Subject: bug#36773: 27.0.50; Accessing a cached SVG with eww can cause Emacs to crash

From: Eli Zaretskii <[email-masked]>
Date: Wed, 24 Jul 2019 22:11:04 +0300

> From: Pip Cet <[email-masked]>
> Date: Wed, 24 Jul 2019 18:28:20 +0000
> Cc: [email-masked], [email-masked]
> 
> > What's more, this problem doesn't happen in Emacs 26.2.90.  Can you
> > see why it started happening in Emacs 27?  Maybe that will provide a
> > hint as to how to fix it.
> 
> -      (zlib-decompress-region (point) (point-max)))))))
> +      (zlib-decompress-region (point) (point-max) t))))))
> 
> The allow-partial flag means to delete rather than simply leave the
> (uncompressed) data in place.

I thought that additional argument only mattered upon failure to
completely uncompress the data.  Otherwise, the use of that argument
should not have changed the behavior.  Are you saying that the
decompression failed in this case?  If not, what am I missing?

Thanks.