Expanding the timestamp option inside the printf format string results
in printf warnings because the % characters get interpreted as format
specifiers.
Coverage remained the same at 87.369% when pulling 7ae6d8224f812f722fdad81b282d31116fff446e on christogriffith:issue409-printf-warnings into e9d65e62b05cf8e38987d52ab2ef909f033413d8 on oetiker:master.
Coverage remained the same at 87.369% when pulling 7ae6d8224f812f722fdad81b282d31116fff446e on christogriffith:issue409-printf-warnings into e9d65e62b05cf8e38987d52ab2ef909f033413d8 on oetiker:master.
Expanding the timestamp option inside the printf format string results in printf warnings because the % characters get interpreted as format specifiers.
Fixes: #409