bug#38507: Fwd: Re: eww error: error in process filter: Window system frame should be used

[A.C.]

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From: "A.C." <achirvasub@gmail.com>
Sent: December 6, 2019 12:09:46 AM EST
To: bug-gnu-emacs@gnu.org
Subject: Re: eww error: error in process filter: Window system frame should be used

To follow up with some more info:

As the trace indicates, the problem seems to be caused by an svg image that website tries to load. This happens only when I start emacs in a terminal (with the '-nw' flag). The website loads fine

- when emacs runs in an x window (so plain 'emacs' rather than 'emacs -nw');
- in a terminal, provided I disable svg images with 

 (setq shr-blocked-images "svg")

So there are ways around this, but surely eww could handle this more gracefully? Perhaps with the right combination of compile config options?

On December 5, 2019 9:33:24 PM EST, Stuart Little <achirvasub@gmail.com> wrote:

I am running the latest emacs compiled from source (27.0.50). My configuration parameters are in the configure.txt attached file.

My problem:

M-x eww RET arxiv.org RET

returns the error in the title of this message:

error in process filter: Window system frame should be used

I am attaching the debugger trace produced upon setting debug-on-error to 't' (the file is trace.txt).  

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Sent from my Android device with K-9 Mail. Please excuse my brevity.