Filtering out non-readable characters

[Peter Hansen]

Jp Calderone wrote:
> On Sat, 16 Jul 2005 19:01:50 -0400, Peter Hansen <peter at engcorp.com> wrote:
>> George Sakkis wrote:
>>>>>> identity = string.maketrans('','')
>>
>> Wow!  That's handy, not to mention undocumented.  (At least in the
>> string module docs.)  Where did you learn that, George?
>>
> http://python.org/doc/lib/node109.html

Perhaps I was unclear.  I thought it would be obvious that I knew where 
to find the docs for maketrans(), but that the particular behaviour 
shown (i.e. arguments of '' having that effect) was undocumented in that 
page.

-Peter