I was writing out my translation (into French) of the Irish folktale The Giant's Stairs. - Neither...nor in French is ni...ni, but of course I found afterwards that I'd written - ní....ní

When this:

... to find an orthogonal matrix pair [N(s)-D(s)] to [DT(s) NT (s)]T ...

reminds you of a rule not to lenite d, t, or s after DNTLS.

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Múinteoir Gaeilge - Irish Teacher
My "specialty" is Connemara Irish, particularly Cois Fhairrge dialect, but I can also speak Ulster and Munster Irish with native-level pronunciation.
Is fearr Gaeilge ḃriste ná Béarla cliste, cinnte, aċ i ḃfad níos fearr aríst í Gaeilge ḃinn ḃeo na nGaeltaċtaí.
Gaeilge Chonnacht (GC), go háraid Gaeilge Chois Fhairrge (GCF), Gaeilic Uladh (GU), Gaelainn na Mumhan (GM), agus Gaeilge an Chaighdeáin Oifigiúil (CO).

LOL! That's a good one!

Redwolf