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webp-lossless-bitstream-spec: limit dist map lut to 69 cols

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this is similar to an earlier change for most of the code examples:
  7a0a9935 doc/*.txt: restrict code to 69 columns

some renderers may limit output to 72 and use a 3 space indent; this
avoids overflowing into the margin

Bug: webp:448
Change-Id: I2e8d66f598889c7bd824e911ea01fd70f98a4130
This commit is contained in:
James Zern 2022-11-17 17:32:44 -08:00
parent 44741f9c58
commit 54ebd5a375
1 changed files with 18 additions and 15 deletions
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33
doc/webp-lossless-bitstream-spec.txt
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@ -744,21 +744,24 @@ The mapping between distance code `i` and the neighboring pixel offset
`(xi, yi)` is as follows: `(xi, yi)` is as follows:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
(0, 1), (1, 0), (1, 1), (-1, 1), (0, 2), (2, 0), (1, 2), (-1, 2), (0, 1), (1, 0), (1, 1), (-1, 1), (0, 2), (2, 0), (1, 2),
(2, 1), (-2, 1), (2, 2), (-2, 2), (0, 3), (3, 0), (1, 3), (-1, 3), (-1, 2), (2, 1), (-2, 1), (2, 2), (-2, 2), (0, 3), (3, 0),
(3, 1), (-3, 1), (2, 3), (-2, 3), (3, 2), (-3, 2), (0, 4), (4, 0), (1, 3), (-1, 3), (3, 1), (-3, 1), (2, 3), (-2, 3), (3, 2),
(1, 4), (-1, 4), (4, 1), (-4, 1), (3, 3), (-3, 3), (2, 4), (-2, 4), (-3, 2), (0, 4), (4, 0), (1, 4), (-1, 4), (4, 1), (-4, 1),
(4, 2), (-4, 2), (0, 5), (3, 4), (-3, 4), (4, 3), (-4, 3), (5, 0), (3, 3), (-3, 3), (2, 4), (-2, 4), (4, 2), (-4, 2), (0, 5),
(1, 5), (-1, 5), (5, 1), (-5, 1), (2, 5), (-2, 5), (5, 2), (-5, 2), (3, 4), (-3, 4), (4, 3), (-4, 3), (5, 0), (1, 5), (-1, 5),
(4, 4), (-4, 4), (3, 5), (-3, 5), (5, 3), (-5, 3), (0, 6), (6, 0), (5, 1), (-5, 1), (2, 5), (-2, 5), (5, 2), (-5, 2), (4, 4),
(1, 6), (-1, 6), (6, 1), (-6, 1), (2, 6), (-2, 6), (6, 2), (-6, 2), (-4, 4), (3, 5), (-3, 5), (5, 3), (-5, 3), (0, 6), (6, 0),
(4, 5), (-4, 5), (5, 4), (-5, 4), (3, 6), (-3, 6), (6, 3), (-6, 3), (1, 6), (-1, 6), (6, 1), (-6, 1), (2, 6), (-2, 6), (6, 2),
(0, 7), (7, 0), (1, 7), (-1, 7), (5, 5), (-5, 5), (7, 1), (-7, 1), (-6, 2), (4, 5), (-4, 5), (5, 4), (-5, 4), (3, 6), (-3, 6),
(4, 6), (-4, 6), (6, 4), (-6, 4), (2, 7), (-2, 7), (7, 2), (-7, 2), (6, 3), (-6, 3), (0, 7), (7, 0), (1, 7), (-1, 7), (5, 5),
(3, 7), (-3, 7), (7, 3), (-7, 3), (5, 6), (-5, 6), (6, 5), (-6, 5), (-5, 5), (7, 1), (-7, 1), (4, 6), (-4, 6), (6, 4), (-6, 4),
(8, 0), (4, 7), (-4, 7), (7, 4), (-7, 4), (8, 1), (8, 2), (6, 6), (2, 7), (-2, 7), (7, 2), (-7, 2), (3, 7), (-3, 7), (7, 3),
(-6, 6), (8, 3), (5, 7), (-5, 7), (7, 5), (-7, 5), (8, 4), (6, 7), (-7, 3), (5, 6), (-5, 6), (6, 5), (-6, 5), (8, 0), (4, 7),
(-6, 7), (7, 6), (-7, 6), (8, 5), (7, 7), (-7, 7), (8, 6), (8, 7) (-4, 7), (7, 4), (-7, 4), (8, 1), (8, 2), (6, 6), (-6, 6),
(8, 3), (5, 7), (-5, 7), (7, 5), (-7, 5), (8, 4), (6, 7),
(-6, 7), (7, 6), (-7, 6), (8, 5), (7, 7), (-7, 7), (8, 6),
(8, 7)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
For example, distance code `1` indicates an offset of `(0, 1)` for the For example, distance code `1` indicates an offset of `(0, 1)` for the