move exif requirements note to the new exif folder; add note about GIF write support

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@164352 c90b9560-bf6c-de11-be94-00142212c4b1

reference/exif/reference.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.1 $ -->
+<!-- $Revision: 1.2 $ -->
 <reference id="ref.exif">
  <title>Exif Functions</title>
  <titleabbrev>Exif</titleabbrev>
@@ -19,9 +19,9 @@
     &reftitle.required;
     <para>
      Your PHP must be compiled in with <literal>--enable-exif</literal>.  
-     The <acronym>GD</acronym> library is not required for the exif 
-     extension.  Window users must also have the <link linkend="ref.mbstring">
-     mbstring</link> extension enabled.
+     PHP does not require any additional library for the exif module. Windows
+     users must also have the <link linkend="ref.mbstring"> mbstring</link>
+     extension enabled.
     </para>
    </section>
 

reference/image/reference.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.20 $ -->
+<!-- $Revision: 1.21 $ -->
 <reference id="ref.image">
  <title>Image Functions</title>
  <titleabbrev>Image</titleabbrev>
@@ -75,7 +75,8 @@
          <entry>
           Only supported in GD versions older than gd-1.6. <emphasis>Read-only
           </emphasis> GIF support is available with PHP 4.3.0 and the bundled
-          GD-library.
+          GD-library. <emphasis>Write</emphasis> support is avaliable since
+          PHP 4.3.9 and PHP 5.0.1.
          </entry>
         </row>
         <row>
@@ -145,11 +146,6 @@
      <acronym>JPEG</acronym> and <acronym>TIFF</acronym> images. This way you can
      read meta data generated by digital cameras as mentioned above. These
      functions do not require the <acronym>GD</acronym> library.
-     <note>
-      <simpara>
-      PHP does not require any additional library for the exif module.
-      </simpara>
-     </note>
     </para>
    </section>