Thread:Feedback/"Sign the post" option

A bit radical here... but can we have an "Sign the post" option in the "more..." menu with the following properties:


 * The post is signed by an IP editor
 * The current session is logged into an account, and using the same IP
 * Less than X minutes (wiki configurable, default 5 or so minutes) has lapsed since the post was made,

then the post will be re-signed by the user as their account, with a thread log/history entry "User X signed this IP post".

Benefits: users who accidentally post "logged out", can log in and re-sign their post correctly if they immediately notice. No obvious downside.

This is prompted by the IP user below who notes that they can't re-sign a post if they forgot the first time, as you can on current talk pages.