As an added bonus you can customise the message creation toolbar menu
and put the "insert file" icon there.
-Make the the composer window wide enough so that no lines wrap. As of
+Make the composer window wide enough so that no lines wrap. As of
KMail 1.13.5 (KDE 4.5.4), KMail will apply word wrapping when sending
the email if the lines wrap in the composer window. Having word wrapping
disabled in the Options menu isn't enough. Thus, if your patch has very