I am astonished that I could not find any post oder documentation page about what characters are (not) causing problems with what-ever NC function.
Out of the NC world some it freaks propose to use the ASCII characters but for NC “/” and " / " do cause problems whereas spaces, German Ä, Ü and Ösaren’t…
Or to ask differently: What characters do we have to avoid else than:
< > ? " : | \ / *.’