Issue #5812: make Fraction('1e-6') valid. Backport of r71806.
diff --git a/Misc/NEWS b/Misc/NEWS
index aa4fa6d..5515af9 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -241,6 +241,10 @@
Library
-------
+- Issue #5812: Fraction('1e6') is valid: more generally, any string
+ that's valid for float() is now valid for Fraction(), with the
+ exception of strings representing NaNs and infinities.
+
- Issue #5795: Fixed test_distutils failure on Debian ppc.
- Issue #5768: Fixed bug in Unicode output logic and test case for same.