Name
  page:GetRGBStroke -- get RGB stroking color
Synopsis

      t = page:GetRGBStroke()

Function
  `page:GetRGBStroke()` returns the current value of the page's stroking color. `page:GetRGBStroke()` is valid only when the page's stroking color space is `#HPDF_CS_DEVICE_RGB`.

  This function returns a table with the following fields initialized:

  `R`
    Red level of color.
  `G`
    Green level of color.
  `B`
    Blue level of color.

  All fields contain values between 0 and 1.

Inputs
  none

Results
  t
    current RGB stroking color

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