diff --git a/reference/ctype/configure.xml b/reference/ctype/configure.xml
index 38496ca0c..4e1fc83d6 100644
--- a/reference/ctype/configure.xml
+++ b/reference/ctype/configure.xml
@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- $Revision$ -->
-<!-- EN-Revision: b824e2b1086e94a1077bd071964547283616030a Maintainer: seros Status: ready -->
+<!-- EN-Revision: a7d56396b4b04d83871e084371cd6c6fecdafaa8 Maintainer: seros Status: ready -->
+<!-- Reviewed: yes  -->
 <section xml:id="ctype.installation" xmlns="http://docbook.org/ns/docbook">
  &reftitle.install;
  <para>
-  El soporte de ctype se puede desactivar con
-  <option role="configure">--disable-ctype</option>.
+  &installation.enabled.disable;
+  <option role="configure">--disable-ctype</option>
  </para>
  &windows.builtin;
 </section>
diff --git a/reference/ctype/functions/ctype-alnum.xml b/reference/ctype/functions/ctype-alnum.xml
index fbf95c3bf..12a28e7f7 100644
--- a/reference/ctype/functions/ctype-alnum.xml
+++ b/reference/ctype/functions/ctype-alnum.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- $Revision$ -->
-<!-- EN-Revision: c3b3848a35a882cc2068405c960d74bb14bfddd5 Maintainer: aeoris Status: ready -->
+<!-- EN-Revision: e20e74073379710a4f6316734c42996c8fbf9beb Maintainer: aeoris Status: ready -->
 <!-- Reviewed: no -->
 <!-- splitted from ./en/functions/ctype.xml, last change in rev 1.1 -->
 <refentry xml:id="function.ctype-alnum" xmlns="http://docbook.org/ns/docbook">
@@ -12,7 +11,7 @@
   &reftitle.description;
   <methodsynopsis>
    <type>bool</type><methodname>ctype_alnum</methodname>
-   <methodparam><type>string</type><parameter>text</parameter></methodparam>
+   <methodparam><type>mixed</type><parameter>text</parameter></methodparam>
   </methodsynopsis>
   <para>
    Chequea si todos los caracteres en la <type>string</type> entregada,
@@ -29,19 +28,24 @@
      <listitem>
       <para>
        La cadena de prueba.
+       &note.ctype.parameter.integer;
+       &note.ctype.parameter.non-string;
       </para>
      </listitem>
     </varlistentry>
    </variablelist>
   </para>
  </refsect1>
+
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
    Devuelve &true; si cada caracter de <parameter>texto</parameter> es
    o bien uno letra o un dígito, &false; de lo contrario.
+   &ctype.result.empty-string;
   </para>
  </refsect1>
+
  <refsect1 role="examples">
   &reftitle.examples;
   <para>
@@ -72,11 +76,6 @@ La cadena foo!#$bar no consiste completamente de letras o dígitos.
    </example>
   </para>
  </refsect1>
- 
-  <refsect1 role="notes">
-  &reftitle.notes;
-  &note.ctype.parameter.integer;
- </refsect1>
 
  <refsect1 role="seealso">
   &reftitle.seealso;
@@ -85,6 +84,7 @@ La cadena foo!#$bar no consiste completamente de letras o dígitos.
     <member><function>ctype_alpha</function></member>
     <member><function>ctype_digit</function></member>
     <member><function>setlocale</function></member>
+    <member><function>IntlChar::isalnum</function></member>
    </simplelist>
   </para>
  </refsect1>
diff --git a/reference/ctype/functions/ctype-alpha.xml b/reference/ctype/functions/ctype-alpha.xml
index e0f2195b7..ded79d6b5 100644
--- a/reference/ctype/functions/ctype-alpha.xml
+++ b/reference/ctype/functions/ctype-alpha.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- $Revision$ -->
-<!-- EN-Revision: 54514da2e17fc75800d5b83e4b788863c04d60e4 Maintainer: andresdzphp Status: ready -->
+<!-- EN-Revision: e20e74073379710a4f6316734c42996c8fbf9beb Maintainer: andresdzphp Status: ready -->
 <!-- Reviewed: no -->
 <!-- splitted from ./en/functions/ctype.xml, last change in rev 1.1 -->
 <refentry xml:id="function.ctype-alpha" xmlns="http://docbook.org/ns/docbook">
@@ -12,7 +11,7 @@
   &reftitle.description;
   <methodsynopsis>
    <type>bool</type><methodname>ctype_alpha</methodname>
-   <methodparam><type>string</type><parameter>text</parameter></methodparam>
+   <methodparam><type>mixed</type><parameter>text</parameter></methodparam>
   </methodsynopsis>
   <para>
    Verifica si todos los caracteres en la <type>string</type>
@@ -25,7 +24,7 @@
    minúsculas.
   </para>
  </refsect1>
- 
+
  <refsect1 role="parameters">
   &reftitle.parameters;
   <para>
@@ -35,21 +34,24 @@
      <listitem>
       <para>
        El string de prueba.
+       &note.ctype.parameter.integer;
+       &note.ctype.parameter.non-string;
       </para>
      </listitem>
     </varlistentry>
    </variablelist>
   </para>
  </refsect1>
- 
+
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
    Devuelve &true; si cada caracter de <parameter>texto</parameter> es una
    letra de la localización actual, &false; de lo contrario.
+   &ctype.result.empty-string;
   </para>
  </refsect1>
- 
+
  <refsect1 role="examples">
   &reftitle.examples;
   <para>
@@ -80,12 +82,7 @@ La cadena arf12 no consiste completamente de letras.
    </example>
   </para>
  </refsect1>
- 
- <refsect1 role="notes">
-  &reftitle.notes;
-  &note.ctype.parameter.integer;
- </refsect1>
- 
+
  <refsect1 role="seealso">
   &reftitle.seealso;
   <para>
@@ -93,6 +90,7 @@ La cadena arf12 no consiste completamente de letras.
     <member><function>ctype_upper</function></member>
     <member><function>ctype_lower</function></member>
     <member><function>setlocale</function></member>
+    <member><function>IntlChar::isalpha</function></member>
    </simplelist>
   </para>
  </refsect1>
diff --git a/reference/ctype/functions/ctype-cntrl.xml b/reference/ctype/functions/ctype-cntrl.xml
index 3c11cdd79..76074cf00 100644
--- a/reference/ctype/functions/ctype-cntrl.xml
+++ b/reference/ctype/functions/ctype-cntrl.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- $Revision$ -->
-<!-- EN-Revision: 54514da2e17fc75800d5b83e4b788863c04d60e4 Maintainer: andresdzphp Status: ready -->
+<!-- EN-Revision: e20e74073379710a4f6316734c42996c8fbf9beb Maintainer: andresdzphp Status: ready -->
 <!-- Reviewed: no -->
 <!-- splitted from ./en/functions/ctype.xml, last change in rev 1.1 -->
 <refentry xml:id="function.ctype-cntrl" xmlns="http://docbook.org/ns/docbook">
@@ -12,7 +11,7 @@
   &reftitle.description;
   <methodsynopsis>
    <type>bool</type><methodname>ctype_cntrl</methodname>
-   <methodparam><type>string</type><parameter>text</parameter></methodparam>
+   <methodparam><type>mixed</type><parameter>text</parameter></methodparam>
   </methodsynopsis>
   <para>
    Verifica si todos los caracteres en la <type>string</type> entregada,
@@ -21,7 +20,7 @@
    escape.
   </para>
  </refsect1>
- 
+
  <refsect1 role="parameters">
   &reftitle.parameters;
   <para>
@@ -31,21 +30,24 @@
      <listitem>
       <para>
        El string de prueba.
+       &note.ctype.parameter.integer;
+       &note.ctype.parameter.non-string;
       </para>
      </listitem>
     </varlistentry>
    </variablelist>
   </para>
  </refsect1>
- 
+
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
    Devuelve &true; si cada caracter de <parameter>texto</parameter> es un
    caracter de control de la localización actual, &false; de lo contrario.
+   &ctype.result.empty-string;
   </para>
  </refsect1>
- 
+
  <refsect1 role="examples">
   &reftitle.examples;
   <para>
@@ -75,17 +77,13 @@ La cadena 'cadena2' no consiste completamente de caracteres de control.
    </example>
   </para>
  </refsect1>
- 
- <refsect1 role="notes">
-  &reftitle.notes;
-  &note.ctype.parameter.integer;
- </refsect1>
- 
+
  <refsect1 role="seealso">
   &reftitle.seealso;
   <para>
    <simplelist>
     <member><function>ctype_print</function></member>
+    <member><function>IntlChar::iscntrl</function></member>
    </simplelist>
   </para>
  </refsect1>
diff --git a/reference/ctype/functions/ctype-digit.xml b/reference/ctype/functions/ctype-digit.xml
index 35114b5c9..63de5bdc3 100644
--- a/reference/ctype/functions/ctype-digit.xml
+++ b/reference/ctype/functions/ctype-digit.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- $Revision$ -->
-<!-- EN-Revision: 3ca09df0903bd6d402aa9e07a5e3a1c178f5b3ef Maintainer: andresdzphp Status: ready -->
+<!-- EN-Revision: e20e74073379710a4f6316734c42996c8fbf9beb Maintainer: andresdzphp Status: ready -->
 <!-- Reviewed: no -->
 <!-- splitted from ./en/functions/ctype.xml, last change in rev 1.1 -->
 <refentry xml:id="function.ctype-digit" xmlns="http://docbook.org/ns/docbook">
@@ -12,7 +11,7 @@
   &reftitle.description;
   <methodsynopsis>
    <type>bool</type><methodname>ctype_digit</methodname>
-   <methodparam><type>string</type><parameter>text</parameter></methodparam>
+   <methodparam><type>mixed</type><parameter>text</parameter></methodparam>
   </methodsynopsis>
   <para>
    Verifica si todos los caracteres en la <type>string</type> entregada,
@@ -29,6 +28,8 @@
      <listitem>
       <para>
        La cadena probada.
+       &note.ctype.parameter.integer;
+       &note.ctype.parameter.non-string;
       </para>
      </listitem>
     </varlistentry>
@@ -41,34 +42,10 @@
   <para>
    Devuelve &true; si cada caracter del <parameter>texto</parameter> es un
    dígito decimal, o &false; de lo contrario.
+   &ctype.result.empty-string;
   </para>
  </refsect1>
 
-  <refsect1 role="changelog">
-  &reftitle.changelog;
-  <para>
-   <informaltable>
-    <tgroup cols="2">
-     <thead>
-      <row>
-       <entry>&Version;</entry>
-       <entry>&Description;</entry>
-      </row>
-     </thead>
-     <tbody>
-      <row>
-       <entry>5.1.0</entry>
-       <entry>
-        En versiones anteriores a PHP 5.1.0, esta función devolvía &true;
-        cuando <parameter>text</parameter> era una cadena vacía.
-       </entry>
-      </row>
-     </tbody>
-    </tgroup>
-   </informaltable>
-  </para>
- </refsect1>
- 
  <refsect1 role="examples">
   &reftitle.examples;
   <para>
@@ -117,21 +94,8 @@ is_numeric($integer);          // true
 ]]>
     </programlisting>
    </example>
-  </para>  
+  </para>
  </refsect1>
- 
- <refsect1 role="notes">
-  &reftitle.notes;
-  <note>
-   <para>
-    Esta función espera un <type>string</type> para ser útil, por ejemplo si pasamos
-    un <type>integer</type> no puede devolver el resultado esperado. Sin embargo, nótese también
-    los formularios HTML resultarán en strings numéricos y no en integers. Ver también
-    la sección del manual <link linkend="language.types">tipos</link>. 
-   </para>
-  </note>
-  &note.ctype.parameter.integer;
- </refsect1> 
 
  <refsect1 role="seealso">
   &reftitle.seealso;
@@ -141,7 +105,8 @@ is_numeric($integer);          // true
     <member><function>ctype_xdigit</function></member>
     <member><function>is_numeric</function></member>
     <member><function>is_int</function></member>
-    <member><function>is_string</function></member>    
+    <member><function>is_string</function></member>
+    <member><function>IntlChar::isdigit</function></member>
    </simplelist>
   </para>
  </refsect1>
diff --git a/reference/ctype/functions/ctype-graph.xml b/reference/ctype/functions/ctype-graph.xml
index 4b43d7e4a..6bf601a44 100644
--- a/reference/ctype/functions/ctype-graph.xml
+++ b/reference/ctype/functions/ctype-graph.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- $Revision$ -->
-<!-- EN-Revision: 3ca09df0903bd6d402aa9e07a5e3a1c178f5b3ef Maintainer: andresdzphp Status: ready -->
+<!-- EN-Revision: e20e74073379710a4f6316734c42996c8fbf9beb Maintainer: andresdzphp Status: ready -->
 <!-- Reviewed: no -->
 <!-- splitted from ./en/functions/ctype.xml, last change in rev 1.1 -->
 <refentry xml:id="function.ctype-graph" xmlns="http://docbook.org/ns/docbook">
@@ -13,7 +12,7 @@
   &reftitle.description;
   <methodsynopsis>
    <type>bool</type><methodname>ctype_graph</methodname>
-   <methodparam><type>string</type><parameter>text</parameter></methodparam>
+   <methodparam><type>mixed</type><parameter>text</parameter></methodparam>
   </methodsynopsis>
   <para>
    Verifica si todos los caracteres en la <type>string</type> entregada,
@@ -30,6 +29,8 @@
      <listitem>
       <para>
        La cadena de prueba.
+       &note.ctype.parameter.integer;
+       &note.ctype.parameter.non-string;
       </para>
      </listitem>
     </varlistentry>
@@ -43,6 +44,7 @@
    Devuelve &true; si cada caracter del <parameter>texto</parameter>
    es imprimible y genera alguna salida visible (no incluye los
    espacios), o &false; de lo contrario.
+   &ctype.result.empty-string;
   </para>
  </refsect1>
 
@@ -76,11 +78,6 @@ La cadena 'cadena3' consiste completamente de caracteres (visiblemente) imprimib
    </example>
   </para>
  </refsect1>
- 
-  <refsect1 role="notes">
-  &reftitle.notes;
-  &note.ctype.parameter.integer;
- </refsect1>
 
  <refsect1 role="seealso">
   &reftitle.seealso;
@@ -89,6 +86,7 @@ La cadena 'cadena3' consiste completamente de caracteres (visiblemente) imprimib
     <member><function>ctype_alnum</function></member>
     <member><function>ctype_print</function></member>
     <member><function>ctype_punct</function></member>
+    <member><function>IntlChar::isgraph</function></member>
    </simplelist>
   </para>
  </refsect1>
diff --git a/reference/ctype/functions/ctype-lower.xml b/reference/ctype/functions/ctype-lower.xml
index 9a94a0a0d..4ca89b18a 100644
--- a/reference/ctype/functions/ctype-lower.xml
+++ b/reference/ctype/functions/ctype-lower.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- $Revision$ -->
-<!-- EN-Revision: 3ca09df0903bd6d402aa9e07a5e3a1c178f5b3ef Maintainer: andresdzphp Status: ready -->
+<!-- EN-Revision: e20e74073379710a4f6316734c42996c8fbf9beb Maintainer: andresdzphp Status: ready -->
 <!-- Reviewed: no -->
 <!-- splitted from ./en/functions/ctype.xml, last change in rev 1.1 -->
 <refentry xml:id="function.ctype-lower" xmlns="http://docbook.org/ns/docbook">
@@ -12,7 +11,7 @@
   &reftitle.description;
   <methodsynopsis>
    <type>bool</type><methodname>ctype_lower</methodname>
-   <methodparam><type>string</type><parameter>text</parameter></methodparam>
+   <methodparam><type>mixed</type><parameter>text</parameter></methodparam>
   </methodsynopsis>
   <para>
    Verifica si todos los caracteres en la <type>string</type> entregada,
@@ -29,6 +28,8 @@
      <listitem>
       <para>
        La cadena de prueba.
+       &note.ctype.parameter.integer;
+       &note.ctype.parameter.non-string;
       </para>
      </listitem>
     </varlistentry>
@@ -41,6 +42,7 @@
   <para>
    Devuelve &true; si cada caracter del <parameter>texto</parameter>
    es una letra minúscula en la localidad actual.
+   &ctype.result.empty-string;
   </para>
  </refsect1>
 
@@ -75,11 +77,6 @@ La cadena QASsdks no consiste completamente de letras minúsculas.
    </example>
   </para>
  </refsect1>
- 
-  <refsect1 role="notes">
-  &reftitle.notes;
-  &note.ctype.parameter.integer;
- </refsect1>
 
  <refsect1 role="seealso">
   &reftitle.seealso;
@@ -88,6 +85,7 @@ La cadena QASsdks no consiste completamente de letras minúsculas.
     <member><function>ctype_alpha</function></member>
     <member><function>ctype_upper</function></member>
     <member><function>setlocale</function></member>
+    <member><function>IntlChar::islower</function></member>
    </simplelist>
   </para>
  </refsect1>
diff --git a/reference/ctype/functions/ctype-print.xml b/reference/ctype/functions/ctype-print.xml
index 4d2625d78..f1be4b139 100644
--- a/reference/ctype/functions/ctype-print.xml
+++ b/reference/ctype/functions/ctype-print.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- $Revision$ -->
-<!-- EN-Revision: 3ca09df0903bd6d402aa9e07a5e3a1c178f5b3ef Maintainer: andresdzphp Status: ready -->
+<!-- EN-Revision: e20e74073379710a4f6316734c42996c8fbf9beb Maintainer: andresdzphp Status: ready -->
 <!-- Reviewed: no -->
 <!-- splitted from ./en/functions/ctype.xml, last change in rev 1.1 -->
 <refentry xml:id="function.ctype-print" xmlns="http://docbook.org/ns/docbook">
@@ -13,7 +12,7 @@
   &reftitle.description;
   <methodsynopsis>
    <type>bool</type><methodname>ctype_print</methodname>
-   <methodparam><type>string</type><parameter>text</parameter></methodparam>
+   <methodparam><type>mixed</type><parameter>text</parameter></methodparam>
   </methodsynopsis>
   <para>
    verifica si todos los caracteres en la <type>string</type> entregada,
@@ -30,6 +29,8 @@
      <listitem>
       <para>
        La cadena de prueba.
+       &note.ctype.parameter.integer;
+       &note.ctype.parameter.non-string;
       </para>
      </listitem>
     </varlistentry>
@@ -45,6 +46,7 @@
    &false; si el <parameter>texto</parameter> incluye caracteres de
    control o caracteres que no producen ninguna salida ni realizan
    función de control alguna después de todo.
+   &ctype.result.empty-string;
   </para>
  </refsect1>
 
@@ -78,11 +80,6 @@ La cadena 'cadena3' consiste completamente de caracteres imprimibles.
    </example>
   </para>
  </refsect1>
- 
-  <refsect1 role="notes">
-  &reftitle.notes;
-  &note.ctype.parameter.integer;
- </refsect1>
 
  <refsect1 role="seealso">
   &reftitle.seealso;
@@ -91,6 +88,7 @@ La cadena 'cadena3' consiste completamente de caracteres imprimibles.
     <member><function>ctype_cntrl</function></member>
     <member><function>ctype_graph</function></member>
     <member><function>ctype_punct</function></member>
+    <member><function>IntlChar::isprint</function></member>
    </simplelist>
   </para>
  </refsect1>
diff --git a/reference/ctype/functions/ctype-punct.xml b/reference/ctype/functions/ctype-punct.xml
index d40b85ced..3f518d15f 100644
--- a/reference/ctype/functions/ctype-punct.xml
+++ b/reference/ctype/functions/ctype-punct.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- $Revision$ -->
-<!-- EN-Revision: 3ca09df0903bd6d402aa9e07a5e3a1c178f5b3ef Maintainer: andresdzphp Status: ready -->
+<!-- EN-Revision: e20e74073379710a4f6316734c42996c8fbf9beb Maintainer: andresdzphp Status: ready -->
 <!-- Reviewed: no -->
 <!-- splitted from ./en/functions/ctype.xml, last change in rev 1.1 -->
 <refentry xml:id="function.ctype-punct" xmlns="http://docbook.org/ns/docbook">
@@ -16,7 +15,7 @@
   &reftitle.description;
   <methodsynopsis>
    <type>bool</type><methodname>ctype_punct</methodname>
-   <methodparam><type>string</type><parameter>text</parameter></methodparam>
+   <methodparam><type>mixed</type><parameter>text</parameter></methodparam>
   </methodsynopsis>
   <para>
    Verifica si todos los caracteres en la <type>string</type> entregada,
@@ -33,6 +32,8 @@
      <listitem>
       <para>
        La cadena de prueba.
+       &note.ctype.parameter.integer;
+       &note.ctype.parameter.non-string;
       </para>
      </listitem>
     </varlistentry>
@@ -46,6 +47,7 @@
    Devuelve &true; si cada caracter del <parameter>text</parameter>
    es imprimible, pero no es una letra, dígito o espacio en
    blanco; o &false; de lo contrario.
+   &ctype.result.empty-string;
   </para>
  </refsect1>
 
@@ -79,11 +81,6 @@ La cadena *&$() consiste completamente de signos de puntuación.
    </example>
   </para>
  </refsect1>
- 
-  <refsect1 role="notes">
-  &reftitle.notes;
-  &note.ctype.parameter.integer;
- </refsect1>
 
  <refsect1 role="seealso">
   &reftitle.seealso;
@@ -91,6 +88,7 @@ La cadena *&$() consiste completamente de signos de puntuación.
    <simplelist>
     <member><function>ctype_cntrl</function></member>
     <member><function>ctype_graph</function></member>
+    <member><function>IntlChar::ispunct</function></member>
    </simplelist>
   </para>
  </refsect1>
diff --git a/reference/ctype/functions/ctype-space.xml b/reference/ctype/functions/ctype-space.xml
index 8664789b8..151229d49 100644
--- a/reference/ctype/functions/ctype-space.xml
+++ b/reference/ctype/functions/ctype-space.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- $Revision$ -->
-<!-- EN-Revision: 35ec2791cb7076bbcba836ee97e03b93c51d83ff Maintainer: andresdzphp Status: ready -->
+<!-- EN-Revision: e20e74073379710a4f6316734c42996c8fbf9beb Maintainer: andresdzphp Status: ready -->
 <!-- Reviewed: no -->
 <!-- splitted from ./en/functions/ctype.xml, last change in rev 1.1 -->
 <refentry xml:id="function.ctype-space" xmlns="http://docbook.org/ns/docbook">
@@ -13,7 +12,7 @@
   &reftitle.description;
   <methodsynopsis>
    <type>bool</type><methodname>ctype_space</methodname>
-   <methodparam><type>string</type><parameter>text</parameter></methodparam>
+   <methodparam><type>mixed</type><parameter>text</parameter></methodparam>
   </methodsynopsis>
   <para>
    Verifica si todos los caracteres en la <type>string</type> entregada,
@@ -30,6 +29,8 @@
      <listitem>
       <para>
        El string de prueba.
+       &note.ctype.parameter.integer;
+       &note.ctype.parameter.non-string;
       </para>
      </listitem>
     </varlistentry>
@@ -47,6 +48,7 @@
    tabulación, tabulación vertical, avance
    de línea, retorno de carro y avance de
    formulario.
+   &ctype.result.empty-string;
   </para>
  </refsect1>
 
@@ -84,11 +86,6 @@ The string 'string3' contains non-whitespace characters.
    </example>
   </para>
  </refsect1>
- 
-  <refsect1 role="notes">
-  &reftitle.notes;
-  &note.ctype.parameter.integer;
- </refsect1>
 
  <refsect1 role="seealso">
   &reftitle.seealso;
@@ -97,6 +94,7 @@ The string 'string3' contains non-whitespace characters.
     <member><function>ctype_cntrl</function></member>
     <member><function>ctype_graph</function></member>
     <member><function>ctype_punct</function></member>
+    <member><function>IntlChar::isspace</function></member>
    </simplelist>
   </para>
  </refsect1>
diff --git a/reference/ctype/functions/ctype-upper.xml b/reference/ctype/functions/ctype-upper.xml
index 8fa5b04f5..7edc2b286 100644
--- a/reference/ctype/functions/ctype-upper.xml
+++ b/reference/ctype/functions/ctype-upper.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- $Revision$ -->
-<!-- EN-Revision: 3ca09df0903bd6d402aa9e07a5e3a1c178f5b3ef Maintainer: andresdzphp Status: ready -->
+<!-- EN-Revision: e20e74073379710a4f6316734c42996c8fbf9beb Maintainer: andresdzphp Status: ready -->
 <!-- Reviewed: no -->
 <!-- splitted from ./en/functions/ctype.xml, last change in rev 1.1 -->
 <refentry xml:id="function.ctype-upper" xmlns="http://docbook.org/ns/docbook">
@@ -13,7 +12,7 @@
   &reftitle.description;
   <methodsynopsis>
    <type>bool</type><methodname>ctype_upper</methodname>
-   <methodparam><type>string</type><parameter>text</parameter></methodparam>
+   <methodparam><type>mixed</type><parameter>text</parameter></methodparam>
   </methodsynopsis>
   <para>
    Verifica si todos los caracteres en la <type>string</type> entregada,
@@ -30,6 +29,8 @@
      <listitem>
       <para>
        La cadena de prueba.
+       &note.ctype.parameter.integer;
+       &note.ctype.parameter.non-string;
       </para>
      </listitem>
     </varlistentry>
@@ -42,6 +43,7 @@
   <para>
    Devuelve &true; si cada caracter del <parameter>text</parameter>
    es una letra mayúscula en la localidad actual.
+   &ctype.result.empty-string;
   </para>
  </refsect1>
 
@@ -76,11 +78,6 @@ La cadena akwSKWsm no consiste completamente de signos de letras mayúsculas.
    </example>
   </para>
  </refsect1>
- 
-  <refsect1 role="notes">
-  &reftitle.notes;
-  &note.ctype.parameter.integer;
- </refsect1>
 
  <refsect1 role="seealso">
   &reftitle.seealso;
@@ -89,6 +86,7 @@ La cadena akwSKWsm no consiste completamente de signos de letras mayúsculas.
     <member><function>ctype_alpha</function></member>
     <member><function>ctype_lower</function></member>
     <member><function>setlocale</function></member>
+    <member><function>IntlChar::isupper</function></member>
    </simplelist>
   </para>
  </refsect1>
diff --git a/reference/ctype/functions/ctype-xdigit.xml b/reference/ctype/functions/ctype-xdigit.xml
index c616da810..addf4d9be 100644
--- a/reference/ctype/functions/ctype-xdigit.xml
+++ b/reference/ctype/functions/ctype-xdigit.xml
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- $Revision$ -->
-<!-- EN-Revision: 3ca09df0903bd6d402aa9e07a5e3a1c178f5b3ef Maintainer: andresdzphp Status: ready -->
+<!-- EN-Revision: e20e74073379710a4f6316734c42996c8fbf9beb Maintainer: andresdzphp Status: ready -->
 <!-- Reviewed: no -->
 <!-- splitted from ./en/functions/ctype.xml, last change in rev 1.1 -->
 <refentry xml:id="function.ctype-xdigit" xmlns="http://docbook.org/ns/docbook">
@@ -15,7 +14,7 @@
   &reftitle.description;
   <methodsynopsis>
    <type>bool</type><methodname>ctype_xdigit</methodname>
-   <methodparam><type>string</type><parameter>text</parameter></methodparam>
+   <methodparam><type>mixed</type><parameter>text</parameter></methodparam>
   </methodsynopsis>
   <para>
    Verifica si todos los caracteres de la <type>string</type> entregada,
@@ -32,6 +31,8 @@
      <listitem>
       <para>
        La cadena de prueba.
+       &note.ctype.parameter.integer;
+       &note.ctype.parameter.non-string;
       </para>
      </listitem>
     </varlistentry>
@@ -46,6 +47,7 @@
    es un 'dígito' hexadecimal, lo que quiere decir un
    dígito decimal o un caracter del rango
    <literal>[A-Fa-f]</literal>; &false; de lo contrario.
+   &ctype.result.empty-string;
   </para>
  </refsect1>
 
@@ -79,17 +81,13 @@ La cadena ab12bc99 consiste completamente de dígitos hexadecimales.
    </example>
   </para>
  </refsect1>
- 
-  <refsect1 role="notes">
-  &reftitle.notes;
-  &note.ctype.parameter.integer;
- </refsect1>
 
  <refsect1 role="seealso">
   &reftitle.seealso;
   <para>
    <simplelist>
     <member><function>ctype_digit</function></member>
+    <member><function>IntlChar::isxdigit</function></member>
    </simplelist>
   </para>
  </refsect1>