Take the following fragment:
{{intro to|
[[File:Image-x-generic.svg|right|140px|link=]]
Inserting a new image into a Wikipedia article is a two-step process. First it has to be '''uploaded''' to be stored on the [[commons:main|Wikimedia Commons]]. It can then be '''inserted''' into one or more Wikipedia pages. Uploaded images are free for anyone to use ([https://creativecommons.org/licenses/by-sa/4.0/ with some conditions]). This tutorial introduces you to the process up uploading and inserting images, as well as the relevant rules and guidelines.
}}It seems the empty content of link= inside the image inclusion inside the template confuses the editor tool. See also the attached screenshot showing the editor dialog of the page in question.
(don't mind the yellow, that's my personal styling.