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Umlauts like Ä, Ö, Ü in Mailadresses/URLs are not detected as normal letters #1212
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MD034 reports: Bare URL used [Context: "che@tf.de"] So it looks like the umlaut character is not allowed in an email address. That appears to be the case for the parser which limits that section to ASCII alphanumeric: https://github.com/micromark/micromark-extension-gfm-autolink-literal?tab=readme-ov-file#syntax Rendering of the sample input via the parser markdownlint uses is the same as what happens on GitHub - the first two characters are not part of the link: https://dlaa.me/markdownlint/#%25m%3Ck%C3%BCche%40tf.de%3E%0A So I think the current behavior is correct (and consistent with GitHub) based on how email addresses are defined and corresponding autolink behavior. |
Alright, we could solve our problem from the other direction: kueche@tf.de is forwarded to the same e-mailaddress (or is the same address?). |
I doubt that would go to the same person. I think the recommendation is probably to "percent encode" the umlaut character. or maybe ask the person who owns that alias as this is probably something they have dealt with before. |
Thanks for the pointers. I found two workarounds that work, when markdown automatic links (
A quick note on standards: from a quick read I understand that basic SMTP does not allow non-ascii characters in addresses. SMTPUTF8 (RFC6531 through RFC6533) adds this but is only from around 2012 and thus quite new (atleast for an internet standard). TL;DR: While this is annoying I expect that the workarounds are sufficient for us. |
Great, thank you for the update! |
The Mailaddress
is automatically formatted to
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