fix, PEBKAC, use truf_tsv_t as result type for co_echs_pos iteration

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
fix, read over separator after MMY

Signed-off-by: Sebastian Freundt <freundt@ga-group.nl>
Merge branch 'code/hygiene'

* code/hygiene:
  fix, read over separator after MMY
  fix, PEBKAC, use truf_tsv_t as result type for co_echs_pos iteration