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webp-container-spec: note reserved fields MUST be ignored

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based on comments in:
https://datatracker.ietf.org/doc/draft-zern-webp/ballot/#draft-zern-webp_lars-eggert

Bug: webp:448
Change-Id: I45880467d8955389a2ef657beca9d734da223457
This commit is contained in:
James Zern 2022-10-10 14:05:04 -07:00
parent 57101d3fc5
commit 73b19b64fd
1 changed files with 5 additions and 5 deletions
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10
doc/webp-container-spec.txt
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@ -322,7 +322,7 @@ Extended WebP file header:
Reserved (Rsv): 2 bits Reserved (Rsv): 2 bits
: MUST be `0`. : MUST be `0`. Readers MUST ignore this field.
ICC profile (I): 1 bit ICC profile (I): 1 bit
@ -348,11 +348,11 @@ Animation (A): 1 bit
Reserved (R): 1 bit Reserved (R): 1 bit
: MUST be `0`. : MUST be `0`. Readers MUST ignore this field.
Reserved: 24 bits Reserved: 24 bits
: MUST be `0`. : MUST be `0`. Readers MUST ignore this field.
Canvas Width Minus One: 24 bits Canvas Width Minus One: 24 bits
@ -466,7 +466,7 @@ Frame Duration: 24 bits (_uint24_)
Reserved: 6 bits Reserved: 6 bits
: MUST be 0. : MUST be `0`. Readers MUST ignore this field.
Blending method (B): 1 bit Blending method (B): 1 bit
@ -547,7 +547,7 @@ _padded_ chunks as described by the [RIFF file format](#riff-file-format).
Reserved (Rsv): 2 bits Reserved (Rsv): 2 bits
: MUST be `0`. : MUST be `0`. Readers MUST ignore this field.
Pre-processing (P): 2 bits Pre-processing (P): 2 bits