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webp-lossless-bitstream-spec: reword abstract re alpha

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'zero alpha pixels' was a bit hard to parse; replace this with something
more explicit

Bug: webp:448
Change-Id: Ifc8c93af5520ffdafc58e3fc311dfb4cb19626e9
This commit is contained in:
James Zern 2022-11-17 18:22:56 -08:00
parent f6a4684ba8
commit 1e8e3ded21
1 changed files with 1 additions and 1 deletions
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doc/webp-lossless-bitstream-spec.txt
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@ -23,7 +23,7 @@ Abstract
WebP lossless is an image format for lossless compression of ARGB WebP lossless is an image format for lossless compression of ARGB
images. The lossless format stores and restores the pixel values images. The lossless format stores and restores the pixel values
exactly, including the color values for zero alpha pixels. The exactly, including the color values for pixels whose alpha value is 0. The
format uses subresolution images, recursively embedded into the format format uses subresolution images, recursively embedded into the format
itself, for storing statistical data about the images, such as the used itself, for storing statistical data about the images, such as the used
entropy codes, spatial predictors, color space conversion, and color entropy codes, spatial predictors, color space conversion, and color