Look at a couple of these scenarios:
Google
And this:
[COLOR="White"]Google[/COLOR] extra text
and look how the text of the URL becomes invisible even when I reveal the spoiler, and I visit the link rather than reveal the spoiler when I click on the link portion.
And you can't turn the spoiler hiding back on if you want to
You'll have to quote the post to see what I did.
Can we have a better spoiler implementation?
And code tags that turn off interpretation of BBcode?
So they don't look like: