Parsedown::lineElements( $text,  $nonNestables = array() )

    protected function lineElements($text, $nonNestables = array())
    {
        # standardize line breaks
        $text = str_replace(array("\r\n", "\r"), "\n", $text);

        $Elements = array();

        $nonNestables = (empty($nonNestables)
            ? array()
            : array_combine($nonNestables, $nonNestables)
        );

        # $excerpt is based on the first occurrence of a marker

        while ($excerpt = strpbrk($text, $this->inlineMarkerList))
        {
            $marker = $excerpt[0];

            $markerPosition = strlen($text) - strlen($excerpt);

            $Excerpt = array('text' => $excerpt, 'context' => $text);

            foreach ($this->InlineTypes[$marker] as $inlineType)
            {
                # check to see if the current inline type is nestable in the current context

                if (isset($nonNestables[$inlineType]))
                {
                    continue;
                }

                $Inline = $this->{"inline$inlineType"}($Excerpt);

                if ( ! isset($Inline))
                {
                    continue;
                }

                # makes sure that the inline belongs to "our" marker

                if (isset($Inline['position']) and $Inline['position'] > $markerPosition)
                {
                    continue;
                }

                # sets a default inline position

                if ( ! isset($Inline['position']))
                {
                    $Inline['position'] = $markerPosition;
                }

                # cause the new element to 'inherit' our non nestables


                $Inline['element']['nonNestables'] = isset($Inline['element']['nonNestables'])
                    ? array_merge($Inline['element']['nonNestables'], $nonNestables)
                    : $nonNestables
                ;

                # the text that comes before the inline
                $unmarkedText = substr($text, 0, $Inline['position']);

                # compile the unmarked text
                $InlineText = $this->inlineText($unmarkedText);
                $Elements[] = $InlineText['element'];

                # compile the inline
                $Elements[] = $this->extractElement($Inline);

                # remove the examined text
                $text = substr($text, $Inline['position'] + $Inline['extent']);

                continue 2;
            }

            # the marker does not belong to an inline

            $unmarkedText = substr($text, 0, $markerPosition + 1);

            $InlineText = $this->inlineText($unmarkedText);
            $Elements[] = $InlineText['element'];

            $text = substr($text, $markerPosition + 1);
        }

        $InlineText = $this->inlineText($text);
        $Elements[] = $InlineText['element'];

        foreach ($Elements as &$Element)
        {
            if ( ! isset($Element['autobreak']))
            {
                $Element['autobreak'] = false;
            }
        }

        return $Elements;
    }