[Drupal] 內文中的外站圖像無法顯示

如果你看到內文圖像無法顯示，並且圖像標題顯示

This image has been removed. For security reasons, only images from the local domain are allowed.

那應該就是文字格式裡不小心啟用了 Restrict images to this site 的選項，所以把外部圖像過濾掉了，關閉此過濾器就好了。

Ref: How do I override the “This image has been removed” message?