[issue26223] decimal.to_eng_string() does not implement engineering notation in all cases.

Keith Brafford added the comment: Serge, I wrote this awhile back, before I learned you aren't supposed to subclass built-in types. Is this the type of effect you're looking for? https://gist.github.com/kbrafford/da39e06d18b6df2a0eecb4493699 Here's an example

[issue8060] PEP 3101 string formatting missing engineering presentation type for floating point

Keith Brafford added the comment: Ok, let's zero in on how this should work. I'll start the concrete proposal discussion in terms of how it would have worked with the old-style specifiers (since I am more familiar with that method) and we can bring it up to Py3K standards as a gro