New submission from Aaron Maenpaa <aa...@maenpaa.ca>:

The paragraph: "The exactness carries over into arithmetic. In decimal floating 
point, 0.1 + 0.1 + 0.1 - 0.3 is exactly equal to zero. In binary floating 
point, the result is 5.5511151231257827e-017. While near to zero, the 
differences prevent reliable equality testing and differences can accumulate. 
For this reason, decimal is preferred in accounting applications which have 
strict equality invariants."

... has some awkward phrasing to my ear. I've attached a patch with a proposed 
alternative.

----------
assignee: docs@python
components: Documentation
files: rephrase.diff
keywords: patch
messages: 150814
nosy: docs@python, zacherates
priority: normal
severity: normal
status: open
title: Awkward phrasing in Decimal documentation
versions: Python 3.3
Added file: http://bugs.python.org/file24165/rephrase.diff

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