Blog post on hidden treasure in the D standard library.

[via Digitalmars-d-announce]

On Saturday, 30 August 2014 at 12:44:16 UTC, eles wrote:
> Actually, IIRC (not native English speaker here), it was once 
> told me that the symbol for "I" (first person) is a different 
> one, something like a half of circle, but in print we use "I" 
> for convenience, as it is pronounced the same and it is the 
> most similar too.

It came from "ic" ("ik", "ich"), which was reduced to "i" and 
then capitalized a century later to add weight. The lower case 
"i" was originally without at dot…

http://www.etymonline.com/index.php?term=I

So basically "i" is no less correct than "I", it is just even 
more arcane… :-)