Fixed broken markdown Twig tag [getgrav#2635]

Author: mahagr

CHANGELOG.md

@@ -1,3 +1,9 @@
+# v1.6.15
+## mm/dd/2019
+
+1. [](#bugfix)
+    *  Fixed broken markdown Twig tag [#2635](https://github.com/getgrav/grav/issues/2635)
+
 # v1.6.14
 ## 08/18/2019
 

system/src/Grav/Common/Twig/Node/TwigNodeMarkdown.php

@@ -41,6 +41,6 @@ public function compile(Compiler $compiler)
             ->write('$lines = explode("\n", $content);' . PHP_EOL)
             ->write('$content = preg_replace(\'/^\' . $matches[0]. \'/\', "", $lines);' . PHP_EOL)
             ->write('$content = join("\n", $content);' . PHP_EOL)
-            ->write('echo $this->env->getExtension(\'Grav\Common\Twig\TwigExtension\')->markdownFunction($content);' . PHP_EOL);
+            ->write('echo $this->env->getExtension(\'Grav\Common\Twig\TwigExtension\')->markdownFunction($context, $content);' . PHP_EOL);
     }
 }

system/src/Grav/Common/Twig/TwigExtension.php

@@ -613,10 +613,11 @@ public function absoluteUrlFilter($string)
     /**
      * @param string $string
      *
+     * @param array $context
      * @param bool $block  Block or Line processing
      * @return mixed|string
      */
-    public function markdownFunction($context = false, $string, $block = true)
+    public function markdownFunction($context, $string, $block = true)
     {
         $page = $context['page'] ?? null;
         return Utils::processMarkdown($string, $block, $page);