This looks like a great project. Medieval manuscripts used something similar: https://en.wikipedia.org/wiki/List_of_medieval_abbreviations https://en.wikipedia.

This looks like a great project. Medieval manuscripts used something similar: https://en.wikipedia.org/wiki/List_of_medieval_abbreviations https://en.wikipedia.org/wiki/List_of_medieval_abbreviations You can go back even farther to ancient inscriptions. Humans have been trying to save a few characters here and there for quite a while.