diff --git a/functions/pdf.xml b/functions/pdf.xml
index 78e86b178e..89b879b0bb 100644
--- a/functions/pdf.xml
+++ b/functions/pdf.xml
@@ -157,33 +157,33 @@
         </row>
         <row>
          <entry><function>pdf_open_gif</function></entry>
-         <entry><function>pdf_open_image_file</function>passing
+         <entry><function>pdf_open_image_file</function> passing
          <literal>"gif"</literal> as the second parameter.</entry>
         </row>
         <row>
          <entry><function>pdf_open_jpeg</function></entry>
-         <entry><function>pdf_open_image_file</function>passing
+         <entry><function>pdf_open_image_file</function> passing
          <literal>"jpeg"</literal> as the second parameter.</entry>
         </row>
         <row>
          <entry><function>pdf_open_tiff</function></entry>
-         <entry><function>pdf_open_image_file</function>passing
+         <entry><function>pdf_open_image_file</function> passing
          <literal>"tiff"</literal> as the second parameter.</entry>
         </row>
         <row>
          <entry><function>pdf_open_png</function></entry>
-         <entry><function>pdf_open_image_file</function>passing
+         <entry><function>pdf_open_image_file</function> passing
          <literal>"png"</literal> as the second parameter.</entry>
         </row>
         <row>
          <entry><function>pdf_get_imagewidth</function></entry>
-         <entry><function>pdf_get_value</function>assing
+         <entry><function>pdf_get_value</function> passing
          <literal>"imagewidth"</literal> as the second parameter and the image
          as the third parameter.</entry>
         </row>
         <row>
          <entry><function>pdf_get_imageheight</function></entry>
-         <entry><function>pdf_get_value</function>assing
+         <entry><function>pdf_get_value</function> passing
          <literal>"imageheight"</literal> as the second parameter and the
          image as the third parameter.</entry>
         </row>
@@ -249,7 +249,7 @@
       <programlisting>
 &lt;?php
 $fp = fopen("test.pdf", "w");
-$pdf = PDF_open($fp);
+$pdf = pdf_open($fp);
 pdf_set_info($pdf, "Author", "Uwe Steinmann");
 pdf_set_info($pdf, "Title", "Test for PHP wrapper of PDFlib 2.0");
 pdf_set_info($pdf, "Creator", "See Author");
@@ -400,7 +400,7 @@ fclose($fp);
 
   <refentry id="function.pdf-get-info">
    <refnamediv>
-    <refname>PDF_get_info</refname>
+    <refname>pdf_get_info</refname>
     <refpurpose>Returns an empty info structure for a pdf document</refpurpose>
    </refnamediv>
    <refsect1>
@@ -412,7 +412,7 @@ fclose($fp);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_get_info</function> function returns an
+     The <function>pdf_get_info</function> function returns an
      empty info structure for the pdf document. It should be filled
      with appropriate information like the author, subject etc. of
      the document.
@@ -422,17 +422,17 @@ fclose($fp);
     </simpara></note></para>
 
     <para>
-     See also <function>PDF_set_info_creator</function>,
-              <function>PDF_set_info_author</function>,
-              <function>PDF_set_info_keywords</function>,
-              <function>PDF_set_info_title</function>,
-              <function>PDF_set_info_subject</function>.</para>
+     See also <function>pdf_set_info_creator</function>,
+              <function>pdf_set_info_author</function>,
+              <function>pdf_set_info_keywords</function>,
+              <function>pdf_set_info_title</function>,
+              <function>pdf_set_info_subject</function>.</para>
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-set-info">
    <refnamediv>
-    <refname>PDF_set_info</refname>
+    <refname>pdf_set_info</refname>
     <refpurpose>Fills a field of the document information</refpurpose>
    </refnamediv>
    <refsect1>
@@ -446,7 +446,7 @@ fclose($fp);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_set_info</function> function sets an information field
+     The <function>pdf_set_info</function> function sets an information field
      of a pdf document.
      Possible values for the fieldname are 'Subject', 'Title', 'Creator',
      'Author', 'Keywords' and one user-defined name.
@@ -472,11 +472,11 @@ pdf_close($pdfdoc);
 
 
     <note><simpara>
-     This function replaces <function>PDF_set_info_keywords</function>,
-              <function>PDF_set_info_title</function>,
-              <function>PDF_set_info_subject</function>,
-              <function>PDF_set_info_creator</function>,
-              <function>PDF_set_info_sybject</function>.
+     This function replaces <function>pdf_set_info_keywords</function>,
+              <function>pdf_set_info_title</function>,
+              <function>pdf_set_info_subject</function>,
+              <function>pdf_set_info_creator</function>,
+              <function>pdf_set_info_sybject</function>.
     </simpara></note>
 
    </refsect1>
@@ -484,7 +484,7 @@ pdf_close($pdfdoc);
 
   <refentry id="function.pdf-open">
    <refnamediv>
-    <refname>PDF_open</refname>
+    <refname>pdf_open</refname>
     <refpurpose>Opens a new pdf document</refpurpose>
    </refnamediv>
    <refsect1>
@@ -497,7 +497,7 @@ pdf_close($pdfdoc);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_open</function> function opens
+     The <function>pdf_open</function> function opens
      a new pdf document. The corresponding file has to be opened
      with <function>fopen</function> and the file descriptor passed
      as argument <parameter>file</parameter>. <parameter>info</parameter>
@@ -517,15 +517,15 @@ pdf_close($pdfdoc);
 
     <para>
      See also <function>fopen</function>,
-              <function>PDF_get_info</function>,
-              <function>PDF_close</function>.</para>
+              <function>pdf_get_info</function>,
+              <function>pdf_close</function>.</para>
 
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-close">
    <refnamediv>
-    <refname>PDF_close</refname>
+    <refname>pdf_close</refname>
     <refpurpose>Closes a pdf document</refpurpose>
    </refnamediv>
    <refsect1>
@@ -537,12 +537,12 @@ pdf_close($pdfdoc);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_close</function> function closes the pdf document.
+     The <function>pdf_close</function> function closes the pdf document.
 
     <note><simpara>Due to an unclean implementation of the pdflib 0.6 the
      internal closing of the document also closes the file. This should
      not be done because pdflib did not open the file, but expects an
-     already open file when <function>PDF_open</function> is called.
+     already open file when <function>pdf_open</function> is called.
      Consequently it shouldn't close the file. In order to fix this
      just take out line 190 of the file p_basic.c in the pdflib 0.6
      source distribution until the next release of pdflib will fix
@@ -555,7 +555,7 @@ pdf_close($pdfdoc);
     </simpara></note></para>
 
     <para>
-     See also <function>PDF_open</function>,
+     See also <function>pdf_open</function>,
               <function>fclose</function>.</para>
 
    </refsect1>
@@ -563,7 +563,7 @@ pdf_close($pdfdoc);
 
   <refentry id="function.pdf-begin-page">
    <refnamediv>
-    <refname>PDF_begin_page</refname>
+    <refname>pdf_begin_page</refname>
     <refpurpose>Starts new page</refpurpose>
    </refnamediv>
    <refsect1>
@@ -577,21 +577,21 @@ pdf_close($pdfdoc);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_begin_page</function> function starts a new
+     The <function>pdf_begin_page</function> function starts a new
      page with height <parameter>height</parameter> and width
      <parameter>width</parameter>. In order to create a valid
      document you must call this function and
-     <function>PDF_end_page</function>.</para>
+     <function>pdf_end_page</function>.</para>
 
     <para>
-     See also <function>PDF_end_page</function>.</para>
+     See also <function>pdf_end_page</function>.</para>
 
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-end-page">
    <refnamediv>
-    <refname>PDF_end_page</refname>
+    <refname>pdf_end_page</refname>
     <refpurpose>Ends a page</refpurpose>
    </refnamediv>
    <refsect1>
@@ -603,18 +603,18 @@ pdf_close($pdfdoc);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_end_page</function> function ends a page.
+     The <function>pdf_end_page</function> function ends a page.
      Once a page is ended it cannot be modified anymore.</para>
 
     <para>
-     See also <function>PDF_begin_page</function>.</para>
+     See also <function>pdf_begin_page</function>.</para>
 
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-show">
    <refnamediv>
-    <refname>PDF_show</refname>
+    <refname>pdf_show</refname>
     <refpurpose>Output text at current position</refpurpose>
    </refnamediv>
    <refsect1>
@@ -627,21 +627,21 @@ pdf_close($pdfdoc);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_show</function> function outputs the
+     The <function>pdf_show</function> function outputs the
      string <parameter>text</parameter> at the current position
      using the current font.</para>
 
     <para>
-     See also <function>PDF_show_xy</function>,
-              <function>PDF_set_text_pos</function>,
-              <function>PDF_set_font</function>.</para>
+     See also <function>pdf_show_xy</function>,
+              <function>pdf_set_text_pos</function>,
+              <function>pdf_set_font</function>.</para>
 
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-show-boxed">
    <refnamediv>
-    <refname>PDF_show_boxed</refname>
+    <refname>pdf_show_boxed</refname>
     <refpurpose>Output text in a box</refpurpose>
    </refnamediv>
    <refsect1>
@@ -659,7 +659,7 @@ pdf_close($pdfdoc);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_show_boxed</function> function outputs the
+     The <function>pdf_show_boxed</function> function outputs the
      string <parameter>text</parameter> in a box with its lower left position
      at (<parameter>x-coor</parameter>, <parameter>y-coor</parameter>).
      The boxes dimension is <parameter>height</parameter> by 
@@ -674,15 +674,15 @@ pdf_close($pdfdoc);
      they did not fit into the box.
     </para>
     <para>
-     See also <function>PDF_show</function>,
-     <function>PDF_show_xy</function>.
+     See also <function>pdf_show</function>,
+     <function>pdf_show_xy</function>.
     </para>
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-show-xy">
    <refnamediv>
-    <refname>PDF_show_xy</refname>
+    <refname>pdf_show_xy</refname>
     <refpurpose>Output text at given position</refpurpose>
    </refnamediv>
    <refsect1>
@@ -697,19 +697,19 @@ pdf_close($pdfdoc);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_show_xy</function> function outputs the
+     The <function>pdf_show_xy</function> function outputs the
      string <parameter>text</parameter> at position
      (<parameter>x-coor</parameter>, <parameter>y-coor</parameter>).</para>
 
     <para>
-     See also <function>PDF_show</function>.</para>
+     See also <function>pdf_show</function>.</para>
 
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-set-font">
    <refnamediv>
-    <refname>PDF_set_font</refname>
+    <refname>pdf_set_font</refname>
     <refpurpose>Selects a font face and size</refpurpose>
    </refnamediv>
    <refsect1>
@@ -725,7 +725,7 @@ pdf_close($pdfdoc);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_set_font</function> function sets the
+     The <function>pdf_set_font</function> function sets the
      current font face, font size and encoding. If you use pdflib 0.6
      you will need to
      provide the Adobe Font Metrics (afm-files) for the font in the
@@ -743,13 +743,13 @@ pdf_close($pdfdoc);
      and you cannot ensure that the person watching your document has
      access on fonts in the document.
      I font is only embedded once even if you call 
-     <function>PDF_set_font</function> several times.
+     <function>pdf_set_font</function> several times.
     </para>
 
     <note>
      <simpara>
       This function has to be called after
-      <function>PDF_begin_page</function> in order to create a valid
+      <function>pdf_begin_page</function> in order to create a valid
       pdf document.
      </simpara>
     </note>
@@ -768,7 +768,7 @@ pdf_close($pdfdoc);
 
   <refentry id="function.pdf-set-leading">
    <refnamediv>
-    <refname>PDF_set_leading</refname>
+    <refname>pdf_set_leading</refname>
     <refpurpose>Sets distance between text lines</refpurpose>
    </refnamediv>
    <refsect1>
@@ -781,19 +781,19 @@ pdf_close($pdfdoc);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_set_leading</function> function sets the distance
+     The <function>pdf_set_leading</function> function sets the distance
      between text lines. This will be used if text is output by
-     <function>PDF_continue_text</function>.</para>
+     <function>pdf_continue_text</function>.</para>
 
     <para>
-     See also <function>PDF_continue_text</function>.</para>
+     See also <function>pdf_continue_text</function>.</para>
 
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-set-parameter">
    <refnamediv>
-    <refname>PDF_set_parameter</refname>
+    <refname>pdf_set_parameter</refname>
     <refpurpose>Sets certain parameters</refpurpose>
    </refnamediv>
    <refsect1>
@@ -807,18 +807,18 @@ pdf_close($pdfdoc);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_set_parameter</function> function sets several
+     The <function>pdf_set_parameter</function> function sets several
      parameters of pdflib which are of the type string.</para>
     <para>
-     See also <function>PDF_get_value</function>,
-              <function>PDF_set_value</function>,
-              <function>PDF_get_parameter</function>.</para>
+     See also <function>pdf_get_value</function>,
+              <function>pdf_set_value</function>,
+              <function>pdf_get_parameter</function>.</para>
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-get-parameter">
    <refnamediv>
-    <refname>PDF_get_parameter</refname>
+    <refname>pdf_get_parameter</refname>
     <refpurpose>Gets certain parameters</refpurpose>
    </refnamediv>
    <refsect1>
@@ -832,20 +832,20 @@ pdf_close($pdfdoc);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_get_parameter</function> function gets several
+     The <function>pdf_get_parameter</function> function gets several
      parameters of pdflib which are of the type string. The function parameter
      <parameter>modifier</parameter> characterizes the parameter to get.
      If the modifier is not needed it has to be 0 or not passed at all.</para>
     <para>
-     See also <function>PDF_get_value</function>,
-              <function>PDF_set_value</function>,
-              <function>PDF_set_parameter</function>.</para>
+     See also <function>pdf_get_value</function>,
+              <function>pdf_set_value</function>,
+              <function>pdf_set_parameter</function>.</para>
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-set-value">
    <refnamediv>
-    <refname>PDF_set_value</refname>
+    <refname>pdf_set_value</refname>
     <refpurpose>Sets certain numerical value</refpurpose>
    </refnamediv>
    <refsect1>
@@ -859,18 +859,18 @@ pdf_close($pdfdoc);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_set_value</function> function sets several
+     The <function>pdf_set_value</function> function sets several
      numerical parameters of pdflib.</para>
     <para>
-     See also <function>PDF_get_value</function>,
-              <function>PDF_get_parameter</function>,
-              <function>PDF_set_parameter</function>.</para>
+     See also <function>pdf_get_value</function>,
+              <function>pdf_get_parameter</function>,
+              <function>pdf_set_parameter</function>.</para>
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-get-value">
    <refnamediv>
-    <refname>PDF_get_value</refname>
+    <refname>pdf_get_value</refname>
     <refpurpose>Gets certain numerical value</refpurpose>
    </refnamediv>
    <refsect1>
@@ -884,20 +884,20 @@ pdf_close($pdfdoc);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_get_value</function> function gets several
+     The <function>pdf_get_value</function> function gets several
      numerical parameters of pdflib. The function parameter
      <parameter>modifier</parameter> characterizes the parameter to get.
      If the modifier is not needed it has to be 0 or not passed at all.</para>
     <para>
-     See also <function>PDF_set_value</function>,
-              <function>PDF_get_parameter</function>,
-              <function>PDF_set_parameter</function>.</para>
+     See also <function>pdf_set_value</function>,
+              <function>pdf_get_parameter</function>,
+              <function>pdf_set_parameter</function>.</para>
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-get-image-height">
    <refnamediv>
-    <refname>PDF_get_image_height</refname>
+    <refname>pdf_get_image_height</refname>
     <refpurpose>Returns height of an image</refpurpose>
    </refnamediv>
    <refsect1>
@@ -910,18 +910,18 @@ pdf_close($pdfdoc);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_get_image_height</function> function returns the
+     The <function>pdf_get_image_height</function> function returns the
      heights of a pdf image in pixel.</para>
     <para>
-     See also <function>PDF_open_image_file</function>,
-              <function>PDF_open_memory_image</function>,
-              <function>PDF_get_image_width</function>.</para>
+     See also <function>pdf_open_image_file</function>,
+              <function>pdf_open_memory_image</function>,
+              <function>pdf_get_image_width</function>.</para>
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-get-image-width">
    <refnamediv>
-    <refname>PDF_get_image_width</refname>
+    <refname>pdf_get_image_width</refname>
     <refpurpose>Returns width of an image</refpurpose>
    </refnamediv>
    <refsect1>
@@ -934,18 +934,18 @@ pdf_close($pdfdoc);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_get_image_width</function> function returns the
+     The <function>pdf_get_image_width</function> function returns the
      widths of a pdf image in pixel.</para>
     <para>
-     See also <function>PDF_open_image_file</function>,
-              <function>PDF_open_memory_image</function>,
-              <function>PDF_get_image_height</function>.</para>
+     See also <function>pdf_open_image_file</function>,
+              <function>pdf_open_memory_image</function>,
+              <function>pdf_get_image_height</function>.</para>
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-set-text-rendering">
    <refnamediv>
-    <refname>PDF_set_text_rendering</refname>
+    <refname>pdf_set_text_rendering</refname>
     <refpurpose>Determines how text is rendered</refpurpose>
    </refnamediv>
    <refsect1>
@@ -958,7 +958,7 @@ pdf_close($pdfdoc);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_set_text_rendering</function> function determines
+     The <function>pdf_set_text_rendering</function> function determines
      how text is rendered. The possible values for <parameter>mode</parameter>
      are 0=fill text, 1=stroke text, 2=fill and stroke text, 3=invisible,
      4=fill text and add it to cliping path, 5=stroke text and add it to
@@ -969,7 +969,7 @@ pdf_close($pdfdoc);
 
   <refentry id="function.pdf-set-horiz-scaling">
    <refnamediv>
-    <refname>PDF_set_horiz_scaling</refname>
+    <refname>pdf_set_horiz_scaling</refname>
     <refpurpose>Sets horizontal scaling of text</refpurpose>
    </refnamediv>
    <refsect1>
@@ -982,14 +982,14 @@ pdf_close($pdfdoc);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_set_horiz_scaling</function> function sets the
+     The <function>pdf_set_horiz_scaling</function> function sets the
      horizontal scaling to <parameter>scale</parameter> percent.</para>
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-set-text-rise">
    <refnamediv>
-    <refname>PDF_set_text_rise</refname>
+    <refname>pdf_set_text_rise</refname>
     <refpurpose>Sets the text rise</refpurpose>
    </refnamediv>
    <refsect1>
@@ -1002,14 +1002,14 @@ pdf_close($pdfdoc);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_set_text_rise</function> function sets the
+     The <function>pdf_set_text_rise</function> function sets the
      text rising to <parameter>rise</parameter> points.</para>
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-set-text-matrix">
    <refnamediv>
-    <refname>PDF_set_text_matrix</refname>
+    <refname>pdf_set_text_matrix</refname>
     <refpurpose>Sets the text matrix</refpurpose>
    </refnamediv>
    <refsect1>
@@ -1022,7 +1022,7 @@ pdf_close($pdfdoc);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_set_text_matrix</function> function sets
+     The <function>pdf_set_text_matrix</function> function sets
      a matrix which describes a transformation applied on the current
      text font. The matrix has to passed as an array with six elements.</para>
     <note><simpara>This function is not available anymore since pdflib 2.3
@@ -1032,7 +1032,7 @@ pdf_close($pdfdoc);
 
   <refentry id="function.pdf-set-text-pos">
    <refnamediv>
-    <refname>PDF_set_text_pos</refname>
+    <refname>pdf_set_text_pos</refname>
     <refpurpose>Sets text position</refpurpose>
    </refnamediv>
    <refsect1>
@@ -1046,18 +1046,18 @@ pdf_close($pdfdoc);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_set_text_pos</function> function sets the
+     The <function>pdf_set_text_pos</function> function sets the
      position of text for the next <function>pdf_show</function> 
      function call.</para>
     <para>
-     See also <function>PDF_show</function>,
-              <function>PDF_show_xy</function>.</para>
+     See also <function>pdf_show</function>,
+              <function>pdf_show_xy</function>.</para>
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-set-char-spacing">
    <refnamediv>
-    <refname>PDF_set_char_spacing</refname>
+    <refname>pdf_set_char_spacing</refname>
     <refpurpose>Sets character spacing</refpurpose>
    </refnamediv>
    <refsect1>
@@ -1070,18 +1070,18 @@ pdf_close($pdfdoc);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_set_char_spacing</function> function sets the
+     The <function>pdf_set_char_spacing</function> function sets the
      spacing between characters.</para>
     <para>
-     See also <function>PDF_set_word_spacing</function>,
-              <function>PDF_set_leading</function>.</para>
+     See also <function>pdf_set_word_spacing</function>,
+              <function>pdf_set_leading</function>.</para>
 
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-set-word-spacing">
    <refnamediv>
-    <refname>PDF_set_word_spacing</refname>
+    <refname>pdf_set_word_spacing</refname>
     <refpurpose>Sets spacing between words</refpurpose>
    </refnamediv>
    <refsect1>
@@ -1094,19 +1094,19 @@ pdf_close($pdfdoc);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_set_word_spacing</function> function sets the
+     The <function>pdf_set_word_spacing</function> function sets the
      spacing between words.</para>
 
     <para>
-     See also <function>PDF_set_char_spacing</function>,
-              <function>PDF_set_leading</function>.</para>
+     See also <function>pdf_set_char_spacing</function>,
+              <function>pdf_set_leading</function>.</para>
 
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-skew">
    <refnamediv>
-    <refname>PDF_skew</refname>
+    <refname>pdf_skew</refname>
     <refpurpose>Skews the coordinate system</refpurpose>
    </refnamediv>
    <refsect1>
@@ -1120,7 +1120,7 @@ pdf_close($pdfdoc);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_skew</function> function skew the coordinate
+     The <function>pdf_skew</function> function skew the coordinate
      system by <parameter>alpha</parameter> (x) and 
      <parameter>beta</parameter> (y) degrees.
      <parameter>alpha</parameter> and <parameter>beta</parameter> may
@@ -1131,7 +1131,7 @@ pdf_close($pdfdoc);
 
   <refentry id="function.pdf-continue-text">
    <refnamediv>
-    <refname>PDF_continue_text</refname>
+    <refname>pdf_continue_text</refname>
     <refpurpose>Outputs text in next line</refpurpose>
    </refnamediv>
    <refsect1>
@@ -1144,22 +1144,22 @@ pdf_close($pdfdoc);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_continue_text</function> function outputs the
+     The <function>pdf_continue_text</function> function outputs the
      string in <parameter>text</parameter> in the next line.
      The distance between the lines can be set with
-     <function>PDF_set_leading</function>.</para>
+     <function>pdf_set_leading</function>.</para>
 
     <para>
-     See also <function>PDF_show_xy</function>,
-              <function>PDF_set_leading</function>,
-              <function>PDF_set_text_pos</function>.</para>
+     See also <function>pdf_show_xy</function>,
+              <function>pdf_set_leading</function>,
+              <function>pdf_set_text_pos</function>.</para>
 
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-stringwidth">
    <refnamediv>
-    <refname>PDF_stringwidth</refname>
+    <refname>pdf_stringwidth</refname>
     <refpurpose>Returns width of text using current font</refpurpose>
    </refnamediv>
    <refsect1>
@@ -1172,20 +1172,20 @@ pdf_close($pdfdoc);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_stringwidth</function> function returns the
+     The <function>pdf_stringwidth</function> function returns the
      width of the string in <parameter>text</parameter> by using the
      current font. It requires a font to be set before with
-     <function>PDF_set_font</function>.</para>
+     <function>pdf_set_font</function>.</para>
 
     <para>
-     See also <function>PDF_set_font</function>.</para>
+     See also <function>pdf_set_font</function>.</para>
 
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-save">
    <refnamediv>
-    <refname>PDF_save</refname>
+    <refname>pdf_save</refname>
     <refpurpose>Saves the current environment</refpurpose>
    </refnamediv>
    <refsect1>
@@ -1197,22 +1197,22 @@ pdf_close($pdfdoc);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_save</function> function saves the current
+     The <function>pdf_save</function> function saves the current
      environment. It works like the postscript command gsave. Very
      useful if you want to translate or rotate an object without effecting
-     other objects. <function>PDF_save</function> should always be
-     followed by <function>PDF_restore</function> to restore the environment
-     before <function>PDF_save</function>.</para>
+     other objects. <function>pdf_save</function> should always be
+     followed by <function>pdf_restore</function> to restore the environment
+     before <function>pdf_save</function>.</para>
 
     <para>
-     See also <function>PDF_restore</function>.</para>
+     See also <function>pdf_restore</function>.</para>
 
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-restore">
    <refnamediv>
-    <refname>PDF_restore</refname>
+    <refname>pdf_restore</refname>
     <refpurpose>Restores formerly saved environment</refpurpose>
    </refnamediv>
    <refsect1>
@@ -1224,27 +1224,27 @@ pdf_close($pdfdoc);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_restore</function> function restores the
-     environment saved with <function>PDF_save</function>. It works
+     The <function>pdf_restore</function> function restores the
+     environment saved with <function>pdf_save</function>. It works
      like the postscript command grestore.
 
      <example>
       <title>Save and Restore</title>
       <programlisting>
-&lt;?php PDF_save($pdf);
+&lt;?php pdf_save($pdf);
 // do all kinds of rotations, transformations, ...
-PDF_restore($pdf) ?>
+pdf_restore($pdf) ?>
 </programlisting></example></para>
 
     <para>
-     See also <function>PDF_save</function>.</para>
+     See also <function>pdf_save</function>.</para>
 
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-translate">
    <refnamediv>
-    <refname>PDF_translate</refname>
+    <refname>pdf_translate</refname>
     <refpurpose>Sets origin of coordinate system</refpurpose>
    </refnamediv>
    <refsect1>
@@ -1258,25 +1258,25 @@ PDF_restore($pdf) ?>
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_translate</function> function sets the origin of
+     The <function>pdf_translate</function> function sets the origin of
      coordinate system to the point (<parameter>x-coor</parameter>,
      <parameter>y-coor</parameter>) relativ the current origin.
      The following example draws
      a line from (0, 0) to (200, 200) relative to the initial coordinate
      system. You have to set the current point after
-     <function>PDF_translate</function> and before you start drawing
+     <function>pdf_translate</function> and before you start drawing
      more objects.
 
      <example>
       <title>Translation</title>
       <programlisting>
-&lt;?php PDF_moveto($pdf, 0, 0);
-PDF_lineto($pdf, 100, 100);
-PDF_stroke($pdf);
-PDF_translate($pdf, 100, 100);
-PDF_moveto($pdf, 0, 0);
-PDF_lineto($pdf, 100, 100);
-PDF_stroke($pdf);
+&lt;?php pdf_moveto($pdf, 0, 0);
+pdf_lineto($pdf, 100, 100);
+pdf_stroke($pdf);
+pdf_translate($pdf, 100, 100);
+pdf_moveto($pdf, 0, 0);
+pdf_lineto($pdf, 100, 100);
+pdf_stroke($pdf);
 ?>
 </programlisting></example></para>
 
@@ -1285,7 +1285,7 @@ PDF_stroke($pdf);
 
   <refentry id="function.pdf-scale">
    <refnamediv>
-    <refname>PDF_scale</refname>
+    <refname>pdf_scale</refname>
     <refpurpose>Sets scaling</refpurpose>
    </refnamediv>
    <refsect1>
@@ -1299,7 +1299,7 @@ PDF_stroke($pdf);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_scale</function> function sets the scaling factor
+     The <function>pdf_scale</function> function sets the scaling factor
      in both directions. The following example scales x and y direction
      by 72. The following line will therefore be drawn one inch in both
      directions.
@@ -1307,9 +1307,9 @@ PDF_stroke($pdf);
      <example>
       <title>Scaling</title>
       <programlisting>
-&lt;?php PDF_scale($pdf, 72.0, 72.0);
-PDF_lineto($pdf, 1, 1);
-PDF_stroke($pdf);
+&lt;?php pdf_scale($pdf, 72.0, 72.0);
+pdf_lineto($pdf, 1, 1);
+pdf_stroke($pdf);
 ?>
 </programlisting></example></para>
 
@@ -1318,7 +1318,7 @@ PDF_stroke($pdf);
 
   <refentry id="function.pdf-rotate">
    <refnamediv>
-    <refname>PDF_rotate</refname>
+    <refname>pdf_rotate</refname>
     <refpurpose>Sets rotation</refpurpose>
    </refnamediv>
    <refsect1>
@@ -1331,7 +1331,7 @@ PDF_stroke($pdf);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_rotate</function> function sets the rotation in
+     The <function>pdf_rotate</function> function sets the rotation in
      degress to <parameter>angle</parameter>.</para>
 
    </refsect1>
@@ -1339,7 +1339,7 @@ PDF_stroke($pdf);
 
   <refentry id="function.pdf-setflat">
    <refnamediv>
-    <refname>PDF_setflat</refname>
+    <refname>pdf_setflat</refname>
     <refpurpose>Sets flatness</refpurpose>
    </refnamediv>
    <refsect1>
@@ -1352,7 +1352,7 @@ PDF_stroke($pdf);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_setflat</function> function sets the flatness to
+     The <function>pdf_setflat</function> function sets the flatness to
      a value between 0 and 100.</para>
 
    </refsect1>
@@ -1360,7 +1360,7 @@ PDF_stroke($pdf);
 
   <refentry id="function.pdf-setlinejoin">
    <refnamediv>
-    <refname>PDF_setlinejoin</refname>
+    <refname>pdf_setlinejoin</refname>
     <refpurpose>Sets linejoin parameter</refpurpose>
    </refnamediv>
    <refsect1>
@@ -1373,7 +1373,7 @@ PDF_stroke($pdf);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_setlinejoin</function> function sets the linejoin
+     The <function>pdf_setlinejoin</function> function sets the linejoin
      parameter between a value of 0 and 2.</para>
 
    </refsect1>
@@ -1381,7 +1381,7 @@ PDF_stroke($pdf);
 
   <refentry id="function.pdf-setlinecap">
    <refnamediv>
-    <refname>PDF_setlinecap</refname>
+    <refname>pdf_setlinecap</refname>
     <refpurpose>Sets linecap parameter</refpurpose>
    </refnamediv>
    <refsect1>
@@ -1394,7 +1394,7 @@ PDF_stroke($pdf);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_setlinecap</function> function sets the linecap
+     The <function>pdf_setlinecap</function> function sets the linecap
      parameter between a value of 0 and 2.</para>
 
    </refsect1>
@@ -1402,7 +1402,7 @@ PDF_stroke($pdf);
 
   <refentry id="function.pdf-setmiterlimit">
    <refnamediv>
-    <refname>PDF_setmiterlimit</refname>
+    <refname>pdf_setmiterlimit</refname>
     <refpurpose>Sets miter limit</refpurpose>
    </refnamediv>
    <refsect1>
@@ -1415,7 +1415,7 @@ PDF_stroke($pdf);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_setmiterlimit</function> function sets the miter limit
+     The <function>pdf_setmiterlimit</function> function sets the miter limit
      to a value greater of equal than 1.</para>
 
    </refsect1>
@@ -1423,7 +1423,7 @@ PDF_stroke($pdf);
 
   <refentry id="function.pdf-setlinewidth">
    <refnamediv>
-    <refname>PDF_setlinewidth</refname>
+    <refname>pdf_setlinewidth</refname>
     <refpurpose>Sets line width</refpurpose>
    </refnamediv>
    <refsect1>
@@ -1436,7 +1436,7 @@ PDF_stroke($pdf);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_setlinewidth</function> function sets the line width
+     The <function>pdf_setlinewidth</function> function sets the line width
      to <parameter>width</parameter>.</para>
 
    </refsect1>
@@ -1444,7 +1444,7 @@ PDF_stroke($pdf);
 
   <refentry id="function.pdf-setdash">
    <refnamediv>
-    <refname>PDF_setdash</refname>
+    <refname>pdf_setdash</refname>
     <refpurpose>Sets dash pattern</refpurpose>
    </refnamediv>
    <refsect1>
@@ -1458,7 +1458,7 @@ PDF_stroke($pdf);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_setdash</function> function sets the dash pattern
+     The <function>pdf_setdash</function> function sets the dash pattern
      <parameter>white</parameter> white points and <parameter>black</parameter>
      black points. If both are 0 a solid line is set.</para>
 
@@ -1467,7 +1467,7 @@ PDF_stroke($pdf);
 
   <refentry id="function.pdf-moveto">
    <refnamediv>
-    <refname>PDF_moveto</refname>
+    <refname>pdf_moveto</refname>
     <refpurpose>Sets current point</refpurpose>
    </refnamediv>
    <refsect1>
@@ -1481,7 +1481,7 @@ PDF_stroke($pdf);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_moveto</function> function sets the current point
+     The <function>pdf_moveto</function> function sets the current point
      to the coordinates <parameter>x-coor</parameter> and
      <parameter>y-coor</parameter>.</para>
 
@@ -1490,7 +1490,7 @@ PDF_stroke($pdf);
 
   <refentry id="function.pdf-curveto">
    <refnamediv>
-    <refname>PDF_curveto</refname>
+    <refname>pdf_curveto</refname>
     <refpurpose>Draws a curve</refpurpose>
    </refnamediv>
    <refsect1>
@@ -1508,7 +1508,7 @@ PDF_stroke($pdf);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_curveto</function> function draws a Bezier curve
+     The <function>pdf_curveto</function> function draws a Bezier curve
      from the current point to the point
      (<parameter>x3</parameter>, <parameter>y3</parameter>) using
      (<parameter>x1</parameter>, <parameter>y1</parameter>) and
@@ -1516,16 +1516,16 @@ PDF_stroke($pdf);
      points.</para>
 
     <para>
-     See also <function>PDF_moveto</function>,
-              <function>PDF_lineto</function>,
-              <function>PDF_stroke</function>.</para>
+     See also <function>pdf_moveto</function>,
+              <function>pdf_lineto</function>,
+              <function>pdf_stroke</function>.</para>
 
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-lineto">
    <refnamediv>
-    <refname>PDF_lineto</refname>
+    <refname>pdf_lineto</refname>
     <refpurpose>Draws a line</refpurpose>
    </refnamediv>
    <refsect1>
@@ -1539,21 +1539,21 @@ PDF_stroke($pdf);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_lineto</function> function draws a line from
+     The <function>pdf_lineto</function> function draws a line from
      the current point to the point with coordinates
      (<parameter>x-coor</parameter>, <parameter>y-coor</parameter>).</para>
 
     <para>
-     See also <function>PDF_moveto</function>,
-              <function>PDF_curveto</function>,
-              <function>PDF_stroke</function>.</para>
+     See also <function>pdf_moveto</function>,
+              <function>pdf_curveto</function>,
+              <function>pdf_stroke</function>.</para>
 
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-circle">
    <refnamediv>
-    <refname>PDF_circle</refname>
+    <refname>pdf_circle</refname>
     <refpurpose>Draws a circle</refpurpose>
    </refnamediv>
    <refsect1>
@@ -1568,21 +1568,21 @@ PDF_stroke($pdf);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_circle</function> function draws a circle with
+     The <function>pdf_circle</function> function draws a circle with
      center at point 
      (<parameter>x-coor</parameter>, <parameter>y-coor</parameter>)
      and radius <parameter>radius</parameter>.</para>
 
     <para>
-     See also <function>PDF_arc</function>,
-              <function>PDF_stroke</function>.</para>
+     See also <function>pdf_arc</function>,
+              <function>pdf_stroke</function>.</para>
 
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-arc">
    <refnamediv>
-    <refname>PDF_arc</refname>
+    <refname>pdf_arc</refname>
     <refpurpose>Draws an arc</refpurpose>
    </refnamediv>
    <refsect1>
@@ -1599,7 +1599,7 @@ PDF_stroke($pdf);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_arc</function> function draws an arc with
+     The <function>pdf_arc</function> function draws an arc with
      center at point 
      (<parameter>x-coor</parameter>, <parameter>y-coor</parameter>)
      and radius <parameter>radius</parameter>, starting at angle
@@ -1607,15 +1607,15 @@ PDF_stroke($pdf);
      <parameter>end</parameter>.</para>
 
     <para>
-     See also <function>PDF_circle</function>,
-              <function>PDF_stroke</function>.</para>
+     See also <function>pdf_circle</function>,
+              <function>pdf_stroke</function>.</para>
 
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-rect">
    <refnamediv>
-    <refname>PDF_rect</refname>
+    <refname>pdf_rect</refname>
     <refpurpose>Draws a rectangle</refpurpose>
    </refnamediv>
    <refsect1>
@@ -1631,20 +1631,20 @@ PDF_stroke($pdf);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_rect</function> function draws a rectangle with
+     The <function>pdf_rect</function> function draws a rectangle with
      its lower left corner at point 
      (<parameter>x-coor</parameter>, <parameter>y-coor</parameter>).
      This width is set to <parameter>widgth</parameter>.
      This height is set to <parameter>height</parameter>.</para>
 
     <para>
-     See also <function>PDF_stroke</function>.</para>
+     See also <function>pdf_stroke</function>.</para>
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-closepath">
    <refnamediv>
-    <refname>PDF_closepath</refname>
+    <refname>pdf_closepath</refname>
     <refpurpose>Closes path</refpurpose>
    </refnamediv>
    <refsect1>
@@ -1656,18 +1656,18 @@ PDF_stroke($pdf);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_closepath</function> function closes the
+     The <function>pdf_closepath</function> function closes the
      current path. This means, it draws a line from current point to
      the point where the first line was started. Many functions like
-     <function>PDF_moveto</function>, <function>PDF_circle</function>
-     and <function>PDF_rect</function> start a new path.</para>
+     <function>pdf_moveto</function>, <function>pdf_circle</function>
+     and <function>pdf_rect</function> start a new path.</para>
 
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-stroke">
    <refnamediv>
-    <refname>PDF_stroke</refname>
+    <refname>pdf_stroke</refname>
     <refpurpose>Draws line along path</refpurpose>
    </refnamediv>
    <refsect1>
@@ -1679,20 +1679,20 @@ PDF_stroke($pdf);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_stroke</function> function draws a line along
+     The <function>pdf_stroke</function> function draws a line along
      current path. The current path is the sum of all line drawing.
      Without this function the line would not be drawn.</para>
 
     <para>
-     See also <function>PDF_closepath</function>,
-              <function>PDF_closepath_stroke</function>.</para>
+     See also <function>pdf_closepath</function>,
+              <function>pdf_closepath_stroke</function>.</para>
 
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-closepath-stroke">
    <refnamediv>
-    <refname>PDF_closepath_stroke</refname>
+    <refname>pdf_closepath_stroke</refname>
     <refpurpose>Closes path and draws line along path</refpurpose>
    </refnamediv>
    <refsect1>
@@ -1704,20 +1704,20 @@ PDF_stroke($pdf);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_closepath_stroke</function> function is a
-     combination of <function>PDF_closepath</function> and
-     <function>PDF_stroke</function>. It also clears the path.</para>
+     The <function>pdf_closepath_stroke</function> function is a
+     combination of <function>pdf_closepath</function> and
+     <function>pdf_stroke</function>. It also clears the path.</para>
 
     <para>
-     See also <function>PDF_closepath</function>,
-              <function>PDF_stroke</function>.</para>
+     See also <function>pdf_closepath</function>,
+              <function>pdf_stroke</function>.</para>
 
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-fill">
    <refnamediv>
-    <refname>PDF_fill</refname>
+    <refname>pdf_fill</refname>
     <refpurpose>Fills current path</refpurpose>
    </refnamediv>
    <refsect1>
@@ -1729,23 +1729,23 @@ PDF_stroke($pdf);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_fill</function> function fills the interior of
+     The <function>pdf_fill</function> function fills the interior of
      the current path with the current fill color.</para>
 
     <para>
-     See also <function>PDF_closepath</function>,
-              <function>PDF_stroke</function>,
-              <function>PDF_setgray_fill</function>,
-              <function>PDF_setgray</function>,
-              <function>PDF_setrgbcolor_fill</function>,
-              <function>PDF_setrgbcolor</function>.</para>
+     See also <function>pdf_closepath</function>,
+              <function>pdf_stroke</function>,
+              <function>pdf_setgray_fill</function>,
+              <function>pdf_setgray</function>,
+              <function>pdf_setrgbcolor_fill</function>,
+              <function>pdf_setrgbcolor</function>.</para>
 
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-fill-stroke">
    <refnamediv>
-    <refname>PDF_fill_stroke</refname>
+    <refname>pdf_fill_stroke</refname>
     <refpurpose>Fills and strokes current path</refpurpose>
    </refnamediv>
    <refsect1>
@@ -1757,24 +1757,24 @@ PDF_stroke($pdf);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_fill_stroke</function> function fills the interior of
+     The <function>pdf_fill_stroke</function> function fills the interior of
      the current path with the current fill color and draws current path.</para>
 
     <para>
-     See also <function>PDF_closepath</function>,
-              <function>PDF_stroke</function>,
-              <function>PDF_fill</function>,
-              <function>PDF_setgray_fill</function>,
-              <function>PDF_setgray</function>,
-              <function>PDF_setrgbcolor_fill</function>,
-              <function>PDF_setrgbcolor</function>.</para>
+     See also <function>pdf_closepath</function>,
+              <function>pdf_stroke</function>,
+              <function>pdf_fill</function>,
+              <function>pdf_setgray_fill</function>,
+              <function>pdf_setgray</function>,
+              <function>pdf_setrgbcolor_fill</function>,
+              <function>pdf_setrgbcolor</function>.</para>
 
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-closepath-fill-stroke">
    <refnamediv>
-    <refname>PDF_closepath_fill_stroke</refname>
+    <refname>pdf_closepath_fill_stroke</refname>
     <refpurpose>Closes, fills and strokes current path</refpurpose>
    </refnamediv>
    <refsect1>
@@ -1786,25 +1786,25 @@ PDF_stroke($pdf);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_closepath_fill_stroke</function> function closes,
+     The <function>pdf_closepath_fill_stroke</function> function closes,
      fills the interior of
      the current path with the current fill color and draws current path.</para>
 
     <para>
-     See also <function>PDF_closepath</function>,
-              <function>PDF_stroke</function>,
-              <function>PDF_fill</function>,
-              <function>PDF_setgray_fill</function>,
-              <function>PDF_setgray</function>,
-              <function>PDF_setrgbcolor_fill</function>,
-              <function>PDF_setrgbcolor</function>.</para>
+     See also <function>pdf_closepath</function>,
+              <function>pdf_stroke</function>,
+              <function>pdf_fill</function>,
+              <function>pdf_setgray_fill</function>,
+              <function>pdf_setgray</function>,
+              <function>pdf_setrgbcolor_fill</function>,
+              <function>pdf_setrgbcolor</function>.</para>
 
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-endpath">
    <refnamediv>
-    <refname>PDF_endpath</refname>
+    <refname>pdf_endpath</refname>
     <refpurpose>Ends current path</refpurpose>
    </refnamediv>
    <refsect1>
@@ -1816,18 +1816,18 @@ PDF_stroke($pdf);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_endpath</function> function ends
+     The <function>pdf_endpath</function> function ends
      the current path but does not close it.</para>
 
     <para>
-     See also <function>PDF_closepath</function>.</para>
+     See also <function>pdf_closepath</function>.</para>
 
    </refsect1>
   </refentry>
   
   <refentry id="function.pdf-clip">
    <refnamediv>
-    <refname>PDF_clip</refname>
+    <refname>pdf_clip</refname>
     <refpurpose>Clips to current path</refpurpose>
    </refnamediv>
    <refsect1>
@@ -1839,7 +1839,7 @@ PDF_stroke($pdf);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_clip</function> function clips all drawing
+     The <function>pdf_clip</function> function clips all drawing
      to the current path.</para>
 
    </refsect1>
@@ -1847,7 +1847,7 @@ PDF_stroke($pdf);
   
   <refentry id="function.pdf-setgray-fill">
    <refnamediv>
-    <refname>PDF_setgray_fill</refname>
+    <refname>pdf_setgray_fill</refname>
     <refpurpose>Sets filling color to gray value</refpurpose>
    </refnamediv>
    <refsect1>
@@ -1860,18 +1860,18 @@ PDF_stroke($pdf);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_setgray_fill</function> function sets the current
+     The <function>pdf_setgray_fill</function> function sets the current
      gray value to fill a path.</para>
 
     <para>
-     See also <function>PDF_setrgbcolor_fill</function>.</para>
+     See also <function>pdf_setrgbcolor_fill</function>.</para>
 
    </refsect1>
   </refentry>
   
   <refentry id="function.pdf-setgray-stroke">
    <refnamediv>
-    <refname>PDF_setgray_stroke</refname>
+    <refname>pdf_setgray_stroke</refname>
     <refpurpose>Sets drawing color to gray value</refpurpose>
    </refnamediv>
    <refsect1>
@@ -1884,18 +1884,18 @@ PDF_stroke($pdf);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_setgray_stroke</function> function sets the current
+     The <function>pdf_setgray_stroke</function> function sets the current
      drawing color to the given gray value.</para>
 
     <para>
-     See also <function>PDF_setrgbcolor_stroke</function>.</para>
+     See also <function>pdf_setrgbcolor_stroke</function>.</para>
 
    </refsect1>
   </refentry>
   
   <refentry id="function.pdf-setgray">
    <refnamediv>
-    <refname>PDF_setgray</refname>
+    <refname>pdf_setgray</refname>
     <refpurpose>Sets drawing and filling color to gray value</refpurpose>
    </refnamediv>
    <refsect1>
@@ -1908,19 +1908,19 @@ PDF_stroke($pdf);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_setgray</function> function sets the current
+     The <function>pdf_setgray</function> function sets the current
      drawing and filling color to the given gray value.</para>
 
     <para>
-     See also <function>PDF_setrgbcolor_stroke</function>,
-              <function>PDF_setrgbcolor_fill</function>.</para>
+     See also <function>pdf_setrgbcolor_stroke</function>,
+              <function>pdf_setrgbcolor_fill</function>.</para>
 
    </refsect1>
   </refentry>
   
   <refentry id="function.pdf-setrgbcolor-fill">
    <refnamediv>
-    <refname>PDF_setrgbcolor_fill</refname>
+    <refname>pdf_setrgbcolor_fill</refname>
     <refpurpose>Sets filling color to rgb color value</refpurpose>
    </refnamediv>
    <refsect1>
@@ -1935,18 +1935,18 @@ PDF_stroke($pdf);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_setrgbcolor_fill</function> function sets the current
+     The <function>pdf_setrgbcolor_fill</function> function sets the current
      rgb color value to fill a path.</para>
 
     <para>
-     See also <function>PDF_setrgbcolor_fill</function>.</para>
+     See also <function>pdf_setrgbcolor_fill</function>.</para>
 
    </refsect1>
   </refentry>
   
   <refentry id="function.pdf-setrgbcolor-stroke">
    <refnamediv>
-    <refname>PDF_setrgbcolor_stroke</refname>
+    <refname>pdf_setrgbcolor_stroke</refname>
     <refpurpose>Sets drawing color to rgb color value</refpurpose>
    </refnamediv>
    <refsect1>
@@ -1961,18 +1961,18 @@ PDF_stroke($pdf);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_setrgbcolor_stroke</function> function sets the current
+     The <function>pdf_setrgbcolor_stroke</function> function sets the current
      drawing color to the given rgb color value.</para>
 
     <para>
-     See also <function>PDF_setrgbcolor_stroke</function>.</para>
+     See also <function>pdf_setrgbcolor_stroke</function>.</para>
 
    </refsect1>
   </refentry>
   
   <refentry id="function.pdf-setrgbcolor">
    <refnamediv>
-    <refname>PDF_setrgbcolor</refname>
+    <refname>pdf_setrgbcolor</refname>
     <refpurpose>Sets drawing and filling color to rgb color value</refpurpose>
    </refnamediv>
    <refsect1>
@@ -1987,19 +1987,19 @@ PDF_stroke($pdf);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_setrgbcolor_stroke</function> function sets the current
+     The <function>pdf_setrgbcolor_stroke</function> function sets the current
      drawing and filling color to the given rgb color value.</para>
 
     <para>
-     See also <function>PDF_setrgbcolor_stroke</function>,
-              <function>PDF_setrgbcolor_fill</function>.</para>
+     See also <function>pdf_setrgbcolor_stroke</function>,
+              <function>pdf_setrgbcolor_fill</function>.</para>
 
    </refsect1>
   </refentry>
   
   <refentry id="function.pdf-add-outline">
    <refnamediv>
-    <refname>PDF_add_outline</refname>
+    <refname>pdf_add_outline</refname>
     <refpurpose>Adds bookmark for current page</refpurpose>
    </refnamediv>
    <refsect1>
@@ -2014,7 +2014,7 @@ PDF_stroke($pdf);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_add_outline</function> function adds a bookmark
+     The <function>pdf_add_outline</function> function adds a bookmark
      with text <parameter>text</parameter> that points to the current page.
      The bookmark is inserted as a child of <parameter>parent</parameter> and
      is by default open if <parameter>open</parameter> is not 0. The
@@ -2033,7 +2033,7 @@ PDF_stroke($pdf);
 
   <refentry id="function.pdf-set-transition">
    <refnamediv>
-    <refname>PDF_set_transition</refname>
+    <refname>pdf_set_transition</refname>
     <refpurpose>Sets transition between pages</refpurpose>
    </refnamediv>
    <refsect1>
@@ -2046,7 +2046,7 @@ PDF_stroke($pdf);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_set_transition</function> function set the transition
+     The <function>pdf_set_transition</function> function set the transition
      between following pages. The value of <parameter>transition</parameter>
      can be
 
@@ -2077,13 +2077,13 @@ PDF_stroke($pdf);
       </member>
      </simplelist></para>
     <para>
-     See also <function>PDF_set_duration</function>.</para>
+     See also <function>pdf_set_duration</function>.</para>
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-set-duration">
    <refnamediv>
-    <refname>PDF_set_duration</refname>
+    <refname>pdf_set_duration</refname>
     <refpurpose>Sets duration between pages</refpurpose>
    </refnamediv>
    <refsect1>
@@ -2096,16 +2096,16 @@ PDF_stroke($pdf);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_set_duration</function> function set the duration
+     The <function>pdf_set_duration</function> function set the duration
      between following pages in seconds.</para>
     <para>
-     See also <function>PDF_set_transition</function>.</para>
+     See also <function>pdf_set_transition</function>.</para>
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-open-gif">
    <refnamediv>
-    <refname>PDF_open_gif</refname>
+    <refname>pdf_open_gif</refname>
     <refpurpose>Opens a GIF image</refpurpose>
    </refnamediv>
    <refsect1>
@@ -2118,7 +2118,7 @@ PDF_stroke($pdf);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_open_gif</function> function opens an image stored
+     The <function>pdf_open_gif</function> function opens an image stored
      in the file with the name <parameter>filename</parameter>.
      The format of the image has to be gif. The function returns a pdf
      image identifier.
@@ -2130,7 +2130,7 @@ PDF_stroke($pdf);
       <title>Including a gif image</title>
       <programlisting>
 &lt;?php
-$im = PDF_open_gif($pdf, "test.gif");
+$im = pdf_open_gif($pdf, "test.gif");
 pdf_place_image($pdf, $im, 100, 100, 1);
 pdf_close_image($pdf, $im);
 ?>
@@ -2138,18 +2138,18 @@ pdf_close_image($pdf, $im);
      </example></para>
 
     <para>
-     See also <function>PDF_close_image</function>,
-              <function>PDF_open_jpeg</function>,
-              <function>PDF_open_memory_image</function>,
-              <function>PDF_execute_image</function>,
-              <function>PDF_place_image</function>,
-              <function>PDF_put_image</function>.</para>
+     See also <function>pdf_close_image</function>,
+              <function>pdf_open_jpeg</function>,
+              <function>pdf_open_memory_image</function>,
+              <function>pdf_execute_image</function>,
+              <function>pdf_place_image</function>,
+              <function>pdf_put_image</function>.</para>
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-open-png">
     <refnamediv>
-      <refname>PDF_open_png</refname>
+      <refname>pdf_open_png</refname>
       <refpurpose>
         Opens a PNG image
       </refpurpose>
@@ -2170,7 +2170,7 @@ pdf_close_image($pdf, $im);
      </funcprototype>
       </funcsynopsis>
       <para>    
-        The <function>PDF_open_png</function> function opens an image stored
+        The <function>pdf_open_png</function> function opens an image stored
         in the file with the name <parameter>filename</parameter>.
         The format of the image has to be png. The function returns a pdf
         image identifier.
@@ -2181,7 +2181,7 @@ pdf_close_image($pdf, $im);
           <title>Including a PNG image</title>
           <programlisting>
 &lt;?php
-$im = PDF_open_png ($pdf, "test.png");
+$im = pdf_open_png ($pdf, "test.png");
 pdf_place_image ($pdf, $im, 100, 100, 1);
 pdf_close_image ($pdf, $im);
 ?>
@@ -2189,20 +2189,20 @@ pdf_close_image ($pdf, $im);
         </example>
       </para>
       <para>
-        See also <function>PDF_close_image</function>,
-                 <function>PDF_open_jpeg</function>,
-                 <function>PDF_open_gif</function>,
-                 <function>PDF_open_memory_image</function>,
-                 <function>PDF_execute_image</function>,
-                 <function>PDF_place_image</function>,
-                 <function>PDF_put_image</function>.
+        See also <function>pdf_close_image</function>,
+                 <function>pdf_open_jpeg</function>,
+                 <function>pdf_open_gif</function>,
+                 <function>pdf_open_memory_image</function>,
+                 <function>pdf_execute_image</function>,
+                 <function>pdf_place_image</function>,
+                 <function>pdf_put_image</function>.
       </para>
     </refsect1>
   </refentry>
   
   <refentry id="function.pdf-open-image-file">
    <refnamediv>
-    <refname>PDF_open_image_file</refname>
+    <refname>pdf_open_image_file</refname>
     <refpurpose>Reads an image from a file</refpurpose>
    </refnamediv>
    <refsect1>
@@ -2216,7 +2216,7 @@ pdf_close_image ($pdf, $im);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The function <function>PDF_open_image_file</function> reads an image
+     The function <function>pdf_open_image_file</function> reads an image
      of format <parameter>format</parameter> from the file
      <parameter>filename</parameter>.
      Possible formats are 'png', 'tiff', 'jpeg' and 'gif'.
@@ -2225,7 +2225,7 @@ pdf_close_image ($pdf, $im);
       <title>Inserting an image</title>
       <programlisting>
 &lt;?php
-$pim = PDF_open_image_file($pdf, "png", "picture.png");
+$pim = pdf_open_image_file($pdf, "png", "picture.png");
 pdf_place_image($pdf, $pim, 100, 100, 1);
 pdf_close_image($pdf, $pim);
 ?>
@@ -2233,20 +2233,20 @@ pdf_close_image($pdf, $pim);
     </example></para>
 
     <para>
-     See also <function>PDF_close_image</function>,
-              <function>PDF_open_jpeg</function>,
-              <function>PDF_open_gif</function>,
-              <function>PDF_open_tiff</function>,
-              <function>PDF_open_png</function>,
-              <function>PDF_execute_image</function>,
-              <function>PDF_place_image</function>,
-              <function>PDF_put_image</function>.</para>
+     See also <function>pdf_close_image</function>,
+              <function>pdf_open_jpeg</function>,
+              <function>pdf_open_gif</function>,
+              <function>pdf_open_tiff</function>,
+              <function>pdf_open_png</function>,
+              <function>pdf_execute_image</function>,
+              <function>pdf_place_image</function>,
+              <function>pdf_put_image</function>.</para>
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-open-memory-image">
    <refnamediv>
-    <refname>PDF_open_memory_image</refname>
+    <refname>pdf_open_memory_image</refname>
     <refpurpose>Opens an image created with PHP's image functions</refpurpose>
    </refnamediv>
    <refsect1>
@@ -2259,7 +2259,7 @@ pdf_close_image($pdf, $pim);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_open_memory_image</function> function takes
+     The <function>pdf_open_memory_image</function> function takes
      an image created with the PHP's image functions and makes it available
      for the pdf document. The function returns a pdf
      image identifier.
@@ -2271,7 +2271,7 @@ pdf_close_image($pdf, $pim);
 $im = ImageCreate(100, 100);
 $col = ImageColorAllocate($im, 80, 45, 190);
 ImageFill($im, 10, 10, $col);
-$pim = PDF_open_memory_image($pdf, $im);
+$pim = pdf_open_memory_image($pdf, $im);
 ImageDestroy($im);
 pdf_place_image($pdf, $pim, 100, 100, 1);
 pdf_close_image($pdf, $pim);
@@ -2280,19 +2280,19 @@ pdf_close_image($pdf, $pim);
     </example></para>
 
     <para>
-     See also <function>PDF_close_image</function>,
-              <function>PDF_open_jpeg</function>,
-              <function>PDF_open_gif</function>,
-              <function>PDF_open_png</function>
-              <function>PDF_execute_image</function>,
-              <function>PDF_place_image</function>,
-              <function>PDF_put_image</function>.</para>
+     See also <function>pdf_close_image</function>,
+              <function>pdf_open_jpeg</function>,
+              <function>pdf_open_gif</function>,
+              <function>pdf_open_png</function>
+              <function>pdf_execute_image</function>,
+              <function>pdf_place_image</function>,
+              <function>pdf_put_image</function>.</para>
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-open-jpeg">
    <refnamediv>
-    <refname>PDF_open_jpeg</refname>
+    <refname>pdf_open_jpeg</refname>
     <refpurpose>Opens a JPEG image</refpurpose>
    </refnamediv>
    <refsect1>
@@ -2305,7 +2305,7 @@ pdf_close_image($pdf, $pim);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_open_jpeg</function> function opens an image stored
+     The <function>pdf_open_jpeg</function> function opens an image stored
      in the file with the name <parameter>filename</parameter>.
      The format of the image has to be jpeg. The function returns a pdf
      image identifier.
@@ -2313,19 +2313,19 @@ pdf_close_image($pdf, $pim);
      the function <function>pdf_open_image_file</function> instead.
      </simpara></note></para>
     <para>
-     See also <function>PDF_close_image</function>,
-              <function>PDF_open_gif</function>,
-              <function>PDF_open_png</function>,
-              <function>PDF_open_memory_image</function>,
-              <function>PDF_execute_image</function>,
-              <function>PDF_place_image</function>,
-              <function>PDF_put_image</function>.</para>
+     See also <function>pdf_close_image</function>,
+              <function>pdf_open_gif</function>,
+              <function>pdf_open_png</function>,
+              <function>pdf_open_memory_image</function>,
+              <function>pdf_execute_image</function>,
+              <function>pdf_place_image</function>,
+              <function>pdf_put_image</function>.</para>
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-open-tiff">
    <refnamediv>
-    <refname>PDF_open_tiff</refname>
+    <refname>pdf_open_tiff</refname>
     <refpurpose>Opens a TIFF image</refpurpose>
    </refnamediv>
    <refsect1>
@@ -2338,7 +2338,7 @@ pdf_close_image($pdf, $pim);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_open_tiff</function> function opens an image stored
+     The <function>pdf_open_tiff</function> function opens an image stored
      in the file with the name <parameter>filename</parameter>.
      The format of the image has to be tiff. The function returns a pdf
      image identifier.
@@ -2347,14 +2347,14 @@ pdf_close_image($pdf, $pim);
      </simpara></note>
     </para>
     <para>
-     See also <function>PDF_close_image</function>,
-              <function>PDF_open_gif</function>,
-              <function>PDF_open_jpeg</function>,
-              <function>PDF_open_png</function>,
-              <function>PDF_open_memory_image</function>,
-              <function>PDF_execute_image</function>,
-              <function>PDF_place_image</function>,
-              <function>PDF_put_image</function>.
+     See also <function>pdf_close_image</function>,
+              <function>pdf_open_gif</function>,
+              <function>pdf_open_jpeg</function>,
+              <function>pdf_open_png</function>,
+              <function>pdf_open_memory_image</function>,
+              <function>pdf_execute_image</function>,
+              <function>pdf_place_image</function>,
+              <function>pdf_put_image</function>.
     </para>
 
    </refsect1>
@@ -2362,7 +2362,7 @@ pdf_close_image($pdf, $pim);
 
   <refentry id="function.pdf-close-image">
    <refnamediv>
-    <refname>PDF_close_image</refname>
+    <refname>pdf_close_image</refname>
     <refpurpose>Closes an image</refpurpose>
    </refnamediv>
    <refsect1>
@@ -2374,19 +2374,19 @@ pdf_close_image($pdf, $pim);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_close_image</function> function closes an image
-     which has been opened with any of the <function>PDF_open_xxx</function>
+     The <function>pdf_close_image</function> function closes an image
+     which has been opened with any of the <function>pdf_open_xxx</function>
      functions.</para> 
     <para>
-     See also <function>PDF_open_jpeg</function>,
-              <function>PDF_open_gif</function>,
-              <function>PDF_open_memory_image</function>.</para>
+     See also <function>pdf_open_jpeg</function>,
+              <function>pdf_open_gif</function>,
+              <function>pdf_open_memory_image</function>.</para>
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-place-image">
    <refnamediv>
-    <refname>PDF_place_image</refname>
+    <refname>pdf_place_image</refname>
     <refpurpose>Places an image on the page</refpurpose>
    </refnamediv>
    <refsect1>
@@ -2402,20 +2402,20 @@ pdf_close_image($pdf, $pim);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_place_image</function> function places an image
+     The <function>pdf_place_image</function> function places an image
      on the page at postion (<parameter>x-coor</parameter>,
      <parameter>x-coor</parameter>). The image can be scaled at the same
      time.
     </para>
     <para>
-     See also <function>PDF_put_image</function>.
+     See also <function>pdf_put_image</function>.
     </para>
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-put-image">
    <refnamediv>
-    <refname>PDF_put_image</refname>
+    <refname>pdf_put_image</refname>
     <refpurpose>Stores an image in the PDF for later use</refpurpose>
    </refnamediv>
    <refsect1>
@@ -2428,28 +2428,28 @@ pdf_close_image($pdf, $pim);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_put_image</function> function places an image
+     The <function>pdf_put_image</function> function places an image
      in the PDF file without showing it. The stored image can be
-     displayed with the <function>PDF_execute_image</function>
+     displayed with the <function>pdf_execute_image</function>
      function as many times as needed. This is useful when using the same
      image multiple times in order to keep the file size small. Using
-     <function>PDF_put_image</function> and
-     <function>PDF_execute_image</function> is highly recommended for
+     <function>pdf_put_image</function> and
+     <function>pdf_execute_image</function> is highly recommended for
      larger images (several kb) if they show up more than once in the
      document.
     <note><simpara>This function has become meaningless with version
      2.01 of pdflib. It will just output a warning.</simpara>
      </note></para>
     <para>
-     See also <function>PDF_put_image</function>,
-              <function>PDF_place_image</function>,
-              <function>PDF_execute_image</function>.</para>
+     See also <function>pdf_put_image</function>,
+              <function>pdf_place_image</function>,
+              <function>pdf_execute_image</function>.</para>
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-execute-image">
    <refnamediv>
-    <refname>PDF_execute_image</refname>
+    <refname>pdf_execute_image</refname>
     <refpurpose>Places a stored image on the page</refpurpose>
    </refnamediv>
    <refsect1>
@@ -2465,8 +2465,8 @@ pdf_close_image($pdf, $pim);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_execute_image</function> function displays an image that has been
-     put in the PDF file with the <function>PDF_put_image</function>
+     The <function>pdf_execute_image</function> function displays an image that has been
+     put in the PDF file with the <function>pdf_put_image</function>
      function on the current page at the given coordinates.</para>
     <para>
      The image can be scaled while displaying it. A scale of 1.0
@@ -2482,7 +2482,7 @@ pdf_close_image($pdf, $pim);
 $im = ImageCreate(100, 100);
 $col1 = ImageColorAllocate($im, 80, 45, 190);
 ImageFill($im, 10, 10, $col1);
-$pim = PDF_open_memory_image($pdf, $im);
+$pim = pdf_open_memory_image($pdf, $im);
 pdf_put_image($pdf, $pim);
 pdf_execute_image($pdf, $pim, 100, 100, 1);
 pdf_execute_image($pdf, $pim, 200, 200, 2);
@@ -2524,7 +2524,7 @@ pdf_close_image($pdf, $pim);
 
   <refentry id="function.pdf-set-border-style">
    <refnamediv>
-    <refname>PDF_set_border_style</refname>
+    <refname>pdf_set_border_style</refname>
     <refpurpose>Sets style of border around links and annotations</refpurpose>
    </refnamediv>
    <refsect1>
@@ -2538,19 +2538,19 @@ pdf_close_image($pdf, $pim);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_set_border_style</function> function sets the
+     The <function>pdf_set_border_style</function> function sets the
      style and width of the suroundig box of links and annotations.
      The parameter <parameter>style</parameter> can be 'solid' or
      'dashed'.</para>
     <para>
-     See also <function>PDF_set_border_color</function>,
-              <function>PDF_set_border_dash</function>.</para>
+     See also <function>pdf_set_border_color</function>,
+              <function>pdf_set_border_dash</function>.</para>
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-set-border-color">
    <refnamediv>
-    <refname>PDF_set_border_color</refname>
+    <refname>pdf_set_border_color</refname>
     <refpurpose>Sets color of border around links and annotations</refpurpose>
    </refnamediv>
    <refsect1>
@@ -2565,19 +2565,19 @@ pdf_close_image($pdf, $pim);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_set_border_color</function> function sets the
+     The <function>pdf_set_border_color</function> function sets the
      color of the suroundig box of links and annotations.
      The three color components have to have a value between 0.0 and
      1.0.</para>
     <para>
-     See also <function>PDF_set_border_style</function>,
-              <function>PDF_set_border_dash</function>.</para>
+     See also <function>pdf_set_border_style</function>,
+              <function>pdf_set_border_dash</function>.</para>
    </refsect1>
   </refentry>
 
   <refentry id="function.pdf-set-border-dash">
    <refnamediv>
-    <refname>PDF_set_border_dash</refname>
+    <refname>pdf_set_border_dash</refname>
     <refpurpose>Sets dash style of border around links and annotations</refpurpose>
    </refnamediv>
    <refsect1>
@@ -2591,13 +2591,13 @@ pdf_close_image($pdf, $pim);
      </funcprototype>
     </funcsynopsis>
     <para>
-     The <function>PDF_set_border_dash</function> function sets the
+     The <function>pdf_set_border_dash</function> function sets the
      lenght of
      black and white areas of a dashed line of the suroundig box of
      links and annotations.</para>
     <para>
-     See also <function>PDF_set_border_style</function>,
-              <function>PDF_set_border_color</function>.</para>
+     See also <function>pdf_set_border_style</function>,
+              <function>pdf_set_border_color</function>.</para>
    </refsect1>
   </refentry>