As a Wikipedian patrolling changes I time and again run into the following problem:
- An editor, usually a new one, repeatedly does something undesirable (though not necessarily disastrous). For example, marks a heading as bold ('''Text''') instead of properly marking it up ("==Text==").
- Other editor point this mistake out on the editor's talk page.
- The editor ignores the talk page comments and keeps doing that unwanted thing.
There is no proper solution for this. One possible way to draw the user's attention to the messages is to block him, but that may be too harsh, especially if the mistake is not terribly destructive. Also, blocking is accessible only to administrators, which adds another level of inconvenience.
Last time I checked, the AutoWikiBrowser tool did have a solution for that. It's a desktop application that makes semi-automated edits to a list of pages on a wiki, for example regular expression replacement. If a user running the tool receives a talk page message, it stops working until the user at least reads the talk page.
It would be nice if MediaWiki itself had some kind of a mechanism to gently get the user to read what other users tell him.
And if not in core MediaWiki, then at least in Flow ;)