I was thinking a "Mini" choil Just take NO MORE than 1/8 inch toward the point from the Plunge line. That would be a minimal choil yet allow for using round rods or any kind of stone to sharpen every bit of the edge. In my experience (and I am NO expert), sharpening all the way to the plunge line (no choil) can leave for a small portion of the edge that can not be sharpened because the edge against the plunge line is quite a bit thicker than the actual cutting part of the edge further along the edge toward the point.

Hope I haven't confused you with my lame attempt at an explanation.