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webp-lossless-bitstream-spec: add some missing commas

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The serial comma change is based on the Chicago Manual of Style
(CMOS), 17th edition.

Bug: webp:611
Change-Id: Ic02e6652662608414c16e0fead2912781a47633d
This commit is contained in:
James Zern 2023-07-25 22:09:00 -07:00
parent 56471a53cf
commit 3cb66f64b0
1 changed files with 3 additions and 3 deletions
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6
doc/webp-lossless-bitstream-spec.txt
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@ -58,12 +58,12 @@ b = ReadBits(1);
b |= ReadBits(1) << 1; b |= ReadBits(1) << 1;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
We assume that each color component, that is, alpha, red, blue and green, is We assume that each color component, that is, alpha, red, blue, and green, is
represented using an 8-bit byte. We define the corresponding type as uint8. A represented using an 8-bit byte. We define the corresponding type as uint8. A
whole ARGB pixel is represented by a type called uint32, which is an unsigned whole ARGB pixel is represented by a type called uint32, which is an unsigned
integer consisting of 32 bits. In the code showing the behavior of the integer consisting of 32 bits. In the code showing the behavior of the
transforms, these values are codified in the following bits: alpha in bits transforms, these values are codified in the following bits: alpha in bits
31..24, red in bits 23..16, green in bits 15..8 and blue in bits 7..0; however, 31..24, red in bits 23..16, green in bits 15..8, and blue in bits 7..0; however,
implementations of the format are free to use another representation internally. implementations of the format are free to use another representation internally.
Broadly, a WebP lossless image contains header data, transform information, and Broadly, a WebP lossless image contains header data, transform information, and
@ -592,7 +592,7 @@ The values are packed into the green component as follows:
After reading this transform, `image_width` is subsampled by `width_bits`. This After reading this transform, `image_width` is subsampled by `width_bits`. This
affects the size of subsequent transforms. The new size can be calculated using affects the size of subsequent transforms. The new size can be calculated using
`DIV_ROUND_UP` as defined [earlier](#predictor-transform). `DIV_ROUND_UP`, as defined [earlier](#predictor-transform).
``` ```
image_width = DIV_ROUND_UP(image_width, 1 << width_bits); image_width = DIV_ROUND_UP(image_width, 1 << width_bits);