fix E_STRICT errors FS#2427

This commit fixes all E_STRICT messages shown when running the test
suite. There might be more problems not covered by tests, yet.

For compatibility reasons with plugins, E_STRICT errors are still
supressed.

2 files changed, 1 insertions, 42 deletions

diff --git a/inc/parser/metadata.php b/inc/parser/metadata.php
index 8bfdc3b9c..8638ffa6a 100644
--- a/inc/parser/metadata.php
+++ b/inc/parser/metadata.php
@@ -133,27 +133,6 @@ class Doku_Renderer_metadata extends Doku_Renderer {
     }
   }
 
-  function strong_open(){}
-  function strong_close(){}
-
-  function emphasis_open(){}
-  function emphasis_close(){}
-
-  function underline_open(){}
-  function underline_close(){}
-
-  function monospace_open(){}
-  function monospace_close(){}
-
-  function subscript_open(){}
-  function subscript_close(){}
-
-  function superscript_open(){}
-  function superscript_close(){}
-
-  function deleted_open(){}
-  function deleted_close(){}
-
   /**
    * Callback for footnote start syntax
    *
@@ -218,14 +197,6 @@ class Doku_Renderer_metadata extends Doku_Renderer {
     if ($this->capture) $this->doc .= $text;
   }
 
-  function php($text){}
-
-  function phpblock($text){}
-
-  function html($text){}
-
-  function htmlblock($text){}
-
   function preformatted($text){
     if ($this->capture) $this->doc .= $text;
   }
@@ -393,18 +364,6 @@ class Doku_Renderer_metadata extends Doku_Renderer {
                 $params['refresh'];
   }
 
-  function table_open($maxcols = NULL, $numrows = NULL){}
-  function table_close(){}
-
-  function tablerow_open(){}
-  function tablerow_close(){}
-
-  function tableheader_open($colspan = 1, $align = NULL, $rowspan = 1){}
-  function tableheader_close(){}
-
-  function tablecell_open($colspan = 1, $align = NULL, $rowspan = 1){}
-  function tablecell_close(){}
-
   //----------------------------------------------------------
   // Utils
 
diff --git a/inc/parser/renderer.php b/inc/parser/renderer.php
index 0923e6896..2c78f220a 100644
--- a/inc/parser/renderer.php
+++ b/inc/parser/renderer.php
@@ -62,7 +62,7 @@ class Doku_Renderer extends DokuWiki_Plugin {
 
     //handle plugin rendering
     function plugin($name,$data){
-        $plugin =& plugin_load('syntax',$name);
+        $plugin = plugin_load('syntax',$name);
         if($plugin != null){
             $plugin->render($this->getFormat(),$this,$data);
         }