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Those property features don't seem to be in use anywhere.
They are redundant since the docs cover the same information
and more. They also created unnecessary translation work.

Closes #4904

Unref private spool_io of GtkPrintJob before setting it to a new one
in gtk_print_job_set_source_file() and gtk_print_job_set_source_fd()
to prevent a leak.

Fixes: #4627

Replace leftover gtk-doc syntax (#Type) with backquotes.

Remove a boatload of "or %NULL" from nullable parameters
and return values. gi-docgen generates suitable text from
the annotation that we don't need to duplicate.

This adds a few missing nullable annotations too.

allow-none has been deprecated for a long time
already. Instead use optional and nullable everywhere.

Follow the naming convention for private headers.

No need to subclass this.

Name this header gtkprinterprivate.h, following
our convention for private headers.

Instead of using the INCLUDE directive inside the sections file, we can
specify the default C include in the gtkdoc-mkdb arguments, and override
it inside the C sources that need it.

Remove all the old 2.x and 3.x version annotations.
GTK+ 4 is a new start, and from the perspective of a
GTK+ 4 developer all these APIs have been around since
the beginning.

Add a documentation annotation saying that set_page_ranges transfers
ownership of the GtkPageRange array.
Add a g_free() call to fix a memory leak when set_page_ranges is
used repeatedly.

https://bugzilla.gnome.org/show_bug.cgi?id=780234

This will be useful for portalized print support.

https://bugzilla.gnome.org/show_bug.cgi?id=768499

Introduce a GTK_DEBUG_CHECK() macro and use it to check for
GTK_DEBUG flags everywhere. Also guard all such places by

Use the newer constructed instead, which has a fast path in GObject.

Marek Kašík authored Mar 14, 2014 and Matthias Clasen committed Mar 17, 2014

Don't crash when /tmp is not writable when printing to file.
Show that getting of printer details failed for CUPS printers.

https://bugzilla.gnome.org/show_bug.cgi?id=693200

Instead of Return value:

https://bugzilla.gnome.org/show_bug.cgi?id=702996

Carlos Garcia Campos authored Oct 03, 2012 and Carlos Garcia Campos committed Apr 14, 2013

If the GtkPrintJob is freed too early when the surface has been created
but the job hasn't been sent to the printer, it's possible that the
file print backend tries to write to the io chaneel when it is already
closed. This produces runtime critical warnings:

GLib-CRITICAL **: g_io_channel_write_chars: assertion `channel->is_writeable' failed

https://bugzilla.gnome.org/show_bug.cgi?id=685420

Also add accessors for these members, and use them in print backends.

Preferrably should be made just into a local variable for libgtk like
_gdk_debug_flags for libgdk. But for now used by
gtk/tests/textbuffer.c and modules/printbackends/cups/gtkprintbackendcups.c.

https://bugzilla.gnome.org/show_bug.cgi?id=623845

This commit was created using a script that searched for all docstrings
containing a parameter and the string 'or %NULL'.
Gdk backends and demos excluded as they are not part of a public API

https://bugzilla.gnome.org/show_bug.cgi?id=610474

This commit was created using a script that searched for all docstrings
containing a parameter and the string 'or %NULL'.
Gdk backends and demos excluded as they are not part of a public API

https://bugzilla.gnome.org/show_bug.cgi?id=610474