Bug Report

By using the last release of docsify (from CDN https://cdn.jsdelivr.net/npm/docsify@4), the feature Embed files does not work.

Steps to reproduce

From the code below :

[filename](./test.md ":include")

What is current behaviour

The render will be a link name filename.

What is the expected behaviour

The test.md content should be rendered directly (embedded).

Other relevant information

• Bug does still occur when all/other plugins are disabled?

• Your OS: Windows

• Node.js version: v10.15.3

• npm/yarn version: npm 6.4.1

• Browser version: Chrome

• Docsify version: 4.4.0

• Docsify plugins: tried without any plugins, but I have the same issue