Block previous display name use, and make searchable in acp

[chilihead]

If you search a previous display name nothing comes up, please add this ability.

If a member changes names and you are not aware you need to be able to find them without researching posts and quotes.

Can you add the fields of Display Name History to the acp search? You could click the previous name in search and it links to the current profile. You'd see the previous name in Display Name History.

*Since a new member can use a previous name I suppose It'd have to show 2 results*

2nd suggestion: Please add a setting to disallow using previous display names. This can be an issue. Same exact display name will look like same author of new posts and old quotes and just be confusing overall in longstanding communities.

Thanks