diff --git a/ChangeLog b/ChangeLog
index 802935f0..9ded0b4a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -16684,3 +16684,6 @@
 	a segfault.
 2018-08-29 Fred Gleason <fredg@paravelsystems.com>
 	* Incremented the package version to 2.19.2int02.
+2018-09-03 Fred Gleason <fredg@paravelsystems.com>
+	* Renamed the 'Add Next' ['PX'] RML to 'Insert Cart' ['PX'].
+	* Added an 'offset' parameter to the 'Insert Cart' ['PX'] RML.
diff --git a/docs/opsguide/rml.xml b/docs/opsguide/rml.xml
index 05ca41b1..fd52d427 100644
--- a/docs/opsguide/rml.xml
+++ b/docs/opsguide/rml.xml
@@ -198,36 +198,6 @@
     </para>
   </sect2>
 
-  <sect2 xml:id="sect.rml.add_next__px_">
-    <title>Add Next [PX]</title>
-    <para>
-      <variablelist>
-	<varlistentry>
-	  <term>Module</term>
-	  <listitem><command>rdairplay</command><manvolnum>1</manvolnum></listitem>
-	</varlistentry>
-	<varlistentry>
-	  <term>Mnemonic</term>
-	  <listitem><userinput>PX</userinput></listitem>
-	</varlistentry>
-      </variablelist>
-    </para>
-    <para>
-      Insert a cart in a log in the next to play position.
-    </para>
-    <para>
-      <userinput>PX
-      <replaceable>mach</replaceable>
-      <replaceable>cart</replaceable>
-      [PLAY|SEGUE|STOP]!</userinput>
-    </para>
-    <para>
-      Insert cart <replaceable>cart</replaceable> in the next to play
-      position on log machine <replaceable>mach</replaceable>. The
-      transition may also be optionally specified.
-    </para>
-  </sect2>
-
   <sect2 xml:id="sect.rml.binary_serial_out__bo_">
     <title>Binary Serial Out [BO]</title>
     <para>
@@ -890,6 +860,38 @@
     </para>
   </sect2>
 
+  <sect2 xml:id="sect.rml.insert_cart__px_">
+    <title>Insert Cart [PX]</title>
+    <para>
+      <variablelist>
+	<varlistentry>
+	  <term>Module</term>
+	  <listitem><command>rdairplay</command><manvolnum>1</manvolnum></listitem>
+	</varlistentry>
+	<varlistentry>
+	  <term>Mnemonic</term>
+	  <listitem><userinput>PX</userinput></listitem>
+	</varlistentry>
+      </variablelist>
+    </para>
+    <para>
+      Insert a cart in a log.
+    </para>
+    <para>
+      <userinput>PX
+      <replaceable>mach</replaceable>
+      <replaceable>cart</replaceable>
+      [<replaceable>offset</replaceable>]
+      [PLAY|SEGUE|STOP]!</userinput>
+    </para>
+    <para>
+      Insert cart <replaceable>cart</replaceable> after the currently playing
+      or next event plus <replaceable>offset</replaceable> (default '0')
+      lines on log machine <replaceable>mach</replaceable>. The
+      transition may also be optionally specified.
+    </para>
+  </sect2>
+
   <sect2 xml:id="sect.rml.insert_serial_trap__si_">
     <title>Insert Serial Trap [SI]</title>
     <para>
diff --git a/rdairplay/local_macros.cpp b/rdairplay/local_macros.cpp
index a3082cf4..7d9eeed0 100644
--- a/rdairplay/local_macros.cpp
+++ b/rdairplay/local_macros.cpp
@@ -42,6 +42,7 @@ void MainWidget::RunLocalMacros(RDMacro *rml)
   QString label;
   int mach=0;
   RDLogLine::TransType trans=RDLogLine::Play;
+  int offset=0;
 
   if(rml->role()!=RDMacro::Cmd) {
     return;
@@ -783,7 +784,7 @@ void MainWidget::RunLocalMacros(RDMacro *rml)
     break;
 
   case RDMacro::PX:    // Add Next
-    if((rml->argQuantity()<2)||(rml->argQuantity()>3)) {
+    if((rml->argQuantity()<2)||(rml->argQuantity()>4)) {
       if(rml->echoRequested()) {
 	rml->acknowledge(false);
 	rdripc->sendRml(rml);
@@ -798,18 +799,22 @@ void MainWidget::RunLocalMacros(RDMacro *rml)
       }
       return;
     }
+    offset=0;
+    if(rml->argQuantity()>=3) {
+      offset=rml->arg(2).toInt();
+    }
     trans=RDLogLine::Play;
-    if(rml->argQuantity()==3) {
-      if(rml->arg(2).toString().lower()=="segue") {
+    if(rml->argQuantity()==4) {
+      if(rml->arg(3).toString().lower()=="segue") {
 	trans=RDLogLine::Segue;
       }
-      if(rml->arg(2).toString().lower()=="stop") {
+      if(rml->arg(3).toString().lower()=="stop") {
 	trans=RDLogLine::Stop;
       }
     }
     if(air_log[rml->arg(0).toInt()-1]->nextLine()>=0) {
       air_log[rml->arg(0).toInt()-1]->
-	insert(air_log[rml->arg(0).toInt()-1]->nextLine(),
+	insert(air_log[rml->arg(0).toInt()-1]->nextLine()+offset,
 	       rml->arg(1).toUInt(),RDLogLine::NoTrans,trans);
     }
     else {