Timeline for Python?

[Lawrence D'Oliveiro]

In message <1159060365.363391.238090 at d34g2000cwd.googlegroups.com>, Blair P.
Houghton wrote:

> wesley chun wrote:
>>
>> 1. never write against older versions of Python... you will only
>>     obsolete your book even faster (well, "sooner")
> 
> I believe there is some market for documentation of older
> versions of software.  Many installations are constrained
> by the cost of upgrading and can not migrate to a newer
> version.

And they can afford to buy books??

If they're that strapped for cash, it's cheaper to access documentation on
the Web.