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``` Tokens combine like classes: `single-line`, `no-toolbar`, `toolbar-on-select`. In the saved file the attribute is an inert marker; no editor chrome is ever written to disk. ## Links Press the Link control or `Ctrl/Cmd+K` to open a popover beside the selection and add, change, or remove a link. Press `Escape` to close the form and return focus to the editor. The Link control is pressed whenever the caret is inside an `a[href]` or any part of the selection covers linked content. A caret outside a link, or a selection that only touches a link's text boundary, leaves the control unpressed. For an existing link, the form opens with the URL filled in and shows **Remove link** before **Cancel** and **Apply**; a form for a new link has none. When a selection overlaps more than one link, the form opens the first one in document order. **Apply** updates that link's URL and preserves the surrounding selection's other text and links. **Remove link** deletes the anchor, keeps its text and inline formatting, closes the form, returns focus to the editor, and announces "Link removed". Link dialog URLs pass through `normalizeUrl()` before the link is made, so `javascript:`, `data:`, `vbscript:`, and control-character obfuscation are rejected.