newlib/libc/time/strftime.c(__strftime):
%i year in century [00..99] Synonym for "%y". Non-POSIX extension. [tm_year]
%q GNU quarter of the year (from `<<1>>' to `<<4>>') [tm_mon]
%v OSX/Ruby VMS/Oracle date "%d-%b-%Y". Non-POSIX extension. [tm_mday, tm_mon, tm_year]
add %i %q %v tests
%Z clarify current time zone *abbreviation* not "name" [tm_isdst]
---
 newlib/libc/time/strftime.c | 67 +++++++++++++++++++++++++++++++++++--
 1 file changed, 64 insertions(+), 3 deletions(-)