> I have used two Unicode characters, u1EA5 and u1EC7 > in a groff document,
Do you use a font that contains those two characters? Then it would classify as a bug, otherwise... > but get messages (for the first: > > warning: can't find special character `u0065_0323_0302' > > and > > warning: can't find special character `u0061_0302_0301' > for the second. ... it is expected, since groff doesn't have a mechanism to automatically construct stacked diacritics. In other words, you have to provide .char \[u0065_0323_0302] ... .char \[u0061_0302_0301] ... ... by yourself. Werner