diff --git a/de_DE.ISO8859-1/books/handbook/bsdinstall/chapter.xml b/de_DE.ISO8859-1/books/handbook/bsdinstall/chapter.xml
index 7a9093a649..f26de3f3aa 100644
--- a/de_DE.ISO8859-1/books/handbook/bsdinstall/chapter.xml
+++ b/de_DE.ISO8859-1/books/handbook/bsdinstall/chapter.xml
@@ -798,14 +798,8 @@ Ethernet address 0:3:ba:b:92:d4, Host ID: 830b92d4.</screen>
 		  role="Programmable Read Only Memory">PROM</acronym>
 		  Befehlszeile zu gelangen.  Es sieht dann so aus:</para>
 
-		<screenco>
-		  <areaspec>
-		    <area id="bsdinstall-prompt-single" coords="1 5"/>
-		    <area id="bsdinstall-prompt-smp" coords="2 5"/>
-		  </areaspec>
-
-		  <screen><prompt>ok     </prompt>
-<prompt>ok {0} </prompt></screen>
+		  <screen><prompt>ok     </prompt><co id="bsdinstall-prompt-single"/>
+<prompt>ok {0} </prompt><co id="bsdinstall-prompt-smp"/></screen>
 
 	      <calloutlist>
 	        <callout arearefs="bsdinstall-prompt-single">
@@ -818,7 +812,6 @@ Ethernet address 0:3:ba:b:92:d4, Host ID: 830b92d4.</screen>
 		        Die Zahl gibt die Nummer der aktiven CPU an.</para>
 		    </callout>
 		  </calloutlist>
-		</screenco>
 
 		<para>An dieser Eingabeaufforderung angekommen, legen Sie nun
 		  die CD-ROM in Ihr Laufwerk und geben Sie
diff --git a/de_DE.ISO8859-1/books/handbook/install/chapter.xml b/de_DE.ISO8859-1/books/handbook/install/chapter.xml
index 496d37d0ba..248a075302 100644
--- a/de_DE.ISO8859-1/books/handbook/install/chapter.xml
+++ b/de_DE.ISO8859-1/books/handbook/install/chapter.xml
@@ -1155,14 +1155,8 @@ Ethernet address 0:3:ba:b:92:d4, Host ID: 830b92d4.</screen>
 	  Programmen &man.tip.1; oder &man.cu.1;).  In beiden F�llen
 	  landen Sie anschlie�end am PROM-Prompt:</para>
 
-    <screenco>
-      <areaspec>
-	<area id="prompt-single" coords="1 5"/>
-	<area id="prompt-smp" coords="2 5"/>
-      </areaspec>
-
-      <screen><prompt>ok     </prompt>
-<prompt>ok {0} </prompt></screen>
+      <screen><prompt>ok     </prompt><co id="prompt-single"/>
+<prompt>ok {0} </prompt><co id="prompt-smp"/></screen>
 
       <calloutlist>
 	<callout arearefs="prompt-single">
@@ -1174,7 +1168,6 @@ Ethernet address 0:3:ba:b:92:d4, Host ID: 830b92d4.</screen>
 	    dabei f�r die Anzahl der vorhandenen Prozessoren.</para>
 	</callout>
       </calloutlist>
-    </screenco>
 
     <para>Nun legen Sie Ihre CD-ROM in das Laufwerk ein und geben am
       PROM-Prompt <command>boot cdrom</command> ein.  Danach startet Ihr
diff --git a/el_GR.ISO8859-7/books/handbook/bsdinstall/chapter.xml b/el_GR.ISO8859-7/books/handbook/bsdinstall/chapter.xml
index 6d01ce27a6..d6e1b31d76 100644
--- a/el_GR.ISO8859-7/books/handbook/bsdinstall/chapter.xml
+++ b/el_GR.ISO8859-7/books/handbook/bsdinstall/chapter.xml
@@ -766,14 +766,8 @@ Ethernet address 0:3:ba:b:92:d4, Host ID: 830b92d4.</screen>
 	    role="Programmable Read Only Memory">PROM</acronym> � �����
 	  ������� �� ��� ��������:</para>
 
-	<screenco>
-	  <areaspec>
-	    <area id="bsdinstall-prompt-single" coords="1 5"/>
-	    <area id="bsdinstall-prompt-smp" coords="2 5"/>
-	  </areaspec>
-
-	  <screen><prompt>ok     </prompt>
-<prompt>ok {0} </prompt></screen>
+	  <screen><prompt>ok     </prompt><co id="bsdinstall-prompt-single"/>
+<prompt>ok {0} </prompt><co id="bsdinstall-prompt-smp"/></screen>
 
 	  <calloutlist>
 	    <callout arearefs="bsdinstall-prompt-single">
@@ -786,7 +780,6 @@ Ethernet address 0:3:ba:b:92:d4, Host ID: 830b92d4.</screen>
 		������� ��� ������ ��� ������� CPU.</para>
 	    </callout>
 	  </calloutlist>
-	</screenco>
 
 	<para>��� ������ ����, ����������� �� CDROM ���� ����� ���
 	  ���� �������� ��� <acronym>PROM</acronym> ������
diff --git a/el_GR.ISO8859-7/books/handbook/install/chapter.xml b/el_GR.ISO8859-7/books/handbook/install/chapter.xml
index 60ec6bf12f..bac1fbf536 100644
--- a/el_GR.ISO8859-7/books/handbook/install/chapter.xml
+++ b/el_GR.ISO8859-7/books/handbook/install/chapter.xml
@@ -1104,14 +1104,8 @@ Ethernet address 0:3:ba:b:92:d4, Host ID: 830b92d4.</screen>
 	  <command>~#</command> ��� &man.tip.1; � ��� &man.cu.1;) ��� ��
 	  ������� ���� �������� ��� PROM.  �������� ���� ��������:</para>
 
-	<screenco>
-	  <areaspec>
-	    <area id="prompt-single" coords="1 5"/>
-	    <area id="prompt-smp" coords="2 5"/>
-	  </areaspec>
-
-	  <screen><prompt>ok     </prompt>
-<prompt>ok {0} </prompt></screen>
+	  <screen><prompt>ok     </prompt><co id="prompt-single"/>
+<prompt>ok {0} </prompt><co id="prompt-smp"/></screen>
 
 	  <calloutlist>
 	    <callout arearefs="prompt-single">
@@ -1124,7 +1118,6 @@ Ethernet address 0:3:ba:b:92:d4, Host ID: 830b92d4.</screen>
 		SMP, �� ����� ������� ��� ������ ��� ������� CPU.</para>
 	    </callout>
 	  </calloutlist>
-	</screenco>
 
 	<para>��� ������ ����, ����������� �� CDROM ���� �����, ��� ��� ���
 	  �������� ��� PROM, ������ <command>boot cdrom</command>.</para>
diff --git a/en_US.ISO8859-1/books/handbook/bsdinstall/chapter.xml b/en_US.ISO8859-1/books/handbook/bsdinstall/chapter.xml
index 1a92e19665..518083590c 100644
--- a/en_US.ISO8859-1/books/handbook/bsdinstall/chapter.xml
+++ b/en_US.ISO8859-1/books/handbook/bsdinstall/chapter.xml
@@ -739,14 +739,8 @@ Ethernet address 0:3:ba:b:92:d4, Host ID: 830b92d4.</screen>
 	    role="Programmable Read Only Memory">PROM</acronym>
 	  prompt.  It looks like this:</para>
 
-	<screenco>
-	  <areaspec>
-	    <area id="bsdinstall-prompt-single" coords="1 5"/>
-	    <area id="bsdinstall-prompt-smp" coords="2 5"/>
-	  </areaspec>
-
-	  <screen><prompt>ok    </prompt>
-<prompt>ok {0} </prompt></screen>
+	  <screen><prompt>ok    </prompt><co id="bsdinstall-prompt-single"/>
+<prompt>ok {0} </prompt><co id="bsdinstall-prompt-smp"/></screen>
 
 	  <calloutlist>
 	    <callout arearefs="bsdinstall-prompt-single">
@@ -759,7 +753,6 @@ Ethernet address 0:3:ba:b:92:d4, Host ID: 830b92d4.</screen>
 		indicates the number of the active CPU.</para>
 	    </callout>
 	  </calloutlist>
-	</screenco>
 
 	<para>At this point, place the CDROM into your drive, and from
 	  the <acronym>PROM</acronym> prompt, type
diff --git a/en_US.ISO8859-1/books/handbook/install/chapter.xml b/en_US.ISO8859-1/books/handbook/install/chapter.xml
index deb590cf20..92fcf25a8d 100644
--- a/en_US.ISO8859-1/books/handbook/install/chapter.xml
+++ b/en_US.ISO8859-1/books/handbook/install/chapter.xml
@@ -1044,14 +1044,8 @@ Ethernet address 0:3:ba:b:92:d4, Host ID: 830b92d4.</screen>
 	  &man.tip.1; or &man.cu.1;) to get to the PROM prompt.  It
 	  looks like this:</para>
 
-	<screenco>
-	  <areaspec>
-	    <area id="prompt-single" coords="1 5"/>
-	    <area id="prompt-smp" coords="2 5"/>
-	  </areaspec>
-
-	  <screen><prompt>ok     </prompt>
-<prompt>ok {0} </prompt></screen>
+	  <screen><prompt>ok     </prompt><co id="prompt-single"/>
+<prompt>ok {0} </prompt><co id="prompt-smp"/></screen>
 
 	  <calloutlist>
 	    <callout arearefs="prompt-single">
@@ -1064,7 +1058,6 @@ Ethernet address 0:3:ba:b:92:d4, Host ID: 830b92d4.</screen>
 		indicates the number of the active CPU.</para>
 	    </callout>
 	  </calloutlist>
-	</screenco>
 
 	<para>At this point, place the CDROM into your drive, and from
 	  the PROM prompt, type <command>boot cdrom</command>.</para>
diff --git a/es_ES.ISO8859-1/books/handbook/install/chapter.xml b/es_ES.ISO8859-1/books/handbook/install/chapter.xml
index 6fdb135d28..67c3edc8c8 100755
--- a/es_ES.ISO8859-1/books/handbook/install/chapter.xml
+++ b/es_ES.ISO8859-1/books/handbook/install/chapter.xml
@@ -1169,14 +1169,8 @@ Ethernet address 0:3:ba:b:92:d4, Host ID: 830b92d4.</screen>
 	  &man.tip.1; o &man.cu.1;) para as� recuperar el prompt de
 	  PROM.  Tiene este aspecto:</para>
 
-	<screenco>
-	  <areaspec>
-	    <area id="prompt-single" coords="1 5"/>
-	    <area id="prompt-smp" coords="2 5"/>
-	  </areaspec>
-
-	  <screen><prompt>ok     </prompt>
-<prompt>ok {0} </prompt></screen>
+	  <screen><prompt>ok     </prompt><co id="prompt-single"/>
+<prompt>ok {0} </prompt><co id="prompt-smp"/></screen>
 
 	  <calloutlist>
 	    <callout arearefs="prompt-single">
@@ -1189,7 +1183,6 @@ Ethernet address 0:3:ba:b:92:d4, Host ID: 830b92d4.</screen>
 		indica el n�mero de la CPU activa.</para>
 	    </callout>
 	  </calloutlist>
-	</screenco>
 
 	<para>Ponga el CDROM dentro de la unidad y tecl�e
 	  <command>boot cdrom</command> en el prompt
diff --git a/fr_FR.ISO8859-1/books/handbook/install/chapter.xml b/fr_FR.ISO8859-1/books/handbook/install/chapter.xml
index a99699d320..d67d47f38a 100644
--- a/fr_FR.ISO8859-1/books/handbook/install/chapter.xml
+++ b/fr_FR.ISO8859-1/books/handbook/install/chapter.xml
@@ -1208,14 +1208,8 @@ Ethernet address 0:3:ba:b:92:d4, Host ID: 830b92d4.</screen>
 	  ou &man.cu.1;) pour obtenir l'invite PROM.  Elle ressemble
 	  &agrave; ceci:</para>
 
-	<screenco>
-	  <areaspec>
-	    <area id="prompt-single" coords="1 5"/>
-	    <area id="prompt-smp" coords="2 5"/>
-	  </areaspec>
-
-	  <screen><prompt>ok     </prompt>
-<prompt>ok {0} </prompt></screen>
+	  <screen><prompt>ok     </prompt><co id="prompt-single"/>
+<prompt>ok {0} </prompt><co id="prompt-smp"/></screen>
 
 	  <calloutlist>
 	    <callout arearefs="prompt-single">
@@ -1229,7 +1223,6 @@ Ethernet address 0:3:ba:b:92:d4, Host ID: 830b92d4.</screen>
 		CPU actifs.</para>
 	    </callout>
 	  </calloutlist>
-	</screenco>
 
 	<para>En ce point, placez le CDROM dans le lecteur, et
 	  &agrave; l'invite PROM, tapez <command>boot
diff --git a/hu_HU.ISO8859-2/books/handbook/install/chapter.xml b/hu_HU.ISO8859-2/books/handbook/install/chapter.xml
index df6c13a3bf..13cfaeeed0 100644
--- a/hu_HU.ISO8859-2/books/handbook/install/chapter.xml
+++ b/hu_HU.ISO8859-2/books/handbook/install/chapter.xml
@@ -1371,14 +1371,8 @@ Ethernet address 0:3:ba:b:92:d4, Host ID: 830b92d4.</screen>
 	  haszn�lat�val).  K�r�lbel�l
 	  �gy n�z ki:</para>
 
-	<screenco>
-	  <areaspec>
-	    <area id="prompt-single" coords="1 5"/>
-	    <area id="prompt-smp" coords="2 5"/>
-	  </areaspec>
-
-	  <screen><prompt>ok     </prompt>
-<prompt>ok {0} </prompt></screen>
+	  <screen><prompt>ok     </prompt><co id="prompt-single"/>
+<prompt>ok {0} </prompt><co id="prompt-smp"/></screen>
 
 	  <calloutlist>
 	    <callout arearefs="prompt-single">
@@ -1393,7 +1387,6 @@ Ethernet address 0:3:ba:b:92:d4, Host ID: 830b92d4.</screen>
 		sorsz�m�t jel�li.</para>
 	    </callout>
 	  </calloutlist>
-	</screenco>
 
 	<para>Most helyezz�k a CD-t a meghajt�ba, �s
 	  a PROM parancssor�ban pedig g�pelj�k be
diff --git a/ja_JP.eucJP/books/handbook/bsdinstall/chapter.xml b/ja_JP.eucJP/books/handbook/bsdinstall/chapter.xml
index 681b18b9aa..563b9757ad 100644
--- a/ja_JP.eucJP/books/handbook/bsdinstall/chapter.xml
+++ b/ja_JP.eucJP/books/handbook/bsdinstall/chapter.xml
@@ -746,14 +746,8 @@ Ethernet address 0:3:ba:b:92:d4, Host ID: 830b92d4.</screen>
 	  �ץ���ץȤ�ɽ�����Ƥ���������
 	  ���Τ褦��ɽ���Ǥ���</para>
 
-	<screenco>
-	  <areaspec>
-	    <area id="bsdinstall-prompt-single" coords="1 5"/>
-	    <area id="bsdinstall-prompt-smp" coords="2 5"/>
-	  </areaspec>
-
-	  <screen><prompt>ok    </prompt>
-<prompt>ok {0} </prompt></screen>
+	  <screen><prompt>ok    </prompt><co id="bsdinstall-prompt-single"/>
+<prompt>ok {0} </prompt><co id="bsdinstall-prompt-smp"/></screen>
 
 	  <calloutlist>
 	    <callout arearefs="bsdinstall-prompt-single">
@@ -764,7 +758,6 @@ Ethernet address 0:3:ba:b:92:d4, Host ID: 830b92d4.</screen>
 	      <para>SMP �����ƥ�Υץ���ץȡ������ϥ����ƥ��֤� CPU �ο���</para>
 	    </callout>
 	  </calloutlist>
-	</screenco>
 
 	<para>�����ǡ�CDROM ��ɥ饤�֤���������
 	  <acronym>PROM</acronym> �ץ���ץȤ�
diff --git a/ja_JP.eucJP/books/handbook/install/chapter.xml b/ja_JP.eucJP/books/handbook/install/chapter.xml
index 05ae6a6ddd..9f492af624 100644
--- a/ja_JP.eucJP/books/handbook/install/chapter.xml
+++ b/ja_JP.eucJP/books/handbook/install/chapter.xml
@@ -1080,14 +1080,8 @@ Ethernet address 0:3:ba:b:92:d4, Host ID: 830b92d4.</screen>
 	  ���������ơ�PROM �ץ���ץȤ�ɽ�����Ƥ���������
 	  ���Τ褦��ɽ���Ǥ���</para>
 
-	<screenco>
-	  <areaspec>
-	    <area id="prompt-single" coords="1 5"/>
-	    <area id="prompt-smp" coords="2 5"/>
-	  </areaspec>
-
-	  <screen><prompt>ok     </prompt>
-<prompt>ok {0} </prompt></screen>
+	  <screen><prompt>ok     </prompt><co id="prompt-single"/>
+<prompt>ok {0} </prompt><co id="prompt-smp"/></screen>
 
 	  <calloutlist>
 	    <callout arearefs="prompt-single">
@@ -1098,7 +1092,6 @@ Ethernet address 0:3:ba:b:92:d4, Host ID: 830b92d4.</screen>
 	      <para>SMP �����ƥ�Υץ���ץȡ������ϥ����ƥ��֤� CPU �ο���</para>
 	    </callout>
 	  </calloutlist>
-	</screenco>
 
 	<para>�����ǡ�CDROM ��ɥ饤�֤���������
 	  PROM �ץ���ץȤ� <command>boot cdrom</command> �����Ϥ��Ƥ���������</para>
diff --git a/mn_MN.UTF-8/books/handbook/bsdinstall/chapter.xml b/mn_MN.UTF-8/books/handbook/bsdinstall/chapter.xml
index fff0251723..d9946e1dfc 100644
--- a/mn_MN.UTF-8/books/handbook/bsdinstall/chapter.xml
+++ b/mn_MN.UTF-8/books/handbook/bsdinstall/chapter.xml
@@ -705,14 +705,8 @@ Ethernet address 0:3:ba:b:92:d4, Host ID: 830b92d4.</screen>
 	  дарах юм уу эсвэл сериал консолоор <command>BREAK</command> илгээх хэрэгтэй.
 	  Иймэрхүү харагдах болно:</para>
 
-	<screenco>
-	  <areaspec>
-	    <area id="bsdinstall-prompt-single" coords="1 5"/>
-	    <area id="bsdinstall-prompt-smp" coords="2 5"/>
-	  </areaspec>
-
-	  <screen><prompt>ok     </prompt>
-<prompt>ok {0} </prompt></screen>
+	  <screen><prompt>ok     </prompt><co id="bsdinstall-prompt-single"/>
+<prompt>ok {0} </prompt><co id="bsdinstall-prompt-smp"/></screen>
 
 	  <calloutlist>
 	    <callout arearefs="bsdinstall-prompt-single">
@@ -725,7 +719,6 @@ Ethernet address 0:3:ba:b:92:d4, Host ID: 830b92d4.</screen>
 		indicates the number of the active CPU.</para>
 	    </callout>
 	  </calloutlist>
-	</screenco>
 
 	<para>Энэ үед хөтөч дотроо CDROM-оо хийгээд <acronym>PROM</acronym>
 	  дээрээс <command>boot cdrom</command> гэж бичнэ.</para>
diff --git a/mn_MN.UTF-8/books/handbook/install/chapter.xml b/mn_MN.UTF-8/books/handbook/install/chapter.xml
index 83ff412ccf..d32fd6c8e6 100644
--- a/mn_MN.UTF-8/books/handbook/install/chapter.xml
+++ b/mn_MN.UTF-8/books/handbook/install/chapter.xml
@@ -1022,14 +1022,8 @@ Ethernet address 0:3:ba:b:92:d4, Host ID: 830b92d4.</screen>
 	  эсвэл &man.cu.1; дээр <command>~#</command>-г ашиглан) <command>BREAK</command>-г
 	  илгээх хэрэгтэй. Энэ нь иймэрхүү харагдах болно:</para>
 
-	<screenco>
-	  <areaspec>
-	    <area id="prompt-single" coords="1 5"/>
-	    <area id="prompt-smp" coords="2 5"/>
-	  </areaspec>
-
-	  <screen><prompt>ok     </prompt>
-<prompt>ok {0} </prompt></screen>
+	  <screen><prompt>ok     </prompt><co id="prompt-single"/>
+<prompt>ok {0} </prompt><co id="prompt-smp"/></screen>
 
 	  <calloutlist>
 	    <callout arearefs="prompt-single">
@@ -1042,7 +1036,6 @@ Ethernet address 0:3:ba:b:92:d4, Host ID: 830b92d4.</screen>
 		тоо нь идэвхтэй байгаа CPU-ийн тоог илэрхийлдэг.</para>
 	    </callout>
 	  </calloutlist>
-	</screenco>
 
 	<para>Энэ хүрэхэд өөрийн хөтөчдөө CDROM-оо хийгээд PROM хүлээх мөрөөс
 	  <command>boot cdrom</command> тушаалыг бичих хэрэгтэй.</para>
diff --git a/nl_NL.ISO8859-1/books/handbook/install/chapter.xml b/nl_NL.ISO8859-1/books/handbook/install/chapter.xml
index 3417b6745e..5d5a59be36 100644
--- a/nl_NL.ISO8859-1/books/handbook/install/chapter.xml
+++ b/nl_NL.ISO8859-1/books/handbook/install/chapter.xml
@@ -1103,14 +1103,8 @@ Ethernet address 0:3:ba:b:92:d4, Host ID: 830b92d4.</screen>
 	  &man.tip.1; of &man.cu.1; te gebruiken) om bij de PROM-prompt
 	  te komen.  Het ziet er als volgt uit:</para>
 
-	<screenco>
-	  <areaspec>
-	    <area id="prompt-single" coords="1 5"/>
-	    <area id="prompt-smp" coords="2 5"/>
-	  </areaspec>
-
-	  <screen><prompt>ok    </prompt>
-<prompt>ok {0} </prompt></screen>
+	  <screen><prompt>ok    </prompt><co id="prompt-single"/>
+<prompt>ok {0} </prompt><co id="prompt-smp"/></screen>
 
 	  <calloutlist>
 	    <callout arearefs="prompt-single">
@@ -1123,7 +1117,6 @@ Ethernet address 0:3:ba:b:92:d4, Host ID: 830b92d4.</screen>
 		cijfer geeft het aantal actieve CPUs aan.</para>
 	    </callout>
 	  </calloutlist>
-	</screenco>
 
 	<para>Stop hier de CDROM in uw drive, en typ op de PROM-prompt
 	  <command>boot cdrom</command>.</para>
diff --git a/ru_RU.KOI8-R/books/handbook/bsdinstall/chapter.xml b/ru_RU.KOI8-R/books/handbook/bsdinstall/chapter.xml
index d89b7a79e4..3a97dbbbce 100644
--- a/ru_RU.KOI8-R/books/handbook/bsdinstall/chapter.xml
+++ b/ru_RU.KOI8-R/books/handbook/bsdinstall/chapter.xml
@@ -741,14 +741,8 @@ Ethernet address 0:3:ba:b:92:d4, Host ID: 830b92d4.</screen>
 	  � &man.tip.1; ��� &man.cu.1;).  ����������� �������� �������
 	  ����������:</para>
 
-	<screenco>
-	  <areaspec>
-	    <area id="bsdinstall-prompt-single" coords="1 5"/>
-	    <area id="bsdinstall-prompt-smp" coords="2 5"/>
-	  </areaspec>
-
-	  <screen><prompt>ok     </prompt>
-<prompt>ok {0} </prompt></screen>
+	  <screen><prompt>ok     </prompt><co id="bsdinstall-prompt-single"/>
+<prompt>ok {0} </prompt><co id="bsdinstall-prompt-smp"/></screen>
 
 	  <calloutlist>
 	    <callout arearefs="bsdinstall-prompt-single">
@@ -762,7 +756,6 @@ Ethernet address 0:3:ba:b:92:d4, Host ID: 830b92d4.</screen>
 		�����������.</para>
 	    </callout>
 	  </calloutlist>
-	</screenco>
 
 	<para>�� ���� ����� �������� CDROM � ������ � �������� <command>boot
 	    cdrom</command> � ����������� <acronym>PROM</acronym>.</para>
diff --git a/ru_RU.KOI8-R/books/handbook/install/chapter.xml b/ru_RU.KOI8-R/books/handbook/install/chapter.xml
index 19589f0b8b..9eff9fcd72 100644
--- a/ru_RU.KOI8-R/books/handbook/install/chapter.xml
+++ b/ru_RU.KOI8-R/books/handbook/install/chapter.xml
@@ -1059,14 +1059,8 @@ Ethernet address 0:3:ba:b:92:d4, Host ID: 830b92d4.</screen>
       (��������, ������ <command>~#</command> � &man.tip.1; ��� &man.cu.1;).
       ����������� PROM �������� ������� ����������:</para>
 
-    <screenco>
-      <areaspec>
-	<area id="prompt-single" coords="1 5"/>
-	<area id="prompt-smp" coords="2 5"/>
-      </areaspec>
-
-      <screen><prompt>ok     </prompt>
-<prompt>ok {0} </prompt></screen>
+      <screen><prompt>ok     </prompt><co id="prompt-single"/>
+<prompt>ok {0} </prompt><co id="prompt-smp"/></screen>
 
       <calloutlist>
 	<callout arearefs="prompt-single">
@@ -1078,7 +1072,6 @@ Ethernet address 0:3:ba:b:92:d4, Host ID: 830b92d4.</screen>
 	    ����� ���������� ����� ��������� ����������.</para>
 	</callout>
       </calloutlist>
-    </screenco>
 
     <para>�� ���� ������ ���������� �������� CDROM � ������ � �������
       <command>boot cdrom</command> � ����������� PROM.</para>
diff --git a/share/xml/freebsd.sch b/share/xml/freebsd.sch
index f67995f02e..289cf9d56f 100644
--- a/share/xml/freebsd.sch
+++ b/share/xml/freebsd.sch
@@ -8,4 +8,15 @@
       <assert test="contains(., '.')">File reference does not have an extension.</assert>
     </rule>
   </pattern>
+
+  <pattern name="Check callout validity">
+    <rule context="/">
+      <assert test="//screenco">Callouts with screenco are not supported;
+	use screen and co instead.</assert>
+      <assert test="//programlistingco">Callouts with programlistingco
+	are not supported; use programlisting and co instead.</assert>
+      <assert test="//graphicco">Callouts on
+	graphics are not supported.</assert>
+    </rule>
+  </pattern>
 </schema>
diff --git a/zh_CN.GB2312/books/handbook/bsdinstall/chapter.xml b/zh_CN.GB2312/books/handbook/bsdinstall/chapter.xml
index d0c49741ab..92fed93a45 100644
--- a/zh_CN.GB2312/books/handbook/bsdinstall/chapter.xml
+++ b/zh_CN.GB2312/books/handbook/bsdinstall/chapter.xml
@@ -645,14 +645,8 @@ Ethernet address 0:3:ba:b:92:d4, Host ID: 830b92d4.</screen>
 	  <acronym role="Programmable Read Only Memory">PROM</acronym> ��ʾ����
 	  ��Ӧ��������ʾ��</para>
 
-	<screenco>
-	  <areaspec>
-	    <area id="bsdinstall-prompt-single" coords="1 5"/>
-	    <area id="bsdinstall-prompt-smp" coords="2 5"/>
-	  </areaspec>
-
-	  <screen><prompt>ok     </prompt>
-<prompt>ok {0} </prompt></screen>
+	  <screen><prompt>ok     </prompt><co id="bsdinstall-prompt-single"/>
+<prompt>ok {0} </prompt><co id="bsdinstall-prompt-smp"/></screen>
 
 	  <calloutlist>
 	    <callout arearefs="bsdinstall-prompt-single">
@@ -664,7 +658,6 @@ Ethernet address 0:3:ba:b:92:d4, Host ID: 830b92d4.</screen>
 		���е����ֱ�ʾ���õ� CPU ������</para>
 	    </callout>
 	  </calloutlist>
-	</screenco>
 
 	<para>���ڣ� ���� CDROM ���� <acronym>PROM</acronym> ��ʾ��������
 	  <command>boot cdrom</command>��</para>
diff --git a/zh_CN.GB2312/books/handbook/install/chapter.xml b/zh_CN.GB2312/books/handbook/install/chapter.xml
index db5b64b06b..8de343e445 100644
--- a/zh_CN.GB2312/books/handbook/install/chapter.xml
+++ b/zh_CN.GB2312/books/handbook/install/chapter.xml
@@ -902,14 +902,8 @@ Ethernet address 0:3:ba:b:92:d4, Host ID: 830b92d4.</screen>
 	  <command>~#</command>) �Ա���� PROM ��ʾ����
 	  ��Ӧ������������������</para>
 
-	<screenco>
-	  <areaspec>
-	    <area id="prompt-single" coords="1 5"/>
-	    <area id="prompt-smp" coords="2 5"/>
-	  </areaspec>
-
-	  <screen><prompt>ok     </prompt>
-<prompt>ok {0} </prompt></screen>
+	  <screen><prompt>ok     </prompt><co id="prompt-single"/>
+<prompt>ok {0} </prompt><co id="prompt-smp"/></screen>
 
 	  <calloutlist>
 	    <callout arearefs="prompt-single">
@@ -922,7 +916,6 @@ Ethernet address 0:3:ba:b:92:d4, Host ID: 830b92d4.</screen>
 		��ϵͳ�п��õ� CPU ������</para>
 	    </callout>
 	  </calloutlist>
-	</screenco>
 
 	<para>��ʱ�� �� CDROM ������������ ���� PROM ��ʾ�����棬
 	  ���� <command>boot cdrom</command>��</para>
diff --git a/zh_TW.Big5/books/handbook/install/chapter.xml b/zh_TW.Big5/books/handbook/install/chapter.xml
index 106c768d1a..6881e76ff3 100644
--- a/zh_TW.Big5/books/handbook/install/chapter.xml
+++ b/zh_TW.Big5/books/handbook/install/chapter.xml
@@ -951,14 +951,8 @@ Ethernet address 0:3:ba:b:92:d4, Host ID: 830b92d4.</screen>
 	  ������ <command>~#</command> ������) �e�X <command>BREAK</command>
 	  ���O�Ӷi�J PROM prompt�C  �j���|���U���G</para>
 
-	  <screenco>
-	    <areaspec>
-	      <area id="prompt-single" coords="1 5"/>
-	      <area id="prompt-smp" coords="2 5"/>
-	    </areaspec>
-
-	    <screen><prompt>ok     </prompt>
-<prompt>ok {0} </prompt></screen>
+	    <screen><prompt>ok     </prompt><co id="prompt-single"/>
+<prompt>ok {0} </prompt><co id="prompt-smp"/></screen>
 
 	    <calloutlist>
 	      <callout arearefs="prompt-single">
@@ -970,7 +964,6 @@ Ethernet address 0:3:ba:b:92:d4, Host ID: 830b92d4.</screen>
 		  �s���C</para>
 	      </callout>
 	    </calloutlist>
-	  </screenco>
 
 	  <para>���ɽЧ�w�˥��Щ�J���о����A�M��b PROM prompt ��
 	    <command>boot cdrom</command> �Y�i�C</para>