Zhixiang

Sorry, it is not supported yet.

I just tried the image URL you provided. Indeed '&' is encoded as '\&' when the URL is saved as GUID in database. But seems that the image can still...

You are right. The URL from pbs.twimg.com does not work. It is possible that the web server of the external image deliberately handles encoded URLs. WordPress plugins should not rely...

After some investigation, I found that `&` is not converted to `&` by `htmlentities`, i.e. the opposite of `html_entity_decode`. Instead, it is converted by `wp_filter_kses` which is a WordPress function...

I see. I did some experiment and inspected the core source code, and found that in fact WordPress core does convert `&` to `&` while exporting RSS2 feed, even if...

图片URL和WordPress版本可以提供一下吗？

That's indeed a reasonable new feature.

It is the first time that I heard about multisite network and such a URL as http://xxx/http://yyy.jpg. May I get a real world example to investigate the issue?

I just learnt how to use the multisite feature of WordPress. However, I still don't know how to reproduce the problem. Yes, you can reach me via my email address...

This is interesting. Indeed I haven't tried SVG files yet.