On Jun 18, 2013, at 2:13 PM, Itamar Turner-Trauring <ita...@itamarst.org> wrote:
> On 06/18/2013 02:22 PM, Glyph wrote: >> Making an API that previously documented raising (or failing) exception >> types A, B, and C raise (or fail with) D is not necessarily a compatible >> change. Making it raise (or fail with) A' (a subclass of A) is, though. >> > The API for pop3client does *not* document the expected exceptions, so > backwards compatibility isn't really an issue here. Hrm. I would say that if you don't document exceptions, then you just have to support whatever your behavior was before :). http://twistedmatrix.com/trac/wiki/CompatibilityPolicy does not explore this issue, though. -glyph
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