Moving from Python 2 to Python 3: A 4 page "cheat sheet"

[MRAB]

Mark Summerfield wrote:
> On 2 Dec, 19:28, David H Wild <dhw... at talktalk.net> wrote:
>> In article
>> <351fcb4c-4e88-41b0-a0aa-b3d63832d... at e23g2000yqd.googlegroups.com>,
>>    Mark Summerfield <l... at qtrac.plus.com> wrote:
>>
>>> I only just found out that I was supposed to give a different URL:
>>> http://www.informit.com/promotions/promotion.aspx?promo=137519
>>> This leads to a web page where you can download the document (just by
>>> clicking the "Download Now" button), but if you _choose_ you can also
>>> enter your name and email to win some sort of prize.
>> There is a typographical fault on page 4 of this pdf file. The letter "P"
>> is missing from the word "Python" at the head of the comparison columns.
> 
Which is page 4? The page numbers are missing! (But the column titles
look OK.) :-)

> I can't see that problem---I've tried the PDF with evince, gv,
> acroread, and okular, and no missing "P" on page 4. I don't have a
> machine with RISC OS on it so I can't test on that environment!
>