Experienced locally but also found e.g. here: https://sources.debian.net/src/python-django/1.7.10-1/debian/patches/02_disable-sources-in-sphinxdoc.diff/
"From:" is UTF-8. DS -- 4096R/DF5182C8 46CB 1CA8 9EA3 B743 7676 1DB9 15E0 9AF4 DF51 82C8 LPI certified Linux admin (LPI000329859 64mz6f7kt4) http://www.danielstender.com/blog/
