Spaces and tabs again

[John Machin]

Paul Watson wrote:
> Dan Sommers wrote:
> 
>> On Sun, 14 Aug 2005 01:04:04 GMT,
>> Dennis Lee Bieber <wlfraed at ix.netcom.com> wrote:
>>
>>
>>> On 13 Aug 2005 13:18:21 -0700, sigzero at gmail.com declaimed the following
>>> in comp.lang.python:
>>
>>
>>
>>>> Are you kidding? You are going to MANDATE spaces?
>>>>
>>>
>>>     After the backlash, Python 4.0 will ban leading spaces and require
>>> tabs <G>
>>
>>
>>
>> Why not petition the unicode people to include PYTHON INDENT and PYTHON
>> DEDENT code points, and leave the display up to the text editors?  ;-)
>>
>> Regards,
>> Dan
> 
> 
> The Unicode people will correctly point out that there is already a 
> Unicode codepoint assignment which can be used for this purpose.  It is 
> even in the BMP portion of the C0 controls group.
> 
>     0009 = HORIZONTAL TABULATION

and how do you use this to get the DEDENT effect? Use something out of 
the bidirectional kit? E.g. RLO then tab then PDF ;-)