What are the four numbers in the `linestyle` vector?

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I could not find it via search in the docs but

help?> Linestyle
search: Linestyle

  Linestyle(value::Vector{<:Real})


  A type that can be used as value for the linestyle keyword argument of plotting functions to arbitrarily customize the linestyle.

  The value is a vector of positions where the line flips from being drawn or not and vice versa. The values of value are in units of
  linewidth.

  For example, with value = [0.0, 4.0, 6.0, 9.5] you start drawing at 0, stop at 4 linewidths, start again at 6, stop at 9.5, then
  repeat with 0 and 9.5 being treated as the same position.

So it’s nearly line-gap-line-gap just in position w.r.t. line width (and more in a sum sense than in individual length).

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