSerialComm/SerialPortEvent.html b/javadoc/com/fazecast/jSerialComm/SerialPortEvent.html
index e87ae7d..e0300dc 100644
--- a/javadoc/com/fazecast/jSerialComm/SerialPortEvent.html
+++ b/javadoc/com/fazecast/jSerialComm/SerialPortEvent.html
@@ -2,10 +2,10 @@
 <!-- NewPage -->
 <html lang="en">
 <head>
-<!-- Generated by javadoc (9.0.4) on Thu Dec 20 10:39:15 CST 2018 -->
-<title>SerialPortEvent (jSerialComm 2.4.0 API)</title>
+<!-- Generated by javadoc (9.0.4) on Thu Mar 07 13:59:38 CST 2019 -->
+<title>SerialPortEvent (jSerialComm 2.4.2 API)</title>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
-<meta name="date" content="2018-12-20">
+<meta name="date" content="2019-03-07">
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@@ -21,7 +21,7 @@
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-            parent.document.title="SerialPortEvent (jSerialComm 2.4.0 API)";
+            parent.document.title="SerialPortEvent (jSerialComm 2.4.2 API)";
         }
     }
     catch(err) {
diff --git a/javadoc/com/fazecast/jSerialComm/SerialPortIOException.html b/javadoc/com/fazecast/jSerialComm/SerialPortIOException.html
index ac10256..57a5de3 100644
--- a/javadoc/com/fazecast/jSerialComm/SerialPortIOException.html
+++ b/javadoc/com/fazecast/jSerialComm/SerialPortIOException.html
@@ -2,10 +2,10 @@
 <!-- NewPage -->
 <html lang="en">
 <head>
-<!-- Generated by javadoc (9.0.4) on Thu Dec 20 10:39:15 CST 2018 -->
-<title>SerialPortIOException (jSerialComm 2.4.0 API)</title>
+<!-- Generated by javadoc (9.0.4) on Thu Mar 07 13:59:38 CST 2019 -->
+<title>SerialPortIOException (jSerialComm 2.4.2 API)</title>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
-<meta name="date" content="2018-12-20">
+<meta name="date" content="2019-03-07">
 <link rel="stylesheet" type="text/css" href="../../../stylesheet.css" title="Style">
 <link rel="stylesheet" type="text/css" href="../../../jquery/jquery-ui.css" title="Style">
 <script type="text/javascript" src="../../../script.js"></script>
@@ -21,7 +21,7 @@
 <script type="text/javascript"><!--
     try {
         if (location.href.indexOf('is-external=true') == -1) {
-            parent.document.title="SerialPortIOException (jSerialComm 2.4.0 API)";
+            parent.document.title="SerialPortIOException (jSerialComm 2.4.2 API)";
         }
     }
     catch(err) {
diff --git a/javadoc/com/fazecast/jSerialComm/SerialPortPacketListener.html b/javadoc/com/fazecast/jSerialComm/SerialPortPacketListener.html
index 22fca03..7ef3506 100644
--- a/javadoc/com/fazecast/jSerialComm/SerialPortPacketListener.html
+++ b/javadoc/com/fazecast/jSerialComm/SerialPortPacketListener.html
@@ -2,10 +2,10 @@
 <!-- NewPage -->
 <html lang="en">
 <head>
-<!-- Generated by javadoc (9.0.4) on Thu Dec 20 10:39:16 CST 2018 -->
-<title>SerialPortPacketListener (jSerialComm 2.4.0 API)</title>
+<!-- Generated by javadoc (9.0.4) on Thu Mar 07 13:59:38 CST 2019 -->
+<title>SerialPortPacketListener (jSerialComm 2.4.2 API)</title>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
-<meta name="date" content="2018-12-20">
+<meta name="date" content="2019-03-07">
 <link rel="stylesheet" type="text/css" href="../../../stylesheet.css" title="Style">
 <link rel="stylesheet" type="text/css" href="../../../jquery/jquery-ui.css" title="Style">
 <script type="text/javascript" src="../../../script.js"></script>
@@ -21,7 +21,7 @@
 <script type="text/javascript"><!--
     try {
         if (location.href.indexOf('is-external=true') == -1) {
-            parent.document.title="SerialPortPacketListener (jSerialComm 2.4.0 API)";
+            parent.document.title="SerialPortPacketListener (jSerialComm 2.4.2 API)";
         }
     }
     catch(err) {
diff --git a/javadoc/com/fazecast/jSerialComm/SerialPortTimeoutException.html b/javadoc/com/fazecast/jSerialComm/SerialPortTimeoutException.html
index 9da7110..cde978d 100644
--- a/javadoc/com/fazecast/jSerialComm/SerialPortTimeoutException.html
+++ b/javadoc/com/fazecast/jSerialComm/SerialPortTimeoutException.html
@@ -2,10 +2,10 @@
 <!-- NewPage -->
 <html lang="en">
 <head>
-<!-- Generated by javadoc (9.0.4) on Thu Dec 20 10:39:16 CST 2018 -->
-<title>SerialPortTimeoutException (jSerialComm 2.4.0 API)</title>
+<!-- Generated by javadoc (9.0.4) on Thu Mar 07 13:59:38 CST 2019 -->
+<title>SerialPortTimeoutException (jSerialComm 2.4.2 API)</title>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
-<meta name="date" content="2018-12-20">
+<meta name="date" content="2019-03-07">
 <link rel="stylesheet" type="text/css" href="../../../stylesheet.css" title="Style">
 <link rel="stylesheet" type="text/css" href="../../../jquery/jquery-ui.css" title="Style">
 <script type="text/javascript" src="../../../script.js"></script>
@@ -21,7 +21,7 @@
 <script type="text/javascript"><!--
     try {
         if (location.href.indexOf('is-external=true') == -1) {
-            parent.document.title="SerialPortTimeoutException (jSerialComm 2.4.0 API)";
+            parent.document.title="SerialPortTimeoutException (jSerialComm 2.4.2 API)";
         }
     }
     catch(err) {
diff --git a/javadoc/com/fazecast/jSerialComm/package-frame.html b/javadoc/com/fazecast/jSerialComm/package-frame.html
index 9ccce48..ed41765 100644
--- a/javadoc/com/fazecast/jSerialComm/package-frame.html
+++ b/javadoc/com/fazecast/jSerialComm/package-frame.html
@@ -2,10 +2,10 @@
 <!-- NewPage -->
 <html lang="en">
 <head>
-<!-- Generated by javadoc (9.0.4) on Thu Dec 20 10:39:16 CST 2018 -->
-<title>com.fazecast.jSerialComm (jSerialComm 2.4.0 API)</title>
+<!-- Generated by javadoc (9.0.4) on Thu Mar 07 13:59:38 CST 2019 -->
+<title>com.fazecast.jSerialComm (jSerialComm 2.4.2 API)</title>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
-<meta name="date" content="2018-12-20">
+<meta name="date" content="2019-03-07">
 <link rel="stylesheet" type="text/css" href="../../../stylesheet.css" title="Style">
 <link rel="stylesheet" type="text/css" href="../../../jquery/jquery-ui.css" title="Style">
 <script type="text/javascript" src="../../../script.js"></script>
diff --git a/javadoc/com/fazecast/jSerialComm/package-summary.html b/javadoc/com/fazecast/jSerialComm/package-summary.html
index 78d1368..22aba4e 100644
--- a/javadoc/com/fazecast/jSerialComm/package-summary.html
+++ b/javadoc/com/fazecast/jSerialComm/package-summary.html
@@ -2,10 +2,10 @@
 <!-- NewPage -->
 <html lang="en">
 <head>
-<!-- Generated by javadoc (9.0.4) on Thu Dec 20 10:39:16 CST 2018 -->
-<title>com.fazecast.jSerialComm (jSerialComm 2.4.0 API)</title>
+<!-- Generated by javadoc (9.0.4) on Thu Mar 07 13:59:38 CST 2019 -->
+<title>com.fazecast.jSerialComm (jSerialComm 2.4.2 API)</title>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
-<meta name="date" content="2018-12-20">
+<meta name="date" content="2019-03-07">
 <link rel="stylesheet" type="text/css" href="../../../stylesheet.css" title="Style">
 <link rel="stylesheet" type="text/css" href="../../../jquery/jquery-ui.css" title="Style">
 <script type="text/javascript" src="../../../script.js"></script>
@@ -21,7 +21,7 @@
 <script type="text/javascript"><!--
     try {
         if (location.href.indexOf('is-external=true') == -1) {
-            parent.document.title="com.fazecast.jSerialComm (jSerialComm 2.4.0 API)";
+            parent.document.title="com.fazecast.jSerialComm (jSerialComm 2.4.2 API)";
         }
     }
     catch(err) {
diff --git a/javadoc/com/fazecast/jSerialComm/package-tree.html b/javadoc/com/fazecast/jSerialComm/package-tree.html
index 34ebb74..5805a05 100644
--- a/javadoc/com/fazecast/jSerialComm/package-tree.html
+++ b/javadoc/com/fazecast/jSerialComm/package-tree.html
@@ -2,10 +2,10 @@
 <!-- NewPage -->
 <html lang="en">
 <head>
-<!-- Generated by javadoc (9.0.4) on Thu Dec 20 10:39:16 CST 2018 -->
-<title>com.fazecast.jSerialComm Class Hierarchy (jSerialComm 2.4.0 API)</title>
+<!-- Generated by javadoc (9.0.4) on Thu Mar 07 13:59:38 CST 2019 -->
+<title>com.fazecast.jSerialComm Class Hierarchy (jSerialComm 2.4.2 API)</title>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
-<meta name="date" content="2018-12-20">
+<meta name="date" content="2019-03-07">
 <link rel="stylesheet" type="text/css" href="../../../stylesheet.css" title="Style">
 <link rel="stylesheet" type="text/css" href="../../../jquery/jquery-ui.css" title="Style">
 <script type="text/javascript" src="../../../script.js"></script>
@@ -21,7 +21,7 @@
 <script type="text/javascript"><!--
     try {
         if (location.href.indexOf('is-external=true') == -1) {
-            parent.document.title="com.fazecast.jSerialComm Class Hierarchy (jSerialComm 2.4.0 API)";
+            parent.document.title="com.fazecast.jSerialComm Class Hierarchy (jSerialComm 2.4.2 API)";
         }
     }
     catch(err) {
diff --git a/javadoc/constant-values.html b/javadoc/constant-values.html
index 299e186..6522fd9 100644
--- a/javadoc/constant-values.html
+++ b/javadoc/constant-values.html
@@ -2,10 +2,10 @@
 <!-- NewPage -->
 <html lang="en">
 <head>
-<!-- Generated by javadoc (9.0.4) on Thu Dec 20 10:39:16 CST 2018 -->
-<title>Constant Field Values (jSerialComm 2.4.0 API)</title>
+<!-- Generated by javadoc (9.0.4) on Thu Mar 07 13:59:38 CST 2019 -->
+<title>Constant Field Values (jSerialComm 2.4.2 API)</title>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
-<meta name="date" content="2018-12-20">
+<meta name="date" content="2019-03-07">
 <link rel="stylesheet" type="text/css" href="stylesheet.css" title="Style">
 <link rel="stylesheet" type="text/css" href="jquery/jquery-ui.css" title="Style">
 <script type="text/javascript" src="script.js"></script>
@@ -21,7 +21,7 @@
 <script type="text/javascript"><!--
     try {
         if (location.href.indexOf('is-external=true') == -1) {
-            parent.document.title="Constant Field Values (jSerialComm 2.4.0 API)";
+            parent.document.title="Constant Field Values (jSerialComm 2.4.2 API)";
         }
     }
     catch(err) {
diff --git a/javadoc/deprecated-list.html b/javadoc/deprecated-list.html
index a68e8f1..ce0bd9a 100644
--- a/javadoc/deprecated-list.html
+++ b/javadoc/deprecated-list.html
@@ -2,10 +2,10 @@
 <!-- NewPage -->
 <html lang="en">
 <head>
-<!-- Generated by javadoc (9.0.4) on Thu Dec 20 10:39:16 CST 2018 -->
-<title>Deprecated List (jSerialComm 2.4.0 API)</title>
+<!-- Generated by javadoc (9.0.4) on Thu Mar 07 13:59:39 CST 2019 -->
+<title>Deprecated List (jSerialComm 2.4.2 API)</title>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
-<meta name="date" content="2018-12-20">
+<meta name="date" content="2019-03-07">
 <link rel="stylesheet" type="text/css" href="stylesheet.css" title="Style">
 <link rel="stylesheet" type="text/css" href="jquery/jquery-ui.css" title="Style">
 <script type="text/javascript" src="script.js"></script>
@@ -21,7 +21,7 @@
 <script type="text/javascript"><!--
     try {
         if (location.href.indexOf('is-external=true') == -1) {
-            parent.document.title="Deprecated List (jSerialComm 2.4.0 API)";
+            parent.document.title="Deprecated List (jSerialComm 2.4.2 API)";
         }
     }
     catch(err) {
diff --git a/javadoc/help-doc.html b/javadoc/help-doc.html
index 12f6dcb..e4ad679 100644
--- a/javadoc/help-doc.html
+++ b/javadoc/help-doc.html
@@ -2,10 +2,10 @@
 <!-- NewPage -->
 <html lang="en">
 <head>
-<!-- Generated by javadoc (9.0.4) on Thu Dec 20 10:39:16 CST 2018 -->
-<title>API Help (jSerialComm 2.4.0 API)</title>
+<!-- Generated by javadoc (9.0.4) on Thu Mar 07 13:59:39 CST 2019 -->
+<title>API Help (jSerialComm 2.4.2 API)</title>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
-<meta name="date" content="2018-12-20">
+<meta name="date" content="2019-03-07">
 <link rel="stylesheet" type="text/css" href="stylesheet.css" title="Style">
 <link rel="stylesheet" type="text/css" href="jquery/jquery-ui.css" title="Style">
 <script type="text/javascript" src="script.js"></script>
@@ -21,7 +21,7 @@
 <script type="text/javascript"><!--
     try {
         if (location.href.indexOf('is-external=true') == -1) {
-            parent.document.title="API Help (jSerialComm 2.4.0 API)";
+            parent.document.title="API Help (jSerialComm 2.4.2 API)";
         }
     }
     catch(err) {
diff --git a/javadoc/index-all.html b/javadoc/index-all.html
index 12a8483..a85edb0 100644
--- a/javadoc/index-all.html
+++ b/javadoc/index-all.html
@@ -2,10 +2,10 @@
 <!-- NewPage -->
 <html lang="en">
 <head>
-<!-- Generated by javadoc (9.0.4) on Thu Dec 20 10:39:16 CST 2018 -->
-<title>Index (jSerialComm 2.4.0 API)</title>
+<!-- Generated by javadoc (9.0.4) on Thu Mar 07 13:59:38 CST 2019 -->
+<title>Index (jSerialComm 2.4.2 API)</title>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
-<meta name="date" content="2018-12-20">
+<meta name="date" content="2019-03-07">
 <link rel="stylesheet" type="text/css" href="stylesheet.css" title="Style">
 <link rel="stylesheet" type="text/css" href="jquery/jquery-ui.css" title="Style">
 <script type="text/javascript" src="script.js"></script>
@@ -21,7 +21,7 @@
 <script type="text/javascript"><!--
     try {
         if (location.href.indexOf('is-external=true') == -1) {
-            parent.document.title="Index (jSerialComm 2.4.0 API)";
+            parent.document.title="Index (jSerialComm 2.4.2 API)";
         }
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     catch(err) {
@@ -200,6 +200,10 @@ $('.navPadding').css('padding-top', $('.fixedNav').css("height"));
 <dd>
 <div class="block">Returns whether the CTS line is currently asserted.</div>
 </dd>
+<dt><span class="memberNameLink"><a href="com/fazecast/jSerialComm/SerialPort.html#getDCD--">getDCD()</a></span> - Method in class com.fazecast.jSerialComm.<a href="com/fazecast/jSerialComm/SerialPort.html" title="class in com.fazecast.jSerialComm">SerialPort</a></dt>
+<dd>
+<div class="block">Returns whether the DCD line is currently asserted.</div>
+</dd>
 <dt><span class="memberNameLink"><a href="com/fazecast/jSerialComm/SerialPort.html#getDescriptivePortName--">getDescriptivePortName()</a></span> - Method in class com.fazecast.jSerialComm.<a href="com/fazecast/jSerialComm/SerialPort.html" title="class in com.fazecast.jSerialComm">SerialPort</a></dt>
 <dd>
 <div class="block">Gets a descriptive string representing this serial port or the device connected to it.</div>
diff --git a/javadoc/index.html b/javadoc/index.html
index 87880bb..9ce74ad 100644
--- a/javadoc/index.html
+++ b/javadoc/index.html
@@ -2,8 +2,8 @@
 <!-- NewPage -->
 <html lang="en">
 <head>
-<!-- Generated by javadoc (9.0.4) on Thu Dec 20 10:39:16 CST 2018 -->
-<title>jSerialComm 2.4.0 API</title>
+<!-- Generated by javadoc (9.0.4) on Thu Mar 07 13:59:39 CST 2019 -->
+<title>jSerialComm 2.4.2 API</title>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
 <link rel="stylesheet" type="text/css" href="stylesheet.css" title="Style">
 <script type="text/javascript">
diff --git a/javadoc/member-search-index.js b/javadoc/member-search-index.js
index e1dd2c1..02fa5fb 100644
--- a/javadoc/member-search-index.js
+++ b/javadoc/member-search-index.js
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\ No newline at end of file
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\ No newline at end of file
diff --git a/javadoc/member-search-index.zip b/javadoc/member-search-index.zip
index a728683..bcebd5e 100644
Binary files a/javadoc/member-search-index.zip and b/javadoc/member-search-index.zip differ
diff --git a/javadoc/overview-tree.html b/javadoc/overview-tree.html
index aa99c03..a2b188e 100644
--- a/javadoc/overview-tree.html
+++ b/javadoc/overview-tree.html
@@ -2,10 +2,10 @@
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 <html lang="en">
 <head>
-<!-- Generated by javadoc (9.0.4) on Thu Dec 20 10:39:16 CST 2018 -->
-<title>Class Hierarchy (jSerialComm 2.4.0 API)</title>
+<!-- Generated by javadoc (9.0.4) on Thu Mar 07 13:59:38 CST 2019 -->
+<title>Class Hierarchy (jSerialComm 2.4.2 API)</title>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
-<meta name="date" content="2018-12-20">
+<meta name="date" content="2019-03-07">
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@@ -21,7 +21,7 @@
 <script type="text/javascript"><!--
     try {
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-            parent.document.title="Class Hierarchy (jSerialComm 2.4.0 API)";
+            parent.document.title="Class Hierarchy (jSerialComm 2.4.2 API)";
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diff --git a/javadoc/package-search-index.zip b/javadoc/package-search-index.zip
index 335e92e..5d55cb3 100644
Binary files a/javadoc/package-search-index.zip and b/javadoc/package-search-index.zip differ
diff --git a/javadoc/serialized-form.html b/javadoc/serialized-form.html
index b7a3944..bdc24dc 100644
--- a/javadoc/serialized-form.html
+++ b/javadoc/serialized-form.html
@@ -2,10 +2,10 @@
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-<!-- Generated by javadoc (9.0.4) on Thu Dec 20 10:39:16 CST 2018 -->
-<title>Serialized Form (jSerialComm 2.4.0 API)</title>
+<!-- Generated by javadoc (9.0.4) on Thu Mar 07 13:59:38 CST 2019 -->
+<title>Serialized Form (jSerialComm 2.4.2 API)</title>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
-<meta name="date" content="2018-12-20">
+<meta name="date" content="2019-03-07">
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@@ -21,7 +21,7 @@
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-            parent.document.title="Serialized Form (jSerialComm 2.4.0 API)";
+            parent.document.title="Serialized Form (jSerialComm 2.4.2 API)";
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diff --git a/javadoc/type-search-index.zip b/javadoc/type-search-index.zip
index 2fef4b3..5433540 100644
Binary files a/javadoc/type-search-index.zip and b/javadoc/type-search-index.zip differ
