[Python-Dev] PEP 8 modernisation
LD 'Gus' Landis
ldlandis at gmail.com
Thu Aug 1 16:43:03 CEST 2013
On Thu, Aug 1, 2013 at 8:31 AM, Steven D'Aprano <steve at pearwood.info> wrote:
> On 01/08/13 22:44, Nick Coghlan wrote:
> 4. Lines up to 99 characters are now permitted (but 79 is still the
>> preferred limit)
> Coincidentally, there was a discussion about line length on python-list
> over the last couple of days. I think the two most relevant comments are by
> Skip Montanaro:
I believe there may be a relationship to the 7 plus or minus 2 (times 10)
of human conceptual limits.
Personally I find it very difficult to read text with long lines.
Historically two or three column (newspaper/book) with a barrier margin
was used to get much more text on the page, but still the reader had much
shorter "chunks" to absorb.
> If I may be permitted to paraphrase:
> - publishers and printers have been dealing with readability of text for
> an awfully long time, and they pretty much all use a de facto standard of
> 70-80 characters per line;
> - most lines of code are short, stretching the max out to 100 characters
> when most lines are around 60 just ends up wasting screen real estate if
> your editor window is wide enough to deal with the max.
> To that last point, I add: it's even worse if you keep the editor
> relatively narrow, since now you have a few lines that require horizontal
> scrolling, which is awful, or line-wrapping, neither of which are palatable.
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