bpo-28307: Tests and fixes for optimization of C-style formatting (GH-26318)

Fix errors:
* "%10.s" should be equal to "%10.0s", not "%10s".
* Tuples with starred expressions caused a SyntaxError.

Serhiy Storchaka committed 5y ago

8b010673185d36d13e69e5bf7d902a0b3fa63051

Parent: bd7476d

Committed by GitHub <noreply@github.com> on 5/23/2021, 4:06:48 PM