show a separator even if ec is NULL.
ec
RUBY_DEBUG_LOG() doesn't show anything if GET_EC() returns NULL, but print a separator "\t" to make consistent TSV.
RUBY_DEBUG_LOG()
GET_EC()
show a separator even if
ecis NULL.RUBY_DEBUG_LOG()doesn't show anything ifGET_EC()returns NULL,but print a separator "\t" to make consistent TSV.