diff --git a/reference/gmp/functions/gmp-abs.xml b/reference/gmp/functions/gmp-abs.xml
deleted file mode 100644
index e83af41f2..000000000
--- a/reference/gmp/functions/gmp-abs.xml
+++ /dev/null
@@ -1,42 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- splitted from ./it/functions/gmp.xml, last change in rev 1.1 -->
-<!-- last change to 'gmp-abs' in en/ tree in rev 1.1 -->
-<!-- EN-Revision: n/a Maintainer: calandra Status: ready -->
-<!-- OLD-Revision: 1.25/EN.1.1 -->
-  <refentry xml:id="function.gmp-abs" xmlns="http://docbook.org/ns/docbook">
-   <refnamediv>
-    <refname>gmp_abs</refname>
-    <refpurpose>Valore assoluto</refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Descrizione</title>
-     <methodsynopsis>
-      <type>resource</type><methodname>gmp_abs</methodname>
-      <methodparam><type>resource</type><parameter>a</parameter></methodparam>
-     </methodsynopsis>
-    <para>
-     Restituisce il valore assoluto di <parameter>a</parameter>.
-    </para>
-   </refsect1>
-  </refentry>
-
-<!-- Keep this comment at the end of the file
-Local variables:
-mode: sgml
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-End:
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diff --git a/reference/gmp/functions/gmp-add.xml b/reference/gmp/functions/gmp-add.xml
deleted file mode 100644
index 5361a8862..000000000
--- a/reference/gmp/functions/gmp-add.xml
+++ /dev/null
@@ -1,44 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- splitted from ./it/functions/gmp.xml, last change in rev 1.1 -->
-<!-- last change to 'gmp-add' in en/ tree in rev 1.1 -->
-<!-- EN-Revision: n/a Maintainer: calandra Status: ready -->
-<!-- OLD-Revision: 1.25/EN.1.1 -->
-  <refentry xml:id="function.gmp-add" xmlns="http://docbook.org/ns/docbook">
-   <refnamediv>
-    <refname>gmp_add</refname>
-    <refpurpose>Somma di numeri</refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Descrizione</title>
-     <methodsynopsis>
-      <type>resource</type><methodname>gmp_add</methodname>
-     <methodparam><type>resource</type><parameter>a</parameter></methodparam>
-     <methodparam><type>resource</type><parameter>b</parameter></methodparam>
-     </methodsynopsis>
-    <para>
-     Somma due numeri GMP. Il risultato, sarà un numero GMP 
-     che rappresenta la somma degli argomenti. 
-    </para>
-   </refsect1>
-  </refentry>
-
-<!-- Keep this comment at the end of the file
-Local variables:
-mode: sgml
-sgml-omittag:t
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diff --git a/reference/gmp/functions/gmp-and.xml b/reference/gmp/functions/gmp-and.xml
deleted file mode 100644
index b3ff20bd9..000000000
--- a/reference/gmp/functions/gmp-and.xml
+++ /dev/null
@@ -1,43 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- splitted from ./it/functions/gmp.xml, last change in rev 1.1 -->
-<!-- last change to 'gmp-and' in en/ tree in rev 1.1 -->
-<!-- EN-Revision: n/a Maintainer: calandra Status: ready -->
-<!-- OLD-Revision: 1.25/EN.1.1 -->
-  <refentry xml:id="function.gmp-and" xmlns="http://docbook.org/ns/docbook">
-   <refnamediv>
-    <refname>gmp_and</refname>
-    <refpurpose>AND logico</refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Descrizione</title>
-     <methodsynopsis>
-      <type>resource</type><methodname>gmp_and</methodname>
-      <methodparam><type>resource</type><parameter>a</parameter></methodparam>
-      <methodparam><type>resource</type><parameter>b</parameter></methodparam>
-     </methodsynopsis>
-    <para>
-     Calcola l'AND logico di due numeri GMP. 
-    </para>
-   </refsect1>
-  </refentry>
-
-<!-- Keep this comment at the end of the file
-Local variables:
-mode: sgml
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diff --git a/reference/gmp/functions/gmp-clrbit.xml b/reference/gmp/functions/gmp-clrbit.xml
deleted file mode 100644
index 4c1080d3b..000000000
--- a/reference/gmp/functions/gmp-clrbit.xml
+++ /dev/null
@@ -1,44 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- splitted from ./it/functions/gmp.xml, last change in rev 1.1 -->
-<!-- last change to 'gmp-clrbit' in en/ tree in rev 1.1 -->
-<!-- EN-Revision: n/a Maintainer: calandra Status: ready -->
-<!-- OLD-Revision: 1.25/EN.1.1 -->
-  <refentry xml:id="function.gmp-clrbit" xmlns="http://docbook.org/ns/docbook">
-   <refnamediv>
-    <refname>gmp_clrbit</refname>
-    <refpurpose>Pulisce bit</refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Descrizione</title>
-     <methodsynopsis>
-      <type>resource</type><methodname>gmp_clrbit</methodname>
-      <methodparam><type>resource</type><parameter>&amp;a</parameter></methodparam>
-      <methodparam><type>int</type><parameter>index</parameter></methodparam>
-     </methodsynopsis>
-    <para>
-     Ripulisce (imposta a 0) il bit <parameter>index</parameter> in
-     <parameter>a</parameter>.
-    </para>
-   </refsect1>
-  </refentry>
-
-<!-- Keep this comment at the end of the file
-Local variables:
-mode: sgml
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-End:
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-vim: et tw=78 syn=sgml
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--->
diff --git a/reference/gmp/functions/gmp-cmp.xml b/reference/gmp/functions/gmp-cmp.xml
deleted file mode 100644
index 12a196285..000000000
--- a/reference/gmp/functions/gmp-cmp.xml
+++ /dev/null
@@ -1,45 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- splitted from ./it/functions/gmp.xml, last change in rev 1.1 -->
-<!-- last change to 'gmp-cmp' in en/ tree in rev 1.1 -->
-<!-- EN-Revision: n/a Maintainer: calandra Status: ready -->
-<!-- OLD-Revision: 1.25/EN.1.1 -->
-  <refentry xml:id="function.gmp-cmp" xmlns="http://docbook.org/ns/docbook">
-   <refnamediv>
-    <refname>gmp_cmp</refname>
-    <refpurpose>Confronto di numeri</refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Descrizione</title>
-     <methodsynopsis>
-      <type>int</type><methodname>gmp_cmp</methodname>
-      <methodparam><type>resource</type><parameter>a</parameter></methodparam>
-      <methodparam><type>resource</type><parameter>b</parameter></methodparam>
-     </methodsynopsis>
-    <para>
-     Restituisce un valore positivo se  <literal>a > b</literal>,  zero se 
-     <literal>a = b</literal> e negativo se <literal>a &lt;
-     b</literal>.
-    </para>
-   </refsect1>
-  </refentry>
-
-<!-- Keep this comment at the end of the file
-Local variables:
-mode: sgml
-sgml-omittag:t
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diff --git a/reference/gmp/functions/gmp-com.xml b/reference/gmp/functions/gmp-com.xml
deleted file mode 100644
index 4041db84d..000000000
--- a/reference/gmp/functions/gmp-com.xml
+++ /dev/null
@@ -1,42 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- splitted from ./it/functions/gmp.xml, last change in rev 1.1 -->
-<!-- last change to 'gmp-com' in en/ tree in rev 1.20 -->
-<!-- EN-Revision: n/a Maintainer: calandra Status: ready -->
-<!-- OLD-Revision: 1.25/EN.1.20 -->
-  <refentry xml:id='function.gmp-com' xmlns="http://docbook.org/ns/docbook">
-   <refnamediv>
-    <refname>gmp_com</refname>
-    <refpurpose>Calcola il complemento a uno di 'a'</refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Descrizione</title>
-     <methodsynopsis>
-      <type>resource</type><methodname>gmp_com</methodname>
-      <methodparam><type>resource</type><parameter>a</parameter></methodparam>
-     </methodsynopsis>
-    <para>
-     &warn.undocumented.func;
-    </para>
-   </refsect1>
-  </refentry>
-
-<!-- Keep this comment at the end of the file
-Local variables:
-mode: sgml
-sgml-omittag:t
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diff --git a/reference/gmp/functions/gmp-div-q.xml b/reference/gmp/functions/gmp-div-q.xml
deleted file mode 100644
index 9ec99929b..000000000
--- a/reference/gmp/functions/gmp-div-q.xml
+++ /dev/null
@@ -1,74 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- splitted from ./it/functions/gmp.xml, last change in rev 1.1 -->
-<!-- last change to 'gmp-div-q' in en/ tree in rev 1.1 -->
-<!-- EN-Revision: n/a Maintainer: calandra Status: ready -->
-<!-- OLD-Revision: 1.25/EN.1.1 -->
-  <refentry xml:id="function.gmp-div-q" xmlns="http://docbook.org/ns/docbook">
-   <refnamediv>
-    <refname>gmp_div_q</refname>
-    <refpurpose>Divide due numberi</refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Descrizione</title>
-     <methodsynopsis>
-      <type>resource</type><methodname>gmp_div_q</methodname>
-     <methodparam><type>resource</type><parameter>a</parameter></methodparam>
-     <methodparam><type>resource</type><parameter>b</parameter></methodparam>
-     <methodparam choice="opt"><type>int</type><parameter>round</parameter></methodparam>
-     </methodsynopsis>
-    <para>
-     Divide <parameter>a</parameter> per <parameter>b</parameter> e
-     restituisce un numero intero. L'arrotondamento del risultato, è definito dal
-     <parameter>round</parameter>, che può avere i seguenti
-     valori:
-     <itemizedlist>
-      <listitem>
-       <simpara>
-        <parameter>GMP_ROUND_ZERO</parameter>: Il risultato è troncato
-        verso 0.
-       </simpara>
-      </listitem>
-      <listitem>
-       <simpara>
-        <parameter>GMP_ROUND_PLUSINF</parameter>: Il risultato è arrotondato verso
-        <literal>+infinito</literal>.
-       </simpara>
-      </listitem>
-      <listitem>
-       <simpara>
-        <parameter>GMP_ROUND_MINUSINF</parameter>: Il risultato è
-        arrotondato verso <literal>-infinito</literal>.
-       </simpara>
-      </listitem>
-     </itemizedlist>
-    </para>
-    <simpara>
-     Questa funzione può anche essere richiamata come <function>gmp_div</function>.
-    </simpara>
-    <para>
-     Vedere anche <function>gmp_div_r</function>,
-     <function>gmp_div_qr</function>
-    </para>
-   </refsect1>
-  </refentry>
-
-<!-- Keep this comment at the end of the file
-Local variables:
-mode: sgml
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diff --git a/reference/gmp/functions/gmp-div-qr.xml b/reference/gmp/functions/gmp-div-qr.xml
deleted file mode 100644
index 91c749726..000000000
--- a/reference/gmp/functions/gmp-div-qr.xml
+++ /dev/null
@@ -1,71 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- splitted from ./it/functions/gmp.xml, last change in rev 1.1 -->
-<!-- last change to 'gmp-div-qr' in en/ tree in rev 1.1 -->
-<!-- EN-Revision: n/a Maintainer: calandra Status: ready -->
-<!-- OLD-Revision: 1.25/EN.1.1 -->
-  <refentry xml:id="function.gmp-div-qr" xmlns="http://docbook.org/ns/docbook">
-   <refnamediv>
-    <refname>gmp_div_qr</refname>
-    <refpurpose>Divide due numeri e restituisce quoziente e resto</refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Descrizione</title>
-     <methodsynopsis>
-      <type>array</type><methodname>gmp_div_qr</methodname>
-      <methodparam><type>resource</type><parameter>n</parameter></methodparam>
-      <methodparam><type>resource</type><parameter>d</parameter></methodparam>
-      <methodparam choice="opt"><type>int</type><parameter>round</parameter></methodparam>
-     </methodsynopsis>
-    <para>
-     Questa funzione, esegue la divisione tra  <parameter>n</parameter> e
-     <parameter>d</parameter> , restituendo un array, il primo elemento è,
-     <literal>[n/d]</literal>  (il risultato intero della divisione)
-     il secondo è  <literal>(n - [n/d] * d)</literal>
-     (cioè il resto della divisone). 
-    </para>
-    <para>
-     Vedere la funzione  <function>gmp_div_q</function> per la descrizione dell'argomento 
-     <parameter>round</parameter>.
-    </para>
-    <para>
-     <example>
-      <title>Divisione di numeri GMP</title>
-      <programlisting role="php">
-<![CDATA[
-<?php
-    $a = gmp_init ("0x41682179fbf5");
-    $res = gmp_div_qr ($a, "0xDEFE75");
-    printf("Result is: q - %s, r - %s", 
-            gmp_strval ($res[0]), gmp_strval ($res[1]));
-?>
-]]>
-      </programlisting>
-     </example>
-    </para>
-    <para>
-     Vedere anche <function>gmp_div_q</function>,
-     <function>gmp_div_r</function>.
-    </para>
-   </refsect1>
-  </refentry>
-
-<!-- Keep this comment at the end of the file
-Local variables:
-mode: sgml
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diff --git a/reference/gmp/functions/gmp-div-r.xml b/reference/gmp/functions/gmp-div-r.xml
deleted file mode 100644
index f36f60e5c..000000000
--- a/reference/gmp/functions/gmp-div-r.xml
+++ /dev/null
@@ -1,54 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- splitted from ./it/functions/gmp.xml, last change in rev 1.1 -->
-<!-- last change to 'gmp-div-r' in en/ tree in rev 1.1 -->
-<!-- EN-Revision: n/a Maintainer: calandra Status: ready -->
-<!-- OLD-Revision: 1.25/EN.1.1 -->
-  <refentry xml:id="function.gmp-div-r" xmlns="http://docbook.org/ns/docbook">
-   <refnamediv>
-    <refname>gmp_div_r</refname>
-    <refpurpose>Resto di una divisione</refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Descrizione</title>
-     <methodsynopsis>
-      <type>resource</type><methodname>gmp_div_r</methodname>
-     <methodparam><type>resource</type><parameter>n</parameter></methodparam>
-     <methodparam><type>resource</type><parameter>d</parameter></methodparam>
-     <methodparam choice="opt"><type>int</type><parameter>round</parameter></methodparam>
-     </methodsynopsis>
-    <para>
-     Calcola il resto di una divisione intera fra 
-     <parameter>n</parameter> e <parameter>d</parameter>. Se non è zero, il resto ha il segno 
-     dell'argomento  <parameter>n</parameter>.
-    </para>
-    <para>
-     Vedi la funzione  <function>gmp_div_q</function> per la descrizione dell'argomento 
-     <parameter>round</parameter>.
-    </para>
-    <para>
-     Vedere anche <function>gmp_div_q</function>,
-     <function>gmp_div_qr</function>
-    </para>
-   </refsect1>
-  </refentry>
-
-<!-- Keep this comment at the end of the file
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diff --git a/reference/gmp/functions/gmp-div.xml b/reference/gmp/functions/gmp-div.xml
deleted file mode 100644
index 954c4c0a5..000000000
--- a/reference/gmp/functions/gmp-div.xml
+++ /dev/null
@@ -1,43 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- splitted from ./it/functions/gmp.xml, last change in rev 1.1 -->
-<!-- last change to 'gmp-div' in en/ tree in rev 1.1 -->
-<!-- EN-Revision: n/a Maintainer: calandra Status: ready -->
-<!-- OLD-Revision: 1.25/EN.1.1 -->
-  <refentry xml:id="function.gmp-div" xmlns="http://docbook.org/ns/docbook">
-   <refnamediv>
-    <refname>gmp_div</refname>
-    <refpurpose>Divisione di numberi</refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Descrizione</title>
-     <methodsynopsis>
-      <type>resource</type><methodname>gmp_div</methodname>
-      <methodparam><type>resource</type><parameter>a</parameter></methodparam>
-      <methodparam><type>resource</type><parameter>b</parameter></methodparam>
-     </methodsynopsis>
-    <para>
-     Questa funzione è la stessa di <function>gmp_div_q</function>.
-    </para>
-   </refsect1>
-  </refentry>
-
-<!-- Keep this comment at the end of the file
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diff --git a/reference/gmp/functions/gmp-divexact.xml b/reference/gmp/functions/gmp-divexact.xml
deleted file mode 100644
index d69149ce3..000000000
--- a/reference/gmp/functions/gmp-divexact.xml
+++ /dev/null
@@ -1,46 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- splitted from ./it/functions/gmp.xml, last change in rev 1.1 -->
-<!-- last change to 'gmp-divexact' in en/ tree in rev 1.1 -->
-<!-- EN-Revision: n/a Maintainer: calandra Status: ready -->
-<!-- OLD-Revision: 1.25/EN.1.1 -->
-  <refentry xml:id="function.gmp-divexact" xmlns="http://docbook.org/ns/docbook">
-   <refnamediv>
-    <refname>gmp_divexact</refname>
-    <refpurpose>Divisione intera di numeri</refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Descrizione</title>
-     <methodsynopsis>
-      <type>resource</type><methodname>gmp_divexact</methodname>
-      <methodparam><type>resource</type><parameter>n</parameter></methodparam>
-      <methodparam><type>resource</type><parameter>d</parameter></methodparam>
-     </methodsynopsis>
-    <para>
-     Divide <parameter>n</parameter> per <parameter>d</parameter>,
-     usando un algoritmo di "esatta divisione". Questa funzione, 
-     restituisce un valore corretto solo quando è noto a priori che 
-     <parameter>d</parameter> divide <parameter>n</parameter>.
-    </para>
-   </refsect1>
-  </refentry>
-
-<!-- Keep this comment at the end of the file
-Local variables:
-mode: sgml
-sgml-omittag:t
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-End:
-vim600: syn=xml fen fdm=syntax fdl=2 si
-vim: et tw=78 syn=sgml
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--->
diff --git a/reference/gmp/functions/gmp-fact.xml b/reference/gmp/functions/gmp-fact.xml
deleted file mode 100644
index 45baf3276..000000000
--- a/reference/gmp/functions/gmp-fact.xml
+++ /dev/null
@@ -1,42 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- splitted from ./it/functions/gmp.xml, last change in rev 1.1 -->
-<!-- last change to 'gmp-fact' in en/ tree in rev 1.1 -->
-<!-- EN-Revision: n/a Maintainer: calandra Status: ready -->
-<!-- OLD-Revision: 1.25/EN.1.1 -->
-  <refentry xml:id="function.gmp-fact" xmlns="http://docbook.org/ns/docbook">
-   <refnamediv>
-    <refname>gmp_fact</refname>
-    <refpurpose>Fattoriale</refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Descrizione</title>
-     <methodsynopsis>
-      <type>resource</type><methodname>gmp_fact</methodname>
-      <methodparam><type>int</type><parameter>a</parameter></methodparam>
-     </methodsynopsis>
-    <para>
-     Calcola il fattoriale (<literal>a!</literal>) di <parameter>a</parameter>.
-    </para>
-   </refsect1>
-  </refentry>
-
-<!-- Keep this comment at the end of the file
-Local variables:
-mode: sgml
-sgml-omittag:t
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-End:
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-vim: et tw=78 syn=sgml
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diff --git a/reference/gmp/functions/gmp-gcd.xml b/reference/gmp/functions/gmp-gcd.xml
deleted file mode 100644
index 4f867cf90..000000000
--- a/reference/gmp/functions/gmp-gcd.xml
+++ /dev/null
@@ -1,46 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- splitted from ./it/functions/gmp.xml, last change in rev 1.1 -->
-<!-- last change to 'gmp-gcd' in en/ tree in rev 1.1 -->
-<!-- EN-Revision: n/a Maintainer: calandra Status: ready -->
-<!-- OLD-Revision: 1.25/EN.1.1 -->
-  <refentry xml:id="function.gmp-gcd" xmlns="http://docbook.org/ns/docbook">
-   <refnamediv>
-    <refname>gmp_gcd</refname>
-    <refpurpose>Calcola il MCD</refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Descrizione</title>
-     <methodsynopsis>
-      <type>resource</type><methodname>gmp_gcd</methodname>
-     <methodparam><type>resource</type><parameter>a</parameter></methodparam>
-     <methodparam><type>resource</type><parameter>b</parameter></methodparam>
-     </methodsynopsis>
-    <para>
-     Calcola il massimo comune divisore (MCD) di <parameter>a</parameter> e
-     <parameter>b</parameter>. Il risultato è sempre positivo, anche 
-     se uno o entrambi gli operatori sono negativi. 
-
-    </para>
-   </refsect1>
-  </refentry>
-
-<!-- Keep this comment at the end of the file
-Local variables:
-mode: sgml
-sgml-omittag:t
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-End:
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-vim: et tw=78 syn=sgml
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diff --git a/reference/gmp/functions/gmp-gcdext.xml b/reference/gmp/functions/gmp-gcdext.xml
deleted file mode 100644
index 96ffc7021..000000000
--- a/reference/gmp/functions/gmp-gcdext.xml
+++ /dev/null
@@ -1,45 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- splitted from ./it/functions/gmp.xml, last change in rev 1.1 -->
-<!-- last change to 'gmp-gcdext' in en/ tree in rev 1.1 -->
-<!-- EN-Revision: n/a Maintainer: calandra Status: ready -->
-<!-- OLD-Revision: 1.25/EN.1.1 -->
-  <refentry xml:id="function.gmp-gcdext" xmlns="http://docbook.org/ns/docbook">
-   <refnamediv>
-    <refname>gmp_gcdext</refname>
-    <refpurpose>Calcola il MCD e moltiplicatori</refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Descrizione</title>
-     <methodsynopsis>
-      <type>array</type><methodname>gmp_gcdext</methodname>
-      <methodparam><type>resource</type><parameter>a</parameter></methodparam>
-      <methodparam><type>resource</type><parameter>b</parameter></methodparam>
-     </methodsynopsis>
-    <para>
-     Calcola g, s e t, in questo modo <literal>a*s + b*t = g =
-     gcd(a,b)</literal>, dove MCD è il massimo comune divisore. 
-     Restituisce un array con i rispettivi argomenti, cioè, g, s e t. 
-    </para>
-   </refsect1>
-  </refentry>
-
-<!-- Keep this comment at the end of the file
-Local variables:
-mode: sgml
-sgml-omittag:t
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-End:
-vim600: syn=xml fen fdm=syntax fdl=2 si
-vim: et tw=78 syn=sgml
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--->
diff --git a/reference/gmp/functions/gmp-hamdist.xml b/reference/gmp/functions/gmp-hamdist.xml
deleted file mode 100644
index 289ff4c83..000000000
--- a/reference/gmp/functions/gmp-hamdist.xml
+++ /dev/null
@@ -1,44 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- splitted from ./it/functions/gmp.xml, last change in rev 1.1 -->
-<!-- last change to 'gmp-hamdist' in en/ tree in rev 1.1 -->
-<!-- EN-Revision: n/a Maintainer: calandra Status: ready -->
-<!-- OLD-Revision: 1.25/EN.1.1 -->
-  <refentry xml:id="function.gmp-hamdist" xmlns="http://docbook.org/ns/docbook">
-   <refnamediv>
-    <refname>gmp_hamdist</refname>
-    <refpurpose>Distanza dell'hamming</refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Descrizione</title>
-     <methodsynopsis>
-      <type>int</type><methodname>gmp_hamdist</methodname>
-      <methodparam><type>resource</type><parameter>a</parameter></methodparam>
-      <methodparam><type>resource</type><parameter>b</parameter></methodparam>
-     </methodsynopsis>
-    <para>
-     Restituisce la distanza di hamming tra <parameter>a</parameter> e 
-     <parameter>b</parameter>. Entrambe gli operandi dovrebbero essere non-negativi.
-    </para>
-   </refsect1>
-  </refentry>
-
-<!-- Keep this comment at the end of the file
-Local variables:
-mode: sgml
-sgml-omittag:t
-sgml-shorttag:t
-sgml-minimize-attributes:nil
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-End:
-vim600: syn=xml fen fdm=syntax fdl=2 si
-vim: et tw=78 syn=sgml
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--->
diff --git a/reference/gmp/functions/gmp-intval.xml b/reference/gmp/functions/gmp-intval.xml
deleted file mode 100644
index 20aeb8e3c..000000000
--- a/reference/gmp/functions/gmp-intval.xml
+++ /dev/null
@@ -1,49 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- splitted from ./it/functions/gmp.xml, last change in rev 1.1 -->
-<!-- last change to 'gmp-intval' in en/ tree in rev 1.1 -->
-<!-- EN-Revision: n/a Maintainer: calandra Status: ready -->
-<!-- OLD-Revision: 1.25/EN.1.1 -->
-  <refentry xml:id="function.gmp-intval" xmlns="http://docbook.org/ns/docbook">
-   <refnamediv>
-    <refname>gmp_intval</refname>
-    <refpurpose>Converte un numero GMP in un intero</refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Descrizione</title>
-     <methodsynopsis>
-      <type>int</type><methodname>gmp_intval</methodname>
-     <methodparam><type>resource</type><parameter>gmpnumber</parameter></methodparam>
-     </methodsynopsis>
-    <para>
-     Questa funzione converte un numero GMP in un intero.
-     <warning>
-      <simpara> 
-       Questa funzione restituisce un risultato utile, solo se il numero attualmente 
-       fornito al PHP è un intero (per esempio, un tipo signed long). 
-       Se desideri solo stampare il numero GMP, usa <function>gmp_strval</function>.
-      </simpara>
-     </warning>
-    </para>
-   </refsect1>
-  </refentry>
-
-<!-- Keep this comment at the end of the file
-Local variables:
-mode: sgml
-sgml-omittag:t
-sgml-shorttag:t
-sgml-minimize-attributes:nil
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-sgml-local-ecat-files:nil
-End:
-vim600: syn=xml fen fdm=syntax fdl=2 si
-vim: et tw=78 syn=sgml
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diff --git a/reference/gmp/functions/gmp-invert.xml b/reference/gmp/functions/gmp-invert.xml
deleted file mode 100644
index 320bb0a33..000000000
--- a/reference/gmp/functions/gmp-invert.xml
+++ /dev/null
@@ -1,45 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- splitted from ./it/functions/gmp.xml, last change in rev 1.1 -->
-<!-- last change to 'gmp-invert' in en/ tree in rev 1.1 -->
-<!-- EN-Revision: n/a Maintainer: calandra Status: ready -->
-<!-- OLD-Revision: 1.25/EN.1.1 -->
-  <refentry xml:id="function.gmp-invert" xmlns="http://docbook.org/ns/docbook">
-   <refnamediv>
-    <refname>gmp_invert</refname>
-    <refpurpose>Inversione di modulo</refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Descrizione</title>
-     <methodsynopsis>
-      <type>resource</type><methodname>gmp_invert</methodname>
-      <methodparam><type>resource</type><parameter>a</parameter></methodparam>
-      <methodparam><type>resource</type><parameter>b</parameter></methodparam>
-     </methodsynopsis>
-    <para>
-     Calcola l'inverso di <parameter>a</parameter> modulo
-     <parameter>b</parameter>. Restituisce un valore &false; se l'inversione non 
-     esiste. 
-    </para>
-   </refsect1>
-  </refentry>
-
-<!-- Keep this comment at the end of the file
-Local variables:
-mode: sgml
-sgml-omittag:t
-sgml-shorttag:t
-sgml-minimize-attributes:nil
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-sgml-local-ecat-files:nil
-End:
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-vim: et tw=78 syn=sgml
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diff --git a/reference/gmp/functions/gmp-jacobi.xml b/reference/gmp/functions/gmp-jacobi.xml
deleted file mode 100644
index ec2c875d8..000000000
--- a/reference/gmp/functions/gmp-jacobi.xml
+++ /dev/null
@@ -1,47 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- splitted from ./it/functions/gmp.xml, last change in rev 1.1 -->
-<!-- last change to 'gmp-jacobi' in en/ tree in rev 1.1 -->
-<!-- EN-Revision: n/a Maintainer: calandra Status: ready -->
-<!-- OLD-Revision: 1.25/EN.1.1 -->
-  <refentry xml:id="function.gmp-jacobi" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
-   <refnamediv>
-    <refname>gmp_jacobi</refname>
-    <refpurpose>Simbolo di Jacobi</refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Descrizione</title>
-     <methodsynopsis>
-      <type>int</type><methodname>gmp_jacobi</methodname>
-      <methodparam><type>resource</type><parameter>a</parameter></methodparam>
-      <methodparam><type>resource</type><parameter>p</parameter></methodparam>
-     </methodsynopsis>
-    <para>
-     Calcola il 
-     <link xlink:href="http://www.utm.edu/research/primes/glossary/JacobiSymbol.html">
-     simbolo di Jacobi </link> di <parameter>a</parameter> e
-     <parameter>p</parameter>. <parameter>p</parameter> p potrebbe essere dispari 
-     e deve essere positivo. 
-    </para>
-   </refsect1>
-  </refentry>
-
-<!-- Keep this comment at the end of the file
-Local variables:
-mode: sgml
-sgml-omittag:t
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-sgml-minimize-attributes:nil
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-End:
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diff --git a/reference/gmp/functions/gmp-legendre.xml b/reference/gmp/functions/gmp-legendre.xml
deleted file mode 100644
index 9d3ef2079..000000000
--- a/reference/gmp/functions/gmp-legendre.xml
+++ /dev/null
@@ -1,47 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- splitted from ./it/functions/gmp.xml, last change in rev 1.1 -->
-<!-- last change to 'gmp-legendre' in en/ tree in rev 1.1 -->
-<!-- EN-Revision: n/a Maintainer: calandra Status: ready -->
-<!-- OLD-Revision: 1.25/EN.1.1 -->
-  <refentry xml:id="function.gmp-legendre" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
-   <refnamediv>
-    <refname>gmp_legendre</refname>
-    <refpurpose>Simbolo di Legendre</refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Descrizione</title>
-     <methodsynopsis>
-      <type>int</type><methodname>gmp_legendre</methodname>
-      <methodparam><type>resource</type><parameter>a</parameter></methodparam>
-      <methodparam><type>resource</type><parameter>p</parameter></methodparam>
-     </methodsynopsis>
-    <para>
-     Calcolo del
-     <link xlink:href="&url.symbole-legendre;">
-     Legendre symbol</link> di <parameter>a</parameter> e
-     <parameter>p</parameter>. <parameter>p</parameter>  potrebbe essere
-     dispari e deve essere positivo.
-    </para>
-   </refsect1>
-  </refentry>
-
-<!-- Keep this comment at the end of the file
-Local variables:
-mode: sgml
-sgml-omittag:t
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diff --git a/reference/gmp/functions/gmp-mod.xml b/reference/gmp/functions/gmp-mod.xml
deleted file mode 100644
index 4f55d543d..000000000
--- a/reference/gmp/functions/gmp-mod.xml
+++ /dev/null
@@ -1,45 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- splitted from ./it/functions/gmp.xml, last change in rev 1.1 -->
-<!-- last change to 'gmp-mod' in en/ tree in rev 1.1 -->
-<!-- EN-Revision: n/a Maintainer: calandra Status: ready -->
-<!-- OLD-Revision: 1.25/EN.1.1 -->
-  <refentry xml:id="function.gmp-mod" xmlns="http://docbook.org/ns/docbook">
-   <refnamediv>
-    <refname>gmp_mod</refname>
-    <refpurpose>Modulo</refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Descrizione</title>
-     <methodsynopsis>
-      <type>resource</type><methodname>gmp_mod</methodname>
-      <methodparam><type>resource</type><parameter>n</parameter></methodparam>
-      <methodparam><type>resource</type><parameter>d</parameter></methodparam>
-     </methodsynopsis>
-    <para>
-     Calcola il modulo di <parameter>n</parameter> rispetto a 
-     <parameter>d</parameter>. Il risultato è sempre non-negativo, il segno di 
-     <parameter>d</parameter> viene ignorato.
-    </para>
-   </refsect1>
-  </refentry>
-
-<!-- Keep this comment at the end of the file
-Local variables:
-mode: sgml
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-End:
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diff --git a/reference/gmp/functions/gmp-mul.xml b/reference/gmp/functions/gmp-mul.xml
deleted file mode 100644
index b17d24bc3..000000000
--- a/reference/gmp/functions/gmp-mul.xml
+++ /dev/null
@@ -1,44 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- splitted from ./it/functions/gmp.xml, last change in rev 1.1 -->
-<!-- last change to 'gmp-mul' in en/ tree in rev 1.1 -->
-<!-- EN-Revision: n/a Maintainer: calandra Status: ready -->
-<!-- OLD-Revision: 1.25/EN.1.1 -->
-  <refentry xml:id="function.gmp-mul" xmlns="http://docbook.org/ns/docbook">
-   <refnamediv>
-    <refname>gmp_mul</refname>
-    <refpurpose>Prodotto di numeri</refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Descrizione</title>
-     <methodsynopsis>
-      <type>resource</type><methodname>gmp_mul</methodname>
-      <methodparam><type>resource</type><parameter>a</parameter></methodparam>
-      <methodparam><type>resource</type><parameter>b</parameter></methodparam>
-     </methodsynopsis>
-    <para>
-     Moltiplica <parameter>a</parameter> per <parameter>b</parameter>
-     e restituisce il risultato.
-    </para>
-   </refsect1>
-  </refentry>
-
-<!-- Keep this comment at the end of the file
-Local variables:
-mode: sgml
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diff --git a/reference/gmp/functions/gmp-neg.xml b/reference/gmp/functions/gmp-neg.xml
deleted file mode 100644
index 854898624..000000000
--- a/reference/gmp/functions/gmp-neg.xml
+++ /dev/null
@@ -1,42 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- splitted from ./it/functions/gmp.xml, last change in rev 1.4 -->
-<!-- last change to 'gmp-neg' in en/ tree in rev 1.1 -->
-<!-- EN-Revision: n/a Maintainer: calandra Status: ready -->
-<!-- OLD-Revision: 1.25/EN.1.1 -->
-  <refentry xml:id="function.gmp-neg" xmlns="http://docbook.org/ns/docbook">
-   <refnamediv>
-    <refname>gmp_neg</refname>
-    <refpurpose>Rende un numero negativo</refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Descrizione</title>
-     <methodsynopsis>
-      <type>resource</type><methodname>gmp_neg</methodname>
-      <methodparam><type>resource</type><parameter>a</parameter></methodparam>
-     </methodsynopsis>
-    <para>
-     Restituisce <parameter>a</parameter>.
-    </para>
-   </refsect1>
-  </refentry>
-
-<!-- Keep this comment at the end of the file
-Local variables:
-mode: sgml
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-End:
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-vim: et tw=78 syn=sgml
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diff --git a/reference/gmp/functions/gmp-or.xml b/reference/gmp/functions/gmp-or.xml
deleted file mode 100644
index f9b3cd5d3..000000000
--- a/reference/gmp/functions/gmp-or.xml
+++ /dev/null
@@ -1,43 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- splitted from ./it/functions/gmp.xml, last change in rev 1.1 -->
-<!-- last change to 'gmp-or' in en/ tree in rev 1.1 -->
-<!-- EN-Revision: n/a Maintainer: calandra Status: ready -->
-<!-- OLD-Revision: 1.25/EN.1.1 -->
-  <refentry xml:id="function.gmp-or" xmlns="http://docbook.org/ns/docbook">
-   <refnamediv>
-    <refname>gmp_or</refname>
-    <refpurpose>OR logico</refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Descrizione</title>
-     <methodsynopsis>
-      <type>resource</type><methodname>gmp_or</methodname>
-      <methodparam><type>resource</type><parameter>a</parameter></methodparam>
-      <methodparam><type>resource</type><parameter>b</parameter></methodparam>
-     </methodsynopsis>
-    <para>
-     Calcola l'OR logico di due numeri GMP. 
-    </para>
-   </refsect1>
-  </refentry>
-
-<!-- Keep this comment at the end of the file
-Local variables:
-mode: sgml
-sgml-omittag:t
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diff --git a/reference/gmp/functions/gmp-perfect-square.xml b/reference/gmp/functions/gmp-perfect-square.xml
deleted file mode 100644
index 6c04baed4..000000000
--- a/reference/gmp/functions/gmp-perfect-square.xml
+++ /dev/null
@@ -1,47 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- splitted from ./it/functions/gmp.xml, last change in rev 1.1 -->
-<!-- last change to 'gmp-perfect-square' in en/ tree in rev 1.1 -->
-<!-- EN-Revision: n/a Maintainer: calandra Status: ready -->
-<!-- OLD-Revision: 1.25/EN.1.1 -->
-  <refentry xml:id="function.gmp-perfect-square" xmlns="http://docbook.org/ns/docbook">
-   <refnamediv>
-    <refname>gmp_perfect_square</refname>
-    <refpurpose>Controllo quadrato perfetto</refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Descrizione</title>
-     <methodsynopsis>
-      <type>bool</type><methodname>gmp_perfect_square</methodname>
-      <methodparam><type>resource</type><parameter>a</parameter></methodparam>
-     </methodsynopsis>
-    <para>
-     Restituisce un valore vero &true; se <parameter>a</parameter> è un quadrato perfetto,falso 
-     &false; se non lo è. 
-    </para>
-    <para>
-     Vedere anche: <function>gmp_sqrt</function>,
-     <function>gmp_sqrtrm</function>.  
-    </para>
-   </refsect1>
-  </refentry>
-
-<!-- Keep this comment at the end of the file
-Local variables:
-mode: sgml
-sgml-omittag:t
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diff --git a/reference/gmp/functions/gmp-popcount.xml b/reference/gmp/functions/gmp-popcount.xml
deleted file mode 100644
index 952b67049..000000000
--- a/reference/gmp/functions/gmp-popcount.xml
+++ /dev/null
@@ -1,42 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- splitted from ./it/functions/gmp.xml, last change in rev 1.1 -->
-<!-- last change to 'gmp-popcount' in en/ tree in rev 1.1 -->
-<!-- EN-Revision: n/a Maintainer: calandra Status: ready -->
-<!-- OLD-Revision: 1.25/EN.1.1 -->
-  <refentry xml:id="function.gmp-popcount" xmlns="http://docbook.org/ns/docbook">
-   <refnamediv>
-    <refname>gmp_popcount</refname>
-    <refpurpose>Conteggio della popolazione</refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Descrizione</title>
-     <methodsynopsis>
-      <type>int</type><methodname>gmp_popcount</methodname>
-      <methodparam><type>resource</type><parameter>a</parameter></methodparam>
-     </methodsynopsis>
-    <para>
-     Restituisce il conteggio della popolazione di <parameter>a</parameter>.
-    </para>
-   </refsect1>
-  </refentry>
-
-<!-- Keep this comment at the end of the file
-Local variables:
-mode: sgml
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-End:
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-vim: et tw=78 syn=sgml
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diff --git a/reference/gmp/functions/gmp-pow.xml b/reference/gmp/functions/gmp-pow.xml
deleted file mode 100644
index cc108d004..000000000
--- a/reference/gmp/functions/gmp-pow.xml
+++ /dev/null
@@ -1,45 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- splitted from ./it/functions/gmp.xml, last change in rev 1.1 -->
-<!-- last change to 'gmp-pow' in en/ tree in rev 1.1 -->
-<!-- EN-Revision: n/a Maintainer: calandra Status: ready -->
-<!-- OLD-Revision: 1.25/EN.1.1 -->
-  <refentry xml:id="function.gmp-pow" xmlns="http://docbook.org/ns/docbook">
-   <refnamediv>
-    <refname>gmp_pow</refname>
-    <refpurpose>Eleva un  numero a potenza</refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Descrizione</title>
-     <methodsynopsis>
-      <type>resource</type><methodname>gmp_pow</methodname>
-      <methodparam><type>resource</type><parameter>base</parameter></methodparam>
-      <methodparam><type>int</type><parameter>exp</parameter></methodparam>
-     </methodsynopsis>
-    <para>
-     Eleva la base <parameter>base</parameter> ad una potenza 
-     <parameter>exp</parameter>. Nel caso di 0^0 il risultato sarà 1. L'argomento 
-     <parameter>exp</parameter> non può essere negativo. 
-    </para>
-   </refsect1>
-  </refentry>
-
-<!-- Keep this comment at the end of the file
-Local variables:
-mode: sgml
-sgml-omittag:t
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diff --git a/reference/gmp/functions/gmp-powm.xml b/reference/gmp/functions/gmp-powm.xml
deleted file mode 100644
index f987fc7f7..000000000
--- a/reference/gmp/functions/gmp-powm.xml
+++ /dev/null
@@ -1,46 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- splitted from ./it/functions/gmp.xml, last change in rev 1.1 -->
-<!-- last change to 'gmp-powm' in en/ tree in rev 1.1 -->
-<!-- EN-Revision: n/a Maintainer: calandra Status: ready -->
-<!-- OLD-Revision: 1.25/EN.1.1 -->
-  <refentry xml:id="function.gmp-powm" xmlns="http://docbook.org/ns/docbook">
-   <refnamediv>
-    <refname>gmp_powm</refname>
-    <refpurpose>Modulo di un elevamento a potenza.</refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Descrizione</title>
-     <methodsynopsis>
-      <type>resource</type><methodname>gmp_powm</methodname>
-      <methodparam><type>resource</type><parameter>base</parameter></methodparam>
-      <methodparam><type>resource</type><parameter>exp</parameter></methodparam>
-      <methodparam><type>resource</type><parameter>mod</parameter></methodparam>
-     </methodsynopsis>
-    <para>
-     Calcola il  (<parameter>base</parameter> elevato a potenza
-     <parameter>exp</parameter>) modulo <parameter>mod</parameter>. Se
-     <parameter>exp</parameter> è negativo, il risultato sarà indefinito.
-    </para>
-   </refsect1>
-  </refentry>
-
-<!-- Keep this comment at the end of the file
-Local variables:
-mode: sgml
-sgml-omittag:t
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diff --git a/reference/gmp/functions/gmp-prob-prime.xml b/reference/gmp/functions/gmp-prob-prime.xml
deleted file mode 100644
index 680fa8e94..000000000
--- a/reference/gmp/functions/gmp-prob-prime.xml
+++ /dev/null
@@ -1,51 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- splitted from ./it/functions/gmp.xml, last change in rev 1.1 -->
-<!-- last change to 'gmp-prob-prime' in en/ tree in rev 1.1 -->
-<!-- EN-Revision: n/a Maintainer: calandra Status: ready -->
-<!-- OLD-Revision: 1.25/EN.1.1 -->
-  <refentry xml:id="function.gmp-prob-prime" xmlns="http://docbook.org/ns/docbook">
-   <refnamediv>
-    <refname>gmp_prob_prime</refname>
-    <refpurpose>Controlla se il numero è "probabilmente primo"</refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Descrizione</title>
-     <methodsynopsis>
-      <type>int</type><methodname>gmp_prob_prime</methodname>
-      <methodparam><type>resource</type><parameter>a</parameter></methodparam>
-      <methodparam choice="opt"><type>int</type><parameter>reps</parameter></methodparam>
-     </methodsynopsis>
-    <para>
-     Se questa funzione da come risultato 0, <parameter>a</parameter> non è primo. 
-     Se sarà 1, allora 
-     <parameter>a</parameter> è "probabilmente" primo. Invece se il risultato è 2, allora 
-     <parameter>a</parameter> sarà sicuramente primo.  I valori "attendibili" di 
-     <parameter>reps</parameter> possono  variare da 5 a 10 (di default 10); un valore più alto fa diminuire
-     la probabilità che un numero non primo passi come "probabile" primo. 
-    </para>
-    <para>
-     La funzione usa il test probabilistico di Miller-Rabin. 
-    </para>
-   </refsect1>
-  </refentry>
-
-<!-- Keep this comment at the end of the file
-Local variables:
-mode: sgml
-sgml-omittag:t
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-End:
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-vim: et tw=78 syn=sgml
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diff --git a/reference/gmp/functions/gmp-random.xml b/reference/gmp/functions/gmp-random.xml
deleted file mode 100644
index c2ce31af8..000000000
--- a/reference/gmp/functions/gmp-random.xml
+++ /dev/null
@@ -1,45 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- splitted from ./it/functions/gmp.xml, last change in rev 1.1 -->
-<!-- last change to 'gmp-random' in en/ tree in rev 1.1 -->
-<!-- EN-Revision: n/a Maintainer: calandra Status: ready -->
-<!-- OLD-Revision: 1.25/EN.1.1 -->
-  <refentry xml:id="function.gmp-random" xmlns="http://docbook.org/ns/docbook">
-   <refnamediv>
-    <refname>gmp_random</refname>
-    <refpurpose>Generatore di numeri casuali</refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Descrizione</title>
-     <methodsynopsis>
-      <type>resource</type><methodname>gmp_random</methodname>
-      <methodparam><type>int</type><parameter>limiter</parameter></methodparam>
-     </methodsynopsis>
-    <para>
-     Genera un numero casuale. Il numero, sarà lungo un numero di WORD (2 byte) non superiore all'argomento 
-     <parameter>limiter</parameter>. Se l'argomento 
-     <parameter>limiter</parameter> è negativo, il numero generato sarà 
-     anch'esso negativo. 
-    </para>
-   </refsect1>
-  </refentry>
-
-<!-- Keep this comment at the end of the file
-Local variables:
-mode: sgml
-sgml-omittag:t
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diff --git a/reference/gmp/functions/gmp-scan0.xml b/reference/gmp/functions/gmp-scan0.xml
deleted file mode 100644
index cc32fca4f..000000000
--- a/reference/gmp/functions/gmp-scan0.xml
+++ /dev/null
@@ -1,46 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- splitted from ./it/functions/gmp.xml, last change in rev 1.1 -->
-<!-- last change to 'gmp-scan0' in en/ tree in rev 1.1 -->
-<!-- EN-Revision: n/a Maintainer: calandra Status: ready -->
-<!-- OLD-Revision: 1.25/EN.1.1 -->
-  <refentry xml:id="function.gmp-scan0" xmlns="http://docbook.org/ns/docbook">
-   <refnamediv>
-    <refname>gmp_scan0</refname>
-    <refpurpose>Ricerca per 0</refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Descrizione</title>
-     <methodsynopsis>
-      <type>int</type><methodname>gmp_scan0</methodname>
-      <methodparam><type>resource</type><parameter>a</parameter></methodparam>
-      <methodparam><type>int</type><parameter>start</parameter></methodparam>
-     </methodsynopsis>
-    <para>
-     Cerca in <parameter>a</parameter>, partendo dal bit 
-     <parameter>start</parameter>verso i bit più significativi, 
-     fermandosi sul primo bit nullo, di cui 
-     restituisce l'indice. 
-    </para>
-   </refsect1>
-  </refentry>
-
-<!-- Keep this comment at the end of the file
-Local variables:
-mode: sgml
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diff --git a/reference/gmp/functions/gmp-scan1.xml b/reference/gmp/functions/gmp-scan1.xml
deleted file mode 100644
index 87719c036..000000000
--- a/reference/gmp/functions/gmp-scan1.xml
+++ /dev/null
@@ -1,46 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- splitted from ./it/functions/gmp.xml, last change in rev 1.1 -->
-<!-- last change to 'gmp-scan1' in en/ tree in rev 1.1 -->
-<!-- EN-Revision: n/a Maintainer: calandra Status: ready -->
-<!-- OLD-Revision: 1.25/EN.1.1 -->
-  <refentry xml:id="function.gmp-scan1" xmlns="http://docbook.org/ns/docbook">
-   <refnamediv>
-    <refname>gmp_scan1</refname>
-    <refpurpose>Ricerca per 1</refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Descrizione</title>
-     <methodsynopsis>
-      <type>int</type><methodname>gmp_scan1</methodname>
-      <methodparam><type>resource</type><parameter>a</parameter></methodparam>
-      <methodparam><type>int</type><parameter>start</parameter></methodparam>
-     </methodsynopsis>
-    <para>
-     Cerca in <parameter>a</parameter>, partendo dal bit 
-     <parameter>start</parameter>, verso i bit più significativi, 
-     fermandosi sul primo bit nullo, di cui 
-     restituisce l'indice.
-    </para>
-   </refsect1>
-  </refentry>
-
-<!-- Keep this comment at the end of the file
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-mode: sgml
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diff --git a/reference/gmp/functions/gmp-setbit.xml b/reference/gmp/functions/gmp-setbit.xml
deleted file mode 100644
index 89845092b..000000000
--- a/reference/gmp/functions/gmp-setbit.xml
+++ /dev/null
@@ -1,47 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- splitted from ./it/functions/gmp.xml, last change in rev 1.1 -->
-<!-- last change to 'gmp-setbit' in en/ tree in rev 1.1 -->
-<!-- EN-Revision: n/a Maintainer: calandra Status: ready -->
-<!-- OLD-Revision: 1.25/EN.1.1 -->
-  <refentry xml:id="function.gmp-setbit" xmlns="http://docbook.org/ns/docbook">
-   <refnamediv>
-    <refname>gmp_setbit</refname>
-    <refpurpose>Imposta bit</refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Descrizione</title>
-     <methodsynopsis>
-      <type>resource</type><methodname>gmp_setbit</methodname>
-      <methodparam><type>resource</type><parameter>&amp;a</parameter></methodparam>
-      <methodparam><type>int</type><parameter>index</parameter></methodparam>
-      <methodparam choice="opt"><type>bool</type><parameter>set_clear</parameter></methodparam>
-     </methodsynopsis>
-    <para>
-     Sets bit  <parameter>index</parameter> in
-     <parameter>a</parameter>. <parameter>set_clear</parameter>
-     definisce se il bit è settato su 0 o su 1. Di default il bit è settato a 
-     1. 
-    </para>
-   </refsect1>
-  </refentry>
-
-<!-- Keep this comment at the end of the file
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-mode: sgml
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diff --git a/reference/gmp/functions/gmp-sign.xml b/reference/gmp/functions/gmp-sign.xml
deleted file mode 100644
index 1c5cef4ca..000000000
--- a/reference/gmp/functions/gmp-sign.xml
+++ /dev/null
@@ -1,43 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- splitted from ./it/functions/gmp.xml, last change in rev 1.1 -->
-<!-- last change to 'gmp-sign' in en/ tree in rev 1.1 -->
-<!-- EN-Revision: n/a Maintainer: calandra Status: ready -->
-<!-- OLD-Revision: 1.25/EN.1.1 -->
-  <refentry xml:id="function.gmp-sign" xmlns="http://docbook.org/ns/docbook">
-   <refnamediv>
-    <refname>gmp_sign</refname>
-    <refpurpose>Segno di un numero</refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Descrizione</title>
-     <methodsynopsis>
-      <type>int</type><methodname>gmp_sign</methodname>
-     <methodparam><type>resource</type><parameter>a</parameter></methodparam>
-     </methodsynopsis>
-    <para>
-     Restituisce il segno di <parameter>a</parameter> : 1 se
-     <parameter>a</parameter> è positivo e -1 se è negativo.
-    </para>
-   </refsect1>
-  </refentry>
-
-<!-- Keep this comment at the end of the file
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diff --git a/reference/gmp/functions/gmp-sqrt.xml b/reference/gmp/functions/gmp-sqrt.xml
deleted file mode 100644
index 2e5d23565..000000000
--- a/reference/gmp/functions/gmp-sqrt.xml
+++ /dev/null
@@ -1,42 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- splitted from ./it/functions/gmp.xml, last change in rev 1.1 -->
-<!-- last change to 'gmp-sqrt' in en/ tree in rev 1.1 -->
-<!-- EN-Revision: n/a Maintainer: calandra Status: ready -->
-<!-- OLD-Revision: 1.25/EN.1.1 -->
-  <refentry xml:id="function.gmp-sqrt" xmlns="http://docbook.org/ns/docbook">
-   <refnamediv>
-    <refname>gmp_sqrt</refname>
-    <refpurpose>Radice quadrata</refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Descrizione</title>
-     <methodsynopsis>
-      <type>resource</type><methodname>gmp_sqrt</methodname>
-     <methodparam><type>resource</type><parameter>a</parameter></methodparam>
-     </methodsynopsis>
-    <para>
-     Calcola la radice quadrata di <parameter>a</parameter>.
-    </para>
-   </refsect1>
-  </refentry>
-
-<!-- Keep this comment at the end of the file
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diff --git a/reference/gmp/functions/gmp-sqrtrem.xml b/reference/gmp/functions/gmp-sqrtrem.xml
deleted file mode 100644
index b4f62ae9f..000000000
--- a/reference/gmp/functions/gmp-sqrtrem.xml
+++ /dev/null
@@ -1,45 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- splitted from ./it/functions/gmp.xml, last change in rev 1.1 -->
-<!-- last change to 'gmp-sqrtrem' in en/ tree in rev 1.1 -->
-<!-- EN-Revision: n/a Maintainer: calandra Status: ready -->
-<!-- OLD-Revision: 1.25/EN.1.1 -->
-  <refentry xml:id="function.gmp-sqrtrem" xmlns="http://docbook.org/ns/docbook">
-   <refnamediv>
-    <refname>gmp_sqrtrem</refname>
-    <refpurpose>Radice quadrata con resto</refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Descrizione</title>
-     <methodsynopsis>
-      <type>array</type><methodname>gmp_sqrtrem</methodname>
-      <methodparam><type>resource</type><parameter>a</parameter></methodparam>
-     </methodsynopsis>
-    <para>
-     Restituisce un array con due valori, il primo è la radice quadrata (fornita come intero) di 
-     <parameter>a</parameter> (vedere anche
-     <function>gmp_sqrt</function>), e il secondo è il resto (cioè, la differenza tra 
-     <parameter>a</parameter> e il primo elemento al quadrato). 
-    </para>
-   </refsect1>
-  </refentry>
-
-<!-- Keep this comment at the end of the file
-Local variables:
-mode: sgml
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diff --git a/reference/gmp/functions/gmp-strval.xml b/reference/gmp/functions/gmp-strval.xml
deleted file mode 100644
index ce61b1fb9..000000000
--- a/reference/gmp/functions/gmp-strval.xml
+++ /dev/null
@@ -1,58 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- splitted from ./it/functions/gmp.xml, last change in rev 1.1 -->
-<!-- last change to 'gmp-strval' in en/ tree in rev 1.1 -->
-<!-- EN-Revision: n/a Maintainer: calandra Status: ready -->
-<!-- OLD-Revision: 1.25/EN.1.1 -->
-  <refentry xml:id="function.gmp-strval" xmlns="http://docbook.org/ns/docbook">
-   <refnamediv>
-    <refname>gmp_strval</refname>
-    <refpurpose>Converte un numero GMP in una stringa</refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Descrizione</title>
-     <methodsynopsis>
-      <type>string</type><methodname>gmp_strval</methodname>
-     <methodparam><type>resource</type><parameter>gmpnumber</parameter></methodparam>
-     <methodparam choice="opt"><type>int</type><parameter>base</parameter></methodparam>
-     </methodsynopsis>
-    <para>
-     Converte un numero GMP in una stringa rappresentato in base 
-     <parameter>base</parameter>. La base di default è 10. Le basi 
-     consentite variano dal 2 al 36. 
-    </para>
-    <para>
-     <example>
-      <title>Converte un numero GMP in una stringa</title>
-      <programlisting role="php">
-<![CDATA[
-<?php
-    $a = gmp_init("0x41682179fbf5");
-    printf ("Decimal: %s, 36-based: %s", gmp_strval($a), gmp_strval($a,36));
-?>
-]]>
-      </programlisting>
-     </example>
-    </para>
-   </refsect1>
-  </refentry>
-
-<!-- Keep this comment at the end of the file
-Local variables:
-mode: sgml
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diff --git a/reference/gmp/functions/gmp-sub.xml b/reference/gmp/functions/gmp-sub.xml
deleted file mode 100644
index 04d4eb1f3..000000000
--- a/reference/gmp/functions/gmp-sub.xml
+++ /dev/null
@@ -1,44 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- splitted from ./it/functions/gmp.xml, last change in rev 1.1 -->
-<!-- last change to 'gmp-sub' in en/ tree in rev 1.1 -->
-<!-- EN-Revision: n/a Maintainer: calandra Status: ready -->
-<!-- OLD-Revision: 1.25/EN.1.1 -->
-  <refentry xml:id="function.gmp-sub" xmlns="http://docbook.org/ns/docbook">
-   <refnamediv>
-    <refname>gmp_sub</refname>
-    <refpurpose>Sottrazione di numeri</refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Descrizione</title>
-     <methodsynopsis>
-      <type>resource</type><methodname>gmp_sub</methodname>
-      <methodparam><type>resource</type><parameter>a</parameter></methodparam>
-      <methodparam><type>resource</type><parameter>b</parameter></methodparam>
-     </methodsynopsis>
-    <para>
-     Sottrae <parameter>b</parameter> da <parameter>a</parameter>
-     e restituisce il risultato.
-    </para>
-   </refsect1>
-  </refentry>
-
-<!-- Keep this comment at the end of the file
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-mode: sgml
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diff --git a/reference/gmp/functions/gmp-xor.xml b/reference/gmp/functions/gmp-xor.xml
deleted file mode 100644
index d2d69f785..000000000
--- a/reference/gmp/functions/gmp-xor.xml
+++ /dev/null
@@ -1,43 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- splitted from ./it/functions/gmp.xml, last change in rev 1.1 -->
-<!-- last change to 'gmp-xor' in en/ tree in rev 1.1 -->
-<!-- EN-Revision: n/a Maintainer: calandra Status: ready -->
-<!-- OLD-Revision: 1.25/EN.1.1 -->
-  <refentry xml:id="function.gmp-xor" xmlns="http://docbook.org/ns/docbook">
-   <refnamediv>
-    <refname>gmp_xor</refname>
-    <refpurpose>XOR logico</refpurpose>
-   </refnamediv>
-   <refsect1>
-    <title>Descrizione</title>
-     <methodsynopsis>
-      <type>resource</type><methodname>gmp_xor</methodname>
-      <methodparam><type>resource</type><parameter>a</parameter></methodparam>
-      <methodparam><type>resource</type><parameter>b</parameter></methodparam>
-     </methodsynopsis>
-    <para>
-     Calcola l'OR logico esclusivo (XOR) di due numeri GMP. 
-    </para>
-   </refsect1>
-  </refentry>
-
-<!-- Keep this comment at the end of the file
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