[glib: 7/7] Merge branch 'param-speedups2' into 'main'

[Philip Withnall <pwithnall src gnome org>]

commit 321fe5d0a46f8b49b38f7c4945ce7c024706494b
Merge: aff04305c4 c72de9dd99
Author: Philip Withnall <philip tecnocode co uk>
Date:   Wed May 25 13:41:12 2022 +0000

    Merge branch 'param-speedups2' into 'main'
    
    param: Add a value_is_valid vfunc
    
    See merge request GNOME/glib!2677

 docs/reference/gobject/gobject-sections.txt |   1 +
 gobject/gobject.c                           |  59 ++--
 gobject/gparam.c                            |  45 +++
 gobject/gparam.h                            |  14 +-
 gobject/gparamspecs.c                       | 250 ++++++++++++++++-
 gobject/tests/param.c                       | 406 +++++++++++++++++++++++++++-
 6 files changed, 734 insertions(+), 41 deletions(-)
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