ladybird

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Nico Weber 24967b0d29 LibGfx: Second attempt to handle max_symbol correctly in webp decoder

The previous attempt was in commit e5e9d3b877, where I thought
max_symbol describes how many code lengths should be read.

But it looks like it instead describes how many code length input
symbols should be read. (The two aren't the same since one code length
input symbol can produce several code lengths.)

I still agree with the commit description of e5e9d3b877 that the spec
isn't very clear on this :)

This time I've found a file that sets max_symbol and with this change
here, that file decodes correctly. (It's Qpalette.webp, which I'm about
to add as a test case.)

2023-04-08 16:50:40 +02:00