function add_frame_to_line(Frame $frame)
 {
     if (!$frame->is_in_flow()) {
         return;
     }
     $style = $frame->get_style();
     $frame->set_containing_line($this->_line_boxes[$this->_cl]);
     if ($frame instanceof Inline_Frame_Decorator) {
         if ($frame->get_node()->nodeName === "br") {
             $this->maximize_line_height($style->length_in_pt($style->line_height), $frame);
             $this->add_line(true);
         }
         return;
     }
     if ($this->get_current_line_box()->w == 0 && $frame->is_text_node() && !$frame->is_pre()) {
         $frame->set_text(ltrim($frame->get_text()));
         $frame->recalculate_width();
     }
     $w = $frame->get_margin_width();
     if ($w == 0) {
         return;
     }
     $line = $this->_line_boxes[$this->_cl];
     if ($line->left + $line->w + $line->right + $w > $this->get_containing_block("w")) {
         $this->add_line();
     }
     $frame->position();
     $current_line = $this->_line_boxes[$this->_cl];
     $current_line->add_frame($frame);
     if ($frame->is_text_node()) {
         $current_line->wc += count(preg_split("/\\s+/", trim($frame->get_text())));
     }
     $this->increase_line_width($w);
     $this->maximize_line_height($frame->get_margin_height(), $frame);
 }
 function add_frame_to_line(Frame $frame)
 {
     $style = $frame->get_style();
     if (in_array($style->position, array("absolute", "fixed")) || DOMPDF_ENABLE_CSS_FLOAT && $style->float !== "none") {
         return;
     }
     $frame->set_containing_line($this->_lines[$this->_cl]);
     /*
         // Adds a new line after a block, only if certain conditions are met
         if ((($frame instanceof Inline_Frame_Decorator && $frame->get_node()->nodeName !== "br") || 
               $frame instanceof Text_Frame_Decorator && trim($frame->get_text())) && 
             ($frame->get_prev_sibling() && $frame->get_prev_sibling()->get_style()->display === "block" && 
              $this->_lines[$this->_cl]["w"] > 0 )) {
                
                $this->maximize_line_height( $style->length_in_pt($style->line_height), $frame );
                $this->add_line();
              
                // Add each child of the inline frame to the line individually
                foreach ($frame->get_children() as $child)
                  $this->add_frame_to_line( $child );     
         }
         else*/
     // Handle inline frames (which are effectively wrappers)
     if ($frame instanceof Inline_Frame_Decorator) {
         // Handle line breaks
         if ($frame->get_node()->nodeName === "br") {
             $this->maximize_line_height($style->length_in_pt($style->line_height), $frame);
             $this->add_line(true);
         }
         return;
     }
     // Trim leading text if this is an empty line.  Kinda a hack to put it here,
     // but what can you do...
     if ($this->_lines[$this->_cl]["w"] == 0 && $frame->get_node()->nodeName === "#text" && ($style->white_space !== "pre" || $style->white_space !== "pre-wrap")) {
         $frame->set_text(ltrim($frame->get_text()));
         $frame->recalculate_width();
     }
     $w = $frame->get_margin_width();
     if ($w == 0) {
         return;
     }
     // Debugging code:
     /*
     pre_r("\n<h3>Adding frame to line:</h3>");
     
     //    pre_r("Me: " . $this->get_node()->nodeName . " (" . spl_object_hash($this->get_node()) . ")");
     //    pre_r("Node: " . $frame->get_node()->nodeName . " (" . spl_object_hash($frame->get_node()) . ")");
     if ( $frame->get_node()->nodeName === "#text" )
       pre_r('"'.$frame->get_node()->nodeValue.'"');
     
     pre_r("Line width: " . $this->_lines[$this->_cl]["w"]);
     pre_r("Frame: " . get_class($frame));
     pre_r("Frame width: "  . $w);
     pre_r("Frame height: " . $frame->get_margin_height());
     pre_r("Containing block width: " . $this->get_containing_block("w"));
     */
     // End debugging
     $line = $this->_lines[$this->_cl];
     if ($line["left"] + $line["w"] + $line["right"] + $w > $this->get_containing_block("w")) {
         $this->add_line();
     }
     $frame->position();
     $current_line =& $this->_lines[$this->_cl];
     $current_line["frames"][] = $frame;
     if ($frame->get_node()->nodeName === "#text") {
         $current_line["wc"] += count(preg_split("/\\s+/", trim($frame->get_text())));
     }
     $this->increase_line_width($w);
     $this->maximize_line_height($frame->get_margin_height(), $frame);
 }