Allowing spoilers in signatures

This will make things sorted...I like having things in spoilers, and I think others also do...Well, could this be enabled?

Apparently not possible to do with SMF without modifying the code.

Replying to #2

I've seen a option...but I do not remember where.

so you can't just put

Spoiler

surrounding anything

Replying to #4

Doesn't work in signatures.