Support markdown autolinks with Markdown Render Hooks

[Brixy]

Hugo 0.62.0

Given this render-link.html code

<a href="{{ .Destination | safeURL }}"{{ with .Title }} title="{{ . }}"{{ end }}{{ if strings.HasPrefix .Destination "http" }} target="_blank" rel="noopener"{{ end }}>{{ .Text | safeHTML }}</a>

Markdown auto links are currently not supported.

In:

<http:/test.com>

Out:

<a href="http:/test.com">http:/test.com</a>

In (works as expected):

[Test](http:/test.com)

Out:

<a href="http:/test.com" target="_blank" rel="noopener">Test</a>

Thank you!

[Rarst]

Goldmark seems to support an even more freeform GFM autolinks without any delimiters https://github.github.com/gfm/#autolinks-extension-

Also completely un-marked-up link is a convention for automated embeds and having them run through hook would be very powerful for that purpose. Think lone twitter link by itself getting turned into full embedded tweet.

[Brixy]

Thanks a lot for v0.63.0!

This issue seems to be solved now, too—at least in all my use cases.

[matteocontrini]

It doesn't seem to be fixed for me. Autolinks still don't invoke the render hook...

[DJCordhose]

I am on 0.71 and it has not been fixed so far.

[Shelim]

0.80 is out and it still does not work.

Workaround: if you want to use hook for adding "target=_blank" in your URLs, use different markdown provider in your config.toml:

[markup]
  defaultMarkdownHandler = "blackFriday"
  [markup.blackFriday]
    hrefTargetBlank = true

[jmooring]

To clarify, this is an autolink:

<https://www.gohugo.io>  

And with:

[markup.goldmark.extensions]
linkify = true

These are also autolinks:

www.gohugo.io  
https://www.gohugo.io 

[jmooring]

Fixed with #8756

[github-actions]

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