[gtkmm: 2/2] Merge branch 'expression' into 'master'

[Andreas Persson <andreasp src gnome org>]

commit ed04c13f0e407a4b29feaaadf5c0e507fb2afa9b
Merge: 05f44c3d d6594f78
Author: Andreas Persson <andreasp56 outlook com>
Date:   Sun Sep 20 08:23:43 2020 +0000

    Merge branch 'expression' into 'master'
    
    Add Gtk::Expression
    
    See merge request GNOME/gtkmm!40

 .gitignore                     |   4 +
 gtk/gtkmm/meson.build          |   2 +
 gtk/src/dropdown.hg            |   6 +-
 gtk/src/expression.ccg         |  37 +++
 gtk/src/expression.hg          | 633 +++++++++++++++++++++++++++++++++++++++++
 gtk/src/expressionwatch.ccg    |  17 ++
 gtk/src/expressionwatch.hg     |  82 ++++++
 gtk/src/filelist.am            |   2 +
 gtk/src/gtk_docs_override.xml  |  32 +++
 gtk/src/gtk_extra_objects.defs |   6 +
 gtk/src/stringfilter.hg        |  12 +-
 gtk/src/stringsorter.hg        |  14 +-
 tools/m4/convert_gtk.m4        |   3 +
 13 files changed, 836 insertions(+), 14 deletions(-)
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