On Wed, Nov 28, 2012 at 5:20 PM, Dennis Lee Bieber <wlfr...@ix.netcom.com>wrote:
> On 28 Nov 2012 21:39:03 GMT, Steven D'Aprano > <steve+comp.lang.pyt...@pearwood.info> declaimed the following in > gmane.comp.python.general:> py> if True: > > ... if True: # tab > > ... pass # tab, then four spaces > > ... pass # two spaces, tab, four spaces > > File "<stdin>", line 4 > > pass # two spaces, tab, four spaces > > ^ > > TabError: inconsistent use of tabs and spaces in indentation > > > > Unless there has been a major change in the parser... (I still > don't > have Python 3.x installed) > > I believe <tab> is expanded to 8-spaces -- NOT TO NEXT MULTIPLE OF > 8... > Next multiple of 8 is correct, according to the docs: Tabs are replaced (from left to right) by one to eight spaces such that the > total number of characters up to and including the replacement is a > multiple of eight (this is intended to be the same rule as used by Unix). > The total number of spaces preceding the first non-blank character then > determines the line’s indentation. Indentation cannot be split over > multiple physical lines using backslashes; the whitespace up to the first > backslash determines the indentation. > http://docs.python.org/3/reference/lexical_analysis.html#indentation Testing Steven's formulation with Python 2, I find that it runs without comment without the -tt option, but it raises the TabError with the -tt option.
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