I used to believe much more strongly in postponing optimization than I do now. And I eventually ended up with a language that required 200k+ memory allocations to add 1+1 in a loop. (
http://akkartik.name/post/wart)
This feels like a similar discovery. I've been thinking "plain text takes up no space" for a long time. It's shocking that I have accumulated a CD-ROM of it in this one forgotten sub-directory, one keystroke at a time.