[gtkmm-documentation/gtkmm-3-24: 2/2] Merge branch 'wip/dboles/make_managed-3' into 'gtkmm-3-24'

[Kjell Ahlstedt <kjellahl src gnome org>]

commit bf4b9101036812d70fcfb6a2e80129329247f18c
Merge: d2c7a50 3d0474b
Author: Kjell Ahlstedt <kjellahlstedt gmail com>
Date:   Thu Nov 8 15:21:12 2018 +0000

    Merge branch 'wip/dboles/make_managed-3' into 'gtkmm-3-24'
    
    Document the new make_managed() & prefer to use it [gtkmm-3-24]
    
    See merge request GNOME/gtkmm-documentation!1

 docs/tutorial/C/index-in.docbook | 80 ++++++++++++++++++++++++++++------------
 1 file changed, 57 insertions(+), 23 deletions(-)
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