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List:       kmail-devel
Subject:    Bug#43126: kmail dismiss changes made to attachment in tmp file
From:       Ingo =?iso-8859-1?q?Kl=F6cker?= <kloecker () kde ! org>
Date:       2002-06-15 22:30:21
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On Sunday 09 June 2002 00:30, imr wrote:
> On Tuesday 28 May 2002 22:12, Ingo Klöcker wrote:
> Excuse me for replying so late.
>
> > Sorry, but why should you be able to alter the contents of an
> > attachment?
> > IMO the attachment in a message should never be changed as it
> > represents the state in which you received the attachment.
>
> To be honnest, I do have the same opinion regarding attachments.
> BUT, this whole bug report came from a brand new user of kmail who
> did open an attachment in staroffice, made a few changes, clicked
> save and later, was surprised to find his attachment unchanged.
> We're talking usability there, and the whole process was natural to
> her. So, yes having the tmp file read only would have prevented her
> from losing her changes but also would have enforced our point of vue
> on her and distracted her from a perfectly intuitive behavior.
> If our standpoint, "do leave  attachments untouched", is based on
> security issues (which I don't see right now), than fine, i agree
> 100% with you.

Changing the attachment will break the electronic signature of a 
PGP/MIME or S/MIME message.

> But if it's only some kind of "mail should not be
> touched, ever" moral standpoint, then I disagree:
> if the attachment can be modified, why someone like us, who believes
> attachments should not be modified, would open his attachment in some
> external program, click on save and suddenly get angry that his
> attachment was modified???
> It just doesn't make sense. So no problems can arise from there. Or
> am I wrong?

See above for one reason why received attachments shouldn't be 
modifiable.

> On the other end, if the attachment can't be modified, we're
> preventing some less strict users to have some perfectly intuitive
> behavior, and getting them annoyed by annoying limitations.

They should do what everyone else does. Save the attachment and then 
modify the saved version.

Regards,
Ingo

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(Complete bug history is available at http://bugs.kde.org/db/43/43126.html)
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