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In bug 19178 comment #3 Loretta proposes the following: Can we separate use of % for line position from whether snap-to-lines is true? My use cases seem to want snap-to-lines behavior, but use % values for line location. Perhaps, if snap-to-lines is true, line% could be automatically resolved to the closest line. I suppose this has the potential for mapping separate %-based lines to the same line number, but we probably already have rendering overlap happening if this is the case and we use absolute positioning.
Is the essence of this request to reduce the differences between snap-to-line and non-snap-to-lines? I'm sympathetic to that, in particular it would be nice if one could use the line-stepping overlap avoidance together with absolutely positioned cues. I don't know a use case for it, but it looks like a simplification.
I think so, but maybe Loretta can clarify. I also think it would make sense to apply the same line-stepping overlap avoidance for both snap-to-line and non-snap-to-lines. The one for non-snap-to-lines it too fuzzy right now anyway.
Yes, that overlap avoidance is rather vague, some unification in that area would be nice.
Yes, unifying the overlap avoidance is desirable.