"Stefan Behnel" <stefan...@behnel.de> wrote in message
news:mailman.7568.1393756930.18130.python-l...@python.org...
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
Indentation is actually a little more fragile than block-delimited source
code. (Press Delete inadvertently so that a tab disappears, and the code
might still be valid, but is now wrong.)
Perhaps indentation /and/ block-delimiting would be more robust.
(And the link shows a bad example: the error should have been picked up
anyway, but the language not only doesn't require formal indentation, but it
uses optional block ({}) delimiters, another source of errors. Having an
undifferentiated } to close all kinds of blocks doesn't help either.
--
Bartc
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