You did more than leave a comment. You also suggested an edit to that question back in Nov 2017 (just >1 year ago):
and notice the "edit approved" status. It suggests your reputation back then was not high enough to make immediate edits. It also means when your edit was approved, you earned a 2 point bonus.
Now that the question has been deleted by the "...
The reasoning of one of our moderators why it was deleted was given in a comment:
I am deleting this questions since it contains content (copy of a letter) that seems to be without a license to be published. The issue has been solved, and it was about replicating and not like a common TeX problem/question, so it's probably not useful for others in the ...
The user in question will not see any notifications in their inbox, since their last visit to the site was more than 1 hour after the post was deleted (combination of 1 and 2 below):
The only notifications they would see is if comments were made on the deleted post by a moderator, but this was not the case.
The user can access their "recently deleted ...
Off-topic questions with zero votes here can be deleted. If not, they may be deleted automatically based on the following conditions:
The system will automatically delete closed (not as a duplicate), unlocked questions with zero or negative score having no positively scored or accepted answers or pending reopen votes, that were closed 9 or more days ago and ...
It can happen, depending on the post score and whether the user is still present. Specific details on when/how posts are deleted is available here:
How does deleting work? What can cause a post to be deleted, and what does that actually mean? What are the criteria for deletion?
At the bottom of the question there is an option to delete the post:
Note that deletion may not be possible as there are certain criteria that has to be met. Read How does deleting work? What can cause a post to be deleted, and what does that actually mean? What are the criteria for deletion? for more information.
It does not look like it.
This could of course be subject to policy changes, but skimming through the pages of search results I could not find any gaps. (Only the text at the top of the questions changed a few times.)