src/Peach/Markup/AbstractRenderer.php
protected final function formatTagPrefix(Element $element)
    {
        $tag  = "<";
        $tag .= $element->getName();
        foreach ($element->getAttributes() as $name => $value) {
            $tag .= " ";
            $tag .= ($value === null) ?
                $this->formatBooleanAttribute($name) : $this->formatAttribute($name, $value);
        }
        return $tag;
    }
protected final function formatTagPrefix(Element $element)
    {
        $tag  = "<";
        $tag .= $element->getName();
        foreach ($element->getAttributes() as $name => $value) {
            $tag .= " ";
            $tag .= ($value === null) ?
                $this->formatBooleanAttribute($name) : $this->formatAttribute($name, $value);
        }
        return $tag;
    }
開始タグまたは空要素タグの共通部分を書式化します.
@param  Element $element 書式化対象の要素
@return string           "<elementName ... "