Perhaps that sort of error is not a problem in this particular context. Adding slashes or dots makes the zero or oh look like an eight. This issue affected the

Perhaps that sort of error is not a problem in this particular context. Adding slashes or dots makes the zero or oh look like an eight. This issue affected the design of the FE-Schrift font: https://en.wikipedia.org/wiki/FE-Schrift#Development https://en.wikipedia.org/wiki/FE-Schrift#Development