HaloMods "Classic" Read-only Archive

I was searching on mozilla.com for extensions and i found this-
https://addons.mozilla.org/en-US/firefox/addon/4819
It's a photo to text converter
heres an example

But when I try to copy it into the forum text box, it doesn't copy the spaces.

Yea there swoot.

Oh yeah?

Real time ASCII art renderer.

I don't get it.. ;_;