[balsa: 4/4] Merge branch 'imap-improvements' into 'master'

[Albrecht Dreß <albrecht src gnome org>]

commit 007666fdd6e05bdbebce5240e6e82bdf05b247c1
Merge: b6e1ec867 b07869a51
Author: Albrecht Dreß <albrecht dress netcologne de>
Date:   Mon Jun 14 15:29:13 2021 +0000

    Merge branch 'imap-improvements' into 'master'
    
    HTML improvements: HTTP cache, sender-dependent preferences
    
    Closes #13
    
    See merge request GNOME/balsa!42

 README                       |   3 +-
 configure.ac                 |   4 +-
 libbalsa/Makefile.am         |   2 +
 libbalsa/html-pref-db.c      | 523 +++++++++++++++++++++++++++++++++++++++++++
 libbalsa/html-pref-db.h      |  76 +++++++
 libbalsa/html.c              |  76 +++++--
 libbalsa/html.h              |   8 +-
 libbalsa/meson.build         |   2 +
 meson.build                  |   3 +-
 src/balsa-message.c          |  17 +-
 src/balsa-mime-widget-text.c |  41 +++-
 src/pref-manager.c           |  44 ++++
 src/print-gtk.c              |  13 +-
 src/save-restore.c           |   3 +
 14 files changed, 778 insertions(+), 37 deletions(-)
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