[geary: 10/10] Merge branch 'mjog/rfc822-cleanup-part-n' into 'mainline'

[Michael Gratton <mjog src gnome org>]

commit e89a5cadbd15d8fdf67d69e3cc6d7ca97918f2cb
Merge: 8e33f8fe0 53ddf8192
Author: Michael Gratton <mike vee net>
Date:   Fri Jul 31 02:26:23 2020 +0000

    Merge branch 'mjog/rfc822-cleanup-part-n' into 'mainline'
    
    RFC822 error handling cleanup
    
    Closes #889
    
    See merge request GNOME/geary!534

 po/POTFILES.in                                     |  1 -
 src/client/composer/composer-widget.vala           | 10 +--
 src/engine/api/geary-email.vala                    | 58 +++++++++++----
 src/engine/imap/api/imap-folder-session.vala       | 39 ++++++----
 .../imap/response/imap-fetch-data-decoder.vala     | 33 +++++++-
 src/engine/memory/memory-offset-buffer.vala        | 47 ------------
 src/engine/meson.build                             |  1 -
 src/engine/outbox/outbox-folder.vala               |  2 +-
 src/engine/rfc822/rfc822-message-data.vala         | 87 ++++++++++++++++++----
 src/engine/rfc822/rfc822-message.vala              | 79 ++++++++------------
 src/engine/rfc822/rfc822-utils.vala                | 13 +---
 test/engine/rfc822/rfc822-message-test.vala        | 14 ++++
 12 files changed, 223 insertions(+), 161 deletions(-)
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