linux-kernel - Re: [PATCH] checkpatch.pl: remove the 80 charactes punch card limit

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Message-ID: <1264628184.11228.7.camel@wall-e>
Date:	Wed, 27 Jan 2010 22:36:24 +0100
From:	Stefani Seibold <stefani@...bold.net>
To:	Joel Schopp <jschopp@...tin.ibm.com>
Cc:	David Daney <ddaney@...iumnetworks.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>, apw@...onical.com,
	davej@...hat.com
Subject: Re: [PATCH] checkpatch.pl: remove the 80 charactes punch card limit

Am Mittwoch, den 27.01.2010, 14:31 -0600 schrieb Joel Schopp:
> >>
> >>
> >> While the origins of 80 character lines dates back to punchcards 
> >> there is a reason it has survived the test of time.
> >
> > Has it though?  If that were the undisputed truth, we wouldn't be 
> > having this discussion.
> 
> If you know of a usability study that quantifies the effect of line 
> length on readibility of C code I'm willing to listen, and I'm sure 
> others are too.

Show me the usability study with claims that 80 columns is the wisdom in
software engineering. Why not 73, 90 or 95? The only reason for the 80
columns is a historic one. 

And the programming rules for linux doesn't manifest the 80 character
per line.

Code will get in many cases harder to read, especially together with the
tab size of 8. Multiline C statements makes the code IMHO harder to
read.

Stefani


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