avoid double encoding with line

ParsedownCheckbox.php

<?php

class ParsedownCheckbox extends ParsedownExtra
{
    protected function checkboxUnchecked($text)
    {
        if ($this->markupEscaped || $this->safeMode) {
            $text = self::escape($text);
            
            // Disable escape to convert data with line (avoid double encoding)
            $this->disableEspace();
            $text = $this->line($text);
            
            // Re-enable escape
            $this->enableEspace();
        } else {
            $text = $this->line($text);
        }

        return '<input type="checkbox" disabled /> '.$text;
    }

    protected function checkboxChecked($text)
    {
        if ($this->markupEscaped || $this->safeMode) {
            $text = self::escape($text);
            
            // Disable escape to convert data with line (avoid double encoding)
            $this->disableEspace();
            $text = $this->line($text);
            
            // Re-enable escape
            $this->enableEspace();
        } else {
            $text = $this->line($text);
        }

        return '<input type="checkbox" checked disabled /> '.$text;
    }
    

    private function disableEspace()
    {
        if ($this->markupEscaped) {
            $this->setMarkupEscaped(false);
        }
        if ($this->safeMode) {
            $this->setSafeMode(false);
        }
    }

    private function enableEspace()
    {
        if (!$this->markupEscaped) {
            $this->setMarkupEscaped(true);
        }
        if (!$this->safeMode) {
            $this->setSafeMode(true);
        }
    }
}