I'm frequently seeing people who are new to programming post some important configuration keys along with their code without knowing that other people can utilize this key and do some other stuff.

Here's one such example which I saw right now that made me to post this :

![enter image description here](https://i.stack.imgur.com/lkgSf.png) 

There are some good people who edit the questions and replace the keys with `xxxxxx`. And there are some who say to edit the posts to remove those keys. My point is,

> 
> People can still get those keys when they click on revisions, right?
> 
> 
> 

Since many people visit Stack Overflow, it would be nice if there was something that alerted the moderators to remove/blur only that corresponding revision, or at least give permission to read only to that user who created the question.

The above might not be a good solution, but I feel this is such one problem that Stack Overflow moderators need to consider soon to implement a good solution.