Template:Tic/doc

Usage
The pair of {{Template|subst:tic}} and {{Template|subst:tac}} makes a page show up on the watchlist even for a null edit (i.e. it makes null edits of that page impossible). Doesn't work yet.
 * {{subst&#x3A;tic}}:changes to {{subst:tac}} when the page is opened for editing, and then saved
 * {{subst&#x3A;tac}}:changes to {{subst:tic}} when the page is opened for editing, and then saved

Demo
Edit this section, change nothing, and save. Observe the [ diff]. Tac |subst=subst