Markdown mode cannot open links that contains some codes by percent-encoding.

[kou1okada]

I wrote some links to web page and clicked it.
But all links, that were containing code of 0x80-0xff by percent-encoding, could not open browser.

For example:

* Following links can open browser:
  * [@](https://www.google.co.jp/search?q=%62%69%67)
  * [@](https://www.google.co.jp/search?q=%00) (only Linux)
  * [@](https://www.google.co.jp/search?q=%01)
  * ...
  * [@](https://www.google.co.jp/search?q=%7f)
* Following links cannot open browser:
  * [@](https://www.google.co.jp/search?q=%91%E5)
  * [@](https://www.google.co.jp/search?q=%00) (only Windows)
  * [@](https://www.google.co.jp/search?q=%80)
  * ...
  * [@](https://www.google.co.jp/search?q=%ff)

Every links show balloon tips of "Ctrl + click to follow link".
And the preview mode of markdown shows same behavior.

My environment is below:

• Windows
  • Windows 7 Ultimate 64bit Japanese
  • vscode 1.14.2
  • Firefox 54.0.1 64bit
• Linux
  • Ubuntu 14.04.5 LTS 64bit
  • vscode 1.14.2
  • Firefox 54.0 64bit

Good regard.

[mjbvz]

@jrieken The root cause is that Uri.parse('https://www.google.co.jp/search?q=%91%E5') throws an error when we call decodeUriComponent('q=%91%E5')

Problem is also related to #31805

[jrieken]

Interesting...

[vscodebot]

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Thanks for your understanding and happy coding!

[kou1okada]

Related issues:

• Support URL specific encodings (query component) #25852 : still open.
• Uri doesn't honour http-specialities #31805 : closed by @jrieken because dupe of Support URL specific encodings (query component) #25852.
• Markdown mode cannot open links that contains some codes by percent-encoding. #32026 (this issue) : auto closed by @vscodebot because *out-of-scope label was set by @jrieken.
• URLs with URLEncoded values aren't opened correctly in the browser #41837 : closed by @jrieken because dupe of Support URL specific encodings (query component) #25852.
• URI.parse should not use decodeURIComponent when parsing the querystring of a clicked link #53824 : auto closed by @vscodebot because needs more info label was set by @jrieken.

Does this issue take over to #25852?
But I could not find progress about #25852 since 31 Oct 2017.
I hope this issue will be solved.

Good regard.