Brackets in the title of an External Link, it will not show Heading Anchor option

[ariehen]

While OSes allow these, if you want to use Obsidian’s linking features, these characters are forbidden in file names:

I think that’s likely the issue.

---

List of all forbidden filename characters

As of v1.8.10., this is the full list of characters that Obsidian does not allow to put in filename from within the app. As shown by the red tooltips that appear when you attempt to input a forbidden character in a filename. All OSes: []#^| Filename must not start with a dot. macOS, iOS, iPadOS and Linux: \/: Windows: *"\/<>:|? Android: \/:*?<>"