When posting links to SE posts in comments, where links are not converted to links with titles, the tooltips for those links are not capitalized.

For example, this is a bare link with an uncapitalized tooltip:

enter image description here

And this is the actual post with the title capitalized:

enter image description here

Note that the bare links I'm referring to above are the ones which are copy-pasted from the address bar or by right-clicking the title. Bare links which are copy-pasted from a question or answer's Share box do not have tooltips as they don't have slugs.


1 Answer 1


They are not capitalized because that is not the title of the question that is shown in the tooltip.

It is the so called slug at the end of the url with the - replaced by a space. By design the slug is always lower case. And the slug itself is irrelevant for the correct working of the link. You can add any slug you want:

Try this comment:

test comment to see if slug matters https://meta.stackexchange.com/questions/379235/and-now-for-something-completely-different

leading to this tooltip:


and the link still works.

  • Thanks, rene.. that makes sense. But slugs can be capitalized, no? i.stack.imgur.com/tcK03.png | i.stack.imgur.com/4Tf9X.png
    – Justin
    Jun 4 at 8:27
  • 1
    @Justin slugs can be capitalized, but that looks like a different question of why all generated URLs on Stack Exchange are in lower case (example: your name and my name on profile links, which are also slugs). Jun 4 at 8:31

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