Both of these only cover case changes for the object being counted: cases are pretty common across non-English languages so this is simple enough on its own.
The main difference I see in Breton is the rules for 1-9 follow through for double-digits n1-n9 - I would've suspected this to be true for Irish but I just speak it, don't study it, so confidence in my grammatical knowledge is low.
Irish definitely doesn't have the exceptions for 71-79 & 91-99; this smells like French influence.
The main thing missing from both of these though is modifications to the actual words for numerals: they kind of get away with it by sticking to digits, but I'm not sure if that's always the case in the translated output of i18n libraries referencing this. If they're ever outputting words in place of numerical digits then these are both very incomplete.
Irish then also has an entirely different way of counting persons which isn't included.
Comments
Both of these only cover case changes for the object being counted: cases are pretty common across non-English languages so this is simple enough on its own.
The main difference I see in Breton is the rules for 1-9 follow through for double-digits n1-n9 - I would've suspected this to be true for Irish but I just speak it, don't study it, so confidence in my grammatical knowledge is low.
Irish definitely doesn't have the exceptions for 71-79 & 91-99; this smells like French influence.
The main thing missing from both of these though is modifications to the actual words for numerals: they kind of get away with it by sticking to digits, but I'm not sure if that's always the case in the translated output of i18n libraries referencing this. If they're ever outputting words in place of numerical digits then these are both very incomplete.
Irish then also has an entirely different way of counting persons which isn't included.