libexttextcat-dev 3.4.4-1ubuntu2 (s390x binary) in ubuntu xenial

 Libexttextcat is a library with functions that implement the classification
 technic 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.
 .
 This package provides the files needed for building packages which use
 libexttextcat.