Name
  annot:SetMarkupAnnotQuadPoints -- set markup annotation quad points
Synopsis

      status = annot:SetMarkupAnnotQuadPoints(lb, rb, rt, lt)

Function
  This method is currently undocumented in libHaru. Complain to the libHaru authors.

  The parameters `lb`, `rb`, `rt`, and `lt` must be tables that describe a point each. Thus, each of those tables must contain the fields `x` and `y`.

  Returns `#HPDF_OK` on success. Otherwise, returns an error code and the error handler is invoked.

Inputs
  lb
    left bottom point
  rb
    right bottom point
  rt
    right top point
  lt
    left top point
Results
  status
    status code

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