master updated (35cd9197fc -> 391c1289e2)

[Po Lu]

oldosfan pushed a change to branch master.

      from  35cd9197fc package.el: Fix bug#53529
       new  b944841173 Add background transparency support for GTK+Cairo
       new  391c1289e2 Some adjustments to last change


Summary of changes:
 doc/emacs/xresources.texi |  9 ++++++++
 doc/lispref/frames.texi   | 10 +++++++++
 src/frame.c               | 29 ++++++++++++++++++++++++++
 src/frame.h               |  4 ++++
 src/gtkutil.c             | 16 +++++++++++++-
 src/haikufns.c            |  7 ++++++-
 src/nsfns.m               |  3 +++
 src/pgtkfns.c             |  5 +++++
 src/w32fns.c              |  8 +++++++
 src/xfns.c                | 28 +++++++++++++++++++++++--
 src/xterm.c               | 53 ++++++++++++++++++++++++++++++++++++++---------
 11 files changed, 158 insertions(+), 14 deletions(-)