why indentation should be part of the syntax

[Stefan Behnel]

Haven't seen any mention of it on this list yet, but since it's such an
obvious flaw in quite a number of programming languages, here's a good
article on the recent security bug in iOS, which was due to accidentally
duplicated code not actually being as indented as it looked:

https://www.imperialviolet.org/2014/02/22/applebug.html

Stefan