I've saved a bad HTML and narrowed it down, so now I know how to reproduce the bug. Try
cp /usr/share/icons/application-default-icon.png .
echo '<html><body background="application%2Ddefault%2Dicon.png"></body></html>' >foo.html
epiphany foo.html
Hope that helps.
I've saved a bad HTML and narrowed it down, so now I know how to reproduce the bug. Try icons/applicati on-default- icon.png . "application% 2Ddefault% 2Dicon. png"></ body></ html>' >foo.html
cp /usr/share/
echo '<html><body background=
epiphany foo.html
Hope that helps.