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webp-lossless-bitstream-spec: split LZ77 Backward Ref section

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Make Distance Mapping its section for ease of reference.

Bug: webp:611
Change-Id: I57bb68e0fcf4d23ce0013f327adce93c6377be3a
This commit is contained in:
James Zern 2023-06-22 17:38:12 -07:00
parent 7f1b6799db
commit 6c3845f9e0
1 changed files with 1 additions and 2 deletions
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doc/webp-lossless-bitstream-spec.txt
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@ -693,8 +693,7 @@ int offset = (2 + (prefix_code & 1)) << extra_bits;
return offset + ReadBits(extra_bits) + 1;
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
**Distance Mapping:**
{:#distance-mapping}
##### Distance Mapping
As noted previously, a distance code is a number indicating the position of a
previously seen pixel, from which the pixels are to be copied. This subsection