In the Stroke Patterns above, Daryl has deliberately listed the Variations from the 6th edition, not the 7th. Specifically, he listed the Standard Shoulder Turn (versus Rotated) and the Standard Hip Turn (versus Slide).
Also, in the Drag Loading (Swinging) Pattern, he corrected the description of 6th edition's Component #23 Variation (from Straight Line to Top Arc and Straight Line). The Variation reference itself, 10-23-C, was (and is) correct.
I strongly endorse Daryl's decision to maintain the Variations as listed (in a variety of Stroke Patterns) and published by Homer Kelley in the first six editions. Also, for owners of only the 6th edition, his correction of the Variation Description (which oversight was posthumously corrected in the 7th).