[orca-list] No more "finished loading" in Firefox

[Frans-Willem Post <fwpost gmail com>]

Hello all,

Using Orca 3.28.0, Ubuntu 18.04.1 and Firefox 61.0.1.

While on any webpage, I often use "Say all" to listen to blog posts,
articles and such. Orca's speech is regularly interrupted with "Finished
loading foo.png, 1200 times 800 pixels" or any other graphic that seems
to be loaded in the background.

I have searched through the Orca preferences for Firefox (Orca + Ctrl +
Space), but have not found any way to disable this behavior.

Is there a way to prevent Orca or Firefox from bothering me with
"finished loading..." messages?

Thanks in advance,

Frans-Willem Post

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