Yes, Ray, I’d confused Matlock between Notts. and Derbyshire. Mea Culpa, I am but human.

Secondly, Newtone Masterclass Acoustic 6-string sets (which are what I’m accustomed to using) are Round-core only, with choices of gauges and materials.

Newtone Masterclass Acoustic Strings

Otherwise, my point stands - Round-core strings should not be cut until tuned to pitch.