Parsedown::linesElements( $lines )

    protected function linesElements(array $lines)
    {
        $Elements = array();
        $CurrentBlock = null;

        foreach ($lines as $line)
        {
            if (chop($line) === '')
            {
                if (isset($CurrentBlock))
                {
                    $CurrentBlock['interrupted'] = (isset($CurrentBlock['interrupted'])
                        ? $CurrentBlock['interrupted'] + 1 : 1
                    );
                }

                continue;
            }

            while (($beforeTab = strstr($line, "\t", true)) !== false)
            {
                $shortage = 4 - mb_strlen($beforeTab, 'utf-8') % 4;

                $line = $beforeTab
                    . str_repeat(' ', $shortage)
                    . substr($line, strlen($beforeTab) + 1)
                ;
            }

            $indent = strspn($line, ' ');

            $text = $indent > 0 ? substr($line, $indent) : $line;

            # ~

            $Line = array('body' => $line, 'indent' => $indent, 'text' => $text);

            # ~

            if (isset($CurrentBlock['continuable']))
            {
                $methodName = 'block' . $CurrentBlock['type'] . 'Continue';
                $Block = $this->$methodName($Line, $CurrentBlock);

                if (isset($Block))
                {
                    $CurrentBlock = $Block;

                    continue;
                }
                else
                {
                    if ($this->isBlockCompletable($CurrentBlock['type']))
                    {
                        $methodName = 'block' . $CurrentBlock['type'] . 'Complete';
                        $CurrentBlock = $this->$methodName($CurrentBlock);
                    }
                }
            }

            # ~

            $marker = $text[0];

            # ~

            $blockTypes = $this->unmarkedBlockTypes;

            if (isset($this->BlockTypes[$marker]))
            {
                foreach ($this->BlockTypes[$marker] as $blockType)
                {
                    $blockTypes []= $blockType;
                }
            }

            #
            # ~

            foreach ($blockTypes as $blockType)
            {
                $Block = $this->{"block$blockType"}($Line, $CurrentBlock);

                if (isset($Block))
                {
                    $Block['type'] = $blockType;

                    if ( ! isset($Block['identified']))
                    {
                        if (isset($CurrentBlock))
                        {
                            $Elements[] = $this->extractElement($CurrentBlock);
                        }

                        $Block['identified'] = true;
                    }

                    if ($this->isBlockContinuable($blockType))
                    {
                        $Block['continuable'] = true;
                    }

                    $CurrentBlock = $Block;

                    continue 2;
                }
            }

            # ~

            if (isset($CurrentBlock) and $CurrentBlock['type'] === 'Paragraph')
            {
                $Block = $this->paragraphContinue($Line, $CurrentBlock);
            }

            if (isset($Block))
            {
                $CurrentBlock = $Block;
            }
            else
            {
                if (isset($CurrentBlock))
                {
                    $Elements[] = $this->extractElement($CurrentBlock);
                }

                $CurrentBlock = $this->paragraph($Line);

                $CurrentBlock['identified'] = true;
            }
        }

        # ~

        if (isset($CurrentBlock['continuable']) and $this->isBlockCompletable($CurrentBlock['type']))
        {
            $methodName = 'block' . $CurrentBlock['type'] . 'Complete';
            $CurrentBlock = $this->$methodName($CurrentBlock);
        }

        # ~

        if (isset($CurrentBlock))
        {
            $Elements[] = $this->extractElement($CurrentBlock);
        }

        # ~

        return $Elements;
    }