libexttextcat-2.0-0 3.4.6-1 (arm64 binary) in ubuntu mantic

 Libexttextcat is a library with functions that implement the classification
 technique described in Cavnar & Trenkle, "N-Gram-Based Text Categorization".
 It was primarily developed for language guessing, a task on which it is known
 to perform with near-perfect accuracy.