The format of the "fancy urls" in 1.3? (Page 1 of 2)

    function cat_event_category_create($evname)
    {
        global $txpcfg;
        
        //Prevent non url chars on category names
        include_once txpath.'/lib/classTextile.php';
        $textile = new Textile();
        
        $name = ps('name');        
        $title = doSlash($name);                
        $name = dumbDown($textile->TextileThis(trim(doSlash($name)),1));
        $name = preg_replace("/[^[:alnum:]\-_]/", "", str_replace(" ","-",$name));

        $check = safe_field("name", "txp_category", "name='$name' and type='$evname'");

        if (!$check) {
            if($name) {                
                $q = 
                safe_insert("txp_category", "name='$name', title='$title', type='$evname', parent='root'");
                
                rebuild_tree('root', 1, $evname);
                
                if ($q) cat_category_list(messenger($evname.'_category',$name,'created'));
            } else {
                cat_category_list();
            }
        } else {
            cat_category_list(messenger($evname.'_category',$name,'already_exists'));        
        }
    }

    function Textile()
    {
        $this->hlgn = "(?:\<(?!>)|(?<!<)\>|\<\>|\=|[()]+)";
        $this->vlgn = "[\-^~]";
        $this->clas = "(?:\([^)]+\))";
        $this->lnge = "(?:\[[^]]+\])";
        $this->styl = "(?:\{[^}]+\})";
        $this->cspn = "(?:\\\\\d+)";
        $this->rspn = "(?:\/\d+)";
        $this->a = "(?:{$this->hlgn}?{$this->vlgn}?|{$this->vlgn}?{$this->hlgn}?)";
        $this->s = "(?:{$this->cspn}?{$this->rspn}?|{$this->rspn}?{$this->cspn}?)";
        $this->c = "(?:{$this->clas}?{$this->styl}?{$this->lnge}?|{$this->styl}?{$this->lnge}?{$this->clas}?|{$this->lnge}?{$this->styl}?{$this->clas}?)";
        $this->pnct = '[\!"#\$%&\'()\*\+,\-\./:;<=>\?@\[\\\]\^_`{\|}\~]';
        $this->urlch = '[\w"$\-_.+!*\'(),";\/?:@=&%#{}|\\^~\[\]`]';
    }

// -------------------------------------------------------------
    function TextileThis($text, $lite='', $encode='', $noimage='', $strict='', $rel='')
    {
        if ($rel)
           $this->rel = ' rel="'.$rel.'" ';

        $text = $this->incomingEntities($text);
        
        if ($encode) {
            $text = str_replace("x%x%", "&", $text);
            return $text;
        } else {
        
            if(!$strict) {
                $text = $this->fixEntities($text);
                $text = $this->cleanWhiteSpace($text);
            }
    
            $text = $this->getRefs($text);
    
            $text = $this->noTextile($text);
            $text = $this->links($text);
            if (!$noimage) {
                $text = $this->image($text);
            }
            $text = $this->code($text);
            $text = $this->span($text);
            $text = $this->footnoteRef($text);
            $text = $this->glyphs($text);
            $text = $this->retrieve($text);
    
            if (!$lite) {
                $text = $this->lists($text);
                $text = $this->table($text);
                $text = $this->block($text);
            }

                // clean up <notextile>
            $text = preg_replace('/<\/?notextile>/', "", $text);
    
                // turn the temp char back to an ampersand entity
            $text = str_replace("x%x%", "&", $text);
    
                // just to be tidy
            $text = str_replace("<br />", "<br />\n", $text);
    
            return $text;
          }
    }