[Pkg-roundcube-maintainers] Bug#1061622: Some e-mail attachments are invisible

[BohwaZ]

Package: roundcube
Version: 1.6.6

When an email message has attachments marked as "inline", but not
included in HTML body, Roundcube shows the attachment in the list of
messages, but when viewing the message, no attachments are shown.

In that case attachments are rendered "invisible": we know (from the
message list) that the messages has attachments, but there is way to
see or download them.

This is because RoundCube falsely considers inline attachments to be
included in the HTML e-mail, but it's not always the case.

See attached screenshot.

I am suggesting using the attached patch to solve the issue, by always
allowing to open and save inline files, as is the case with other email
software like Zimbra, Claws Mail, GMail and Mutt.

I am suggesting this patch here as upstream doesn't want to fix
this longstanding issue:
https://github.com/roundcube/roundcubemail/pull/9150

Thank you.
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