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@ -881,7 +881,7 @@ class Image(object):
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"L", "RGB" and "CMYK." The **matrix** argument only supports "L"
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and "RGB".
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When translating a color image to black and white (mode "L"),
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When translating a color image to greyscale (mode "L"),
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the library uses the ITU-R 601-2 luma transform::
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L = R * 299/1000 + G * 587/1000 + B * 114/1000
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