Unfortunately, the ABC from Alan Foster's software MidiText is often incorrect, particularly for printing sheet music, if the tune starts with an anacrusis (upbeat). In this case, use one of the usual tools to reconvert the ABC to a MIDI file, and
- either load the latter into an ordinary notation software and move all the notes to the right; print the "dots" from there or re-export to ABC
- or use a MIDi-to-ABC tool that allows for specifying an offset.