Added test for NULL fmt pointer. Added test for NULL pointer arg to %n. Added test for NULL pointer arg to %s. Minor tidy-ups. Added new test block for continuation specifier.
Added test for NULL fmt pointer.
Added test for NULL pointer arg to %n.
Added test for NULL pointer arg to %s.
Minor tidy-ups.
Added new test block for continuation specifier.

rakendrathapa/format,cybercircuits/format