[gtk/gtk-3-24: 2/2] Merge branch 'im-context-work-for-3' into 'gtk-3-24'

[Matthias Clasen <matthiasc src gnome org>]

commit e3c03e98f924637548caf5843291f20256d716e9
Merge: a0818f5bae 85d34932f3
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Feb 9 02:00:00 2021 +0000

    Merge branch 'im-context-work-for-3' into 'gtk-3-24'
    
    imcontext: Backport compose sequence improvements
    
    See merge request GNOME/gtk!3172

 gtk/gtkcomposetable.c           |  823 +++++++++++++++++++++++---------
 gtk/gtkcomposetable.h           |   45 +-
 gtk/gtkimcontextsimple.c        | 1007 ++++++++++-----------------------------
 gtk/gtkimcontextsimpleprivate.h |   42 --
 4 files changed, 900 insertions(+), 1017 deletions(-)
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