docs: Fix links to symbols outside the allowed namsepace

Use markdown links for anything that the docs don't depend upon,
like gtk, pixbuf, etc

docs/reference/glib/datalist-and-dataset.md

@@ -14,7 +14,7 @@ The [type@GLib.Quark] methods are quicker, since the strings have to be
 converted to [type@GLib.Quark]s anyway.
 
 Data lists are used for associating arbitrary data with
-[class@GObject.Object]s, using [method@GObject.Object.set_data] and related
+[GObject](../gobject/class.Object.html)s, using [`g_object_set_data()`](../gobject/method.Object.set_data.html) and related
 functions. The data is stored inside opaque [type@GLib.Data] elements.
 
 To create a datalist, use [func@GLib.datalist_init].

docs/reference/glib/file-utils.md

@@ -6,7 +6,7 @@ SPDX-FileCopyrightText: 2012 Dan Winship
 
 Do not use these APIs unless you are porting a POSIX application to Windows.
 A more high-level file access API is provided as GIO — see the documentation
-for [iface@Gio.File].
+for [GFile](../gio/iface.File.html).
 
 ## POSIX File Wrappers
 

docs/reference/glib/spawn.md

@@ -15,7 +15,7 @@ and asynchronous variants ([func@GLib.spawn_async],
 complete shell-like command line ([func@GLib.spawn_command_line_sync],
 [func@GLib.spawn_command_line_async]).
 
-See [class@Gio.Subprocess] in GIO for a higher-level API that provides
+See [GSubprocess](../gio/class.Subprocess.html) in GIO for a higher-level API that provides
 stream interfaces for communication with child processes.
 
 An example of using [func@GLib.spawn_async_with_pipes]:

docs/reference/glib/types.md

@@ -68,8 +68,8 @@ An untyped pointer, exactly equivalent to `void *`.
 
 The standard C `void *` type should usually be preferred in
 new code, but `gpointer` can be used in contexts where a type name
-must be a single word, such as in the [method@GObject.Type.name] of
-[const@GObject.TYPE_POINTER] or when generating a family of function names for
+must be a single word, such as in the `GType` name of
+`G_TYPE_POINTER` or when generating a family of function names for
 multiple types using macros.
 
 ### `gconstpointer`
@@ -98,8 +98,8 @@ Equivalent to the standard C `unsigned char` type.
 
 The standard C `unsigned char` type should usually be preferred in
 new code, but `guchar` can be used in contexts where a type name
-must be a single word, such as in the [method@GObject.Type.name] of
-[const@GObject.TYPE_UCHAR] or when generating a family of function names for
+must be a single word, such as in the `GType` name of
+`G_TYPE_UCHAR` or when generating a family of function names for
 multiple types using macros.
 
 ## Naturally Sized Integers
@@ -135,8 +135,8 @@ or equivalently `0` to `G_MAXUINT`.
 
 The standard C `unsigned int` type should usually be preferred in
 new code, but `guint` can be used in contexts where a type name
-must be a single word, such as in the [method@GObject.Type.name] of
-[const@GObject.TYPE_UINT] or when generating a family of function names for
+must be a single word, such as in the `GType` name of
+`G_TYPE_UINT` or when generating a family of function names for
 multiple types using macros.
 
 `G_MAXUINT`
@@ -216,8 +216,8 @@ Values of this type can range from `0` to `G_MAXULONG`.
 
 The standard C `unsigned long` type should usually be preferred in
 new code, but `gulong` can be used in contexts where a type name
-must be a single word, such as in the [method@GObject.Type.name] of
-[const@GObject.TYPE_ULONG] or when generating a family of function names for
+must be a single word, such as in the `GType` name of
+`G_TYPE_ULONG` or when generating a family of function names for
 multiple types using macros.
 
 `G_MAXULONG`

gio/gapplicationcommandline.c

@@ -55,7 +55,7 @@
  * commandline to this process).
  *
  * The `GApplicationCommandLine` object can provide the @argc and @argv
- * parameters for use with the [struct@Glib.OptionContext] command-line parsing API,
+ * parameters for use with the [struct@GLib.OptionContext] command-line parsing API,
  * with the [method@Gio.ApplicationCommandLine.get_arguments] function. See
  * [gapplication-example-cmdline3.c][gapplication-example-cmdline3]
  * for an example.

gio/gdatagrambased.c

@@ -62,7 +62,7 @@
  * `G_IO_ERROR_TIMED_OUT` if no progress was made. To know when a call would
  * successfully run you can call [method@Gio.DatagramBased.condition_check] or
  * [method@Gio.DatagramBased.condition_wait]. You can also use
- * [method@Gio.DatagramBased.create_source] and attach it to a [struct@Glib.MainContext]
+ * [method@Gio.DatagramBased.create_source] and attach it to a [struct@GLib.MainContext]
  * to get callbacks when I/O is possible.
  *
  * When running a non-blocking operation applications should always be able to

gio/gfileinputstream.c

@@ -42,8 +42,8 @@
  * stream to jump to arbitrary positions in the file, provided the 
  * filesystem of the file allows it. To find the position of a file
  * input stream, use [method@Gio.Seekable.tell]. To find out if a file input
- * stream supports seeking, use [iface@Gio.Seekable.can_seek].
- * To position a file input stream, use [iface@Gio.Seekable.seek].
+ * stream supports seeking, use [vfunc@Gio.Seekable.can_seek].
+ * To position a file input stream, use [vfunc@Gio.Seekable.seek].
  **/
 
 static void       g_file_input_stream_seekable_iface_init    (GSeekableIface       *iface);

gio/gicon.c

@@ -63,7 +63,7 @@
  * be prepared to handle at least the three following cases:
  * [iface@Gio.LoadableIcon], [class@Gio.ThemedIcon] and [class@Gio.EmblemedIcon].
  * It may also make sense to have fast-paths for other cases (like handling
- * [class@GdkPixbuf.Pixbuf] directly, for example) but all compliant `GIcon`
+ * [GdkPixbuf](https://docs.gtk.org/gdk-pixbuf/class.Pixbuf.html) directly, for example) but all compliant `GIcon`
  * implementations outside of GIO must implement [iface@Gio.LoadableIcon].
  *
  * If your application or library provides one or more `GIcon`

gio/gmenumodel.c

@@ -103,7 +103,7 @@
  * identifies an action in an action group. Which action group(s) provide
  * actions depends on the context in which the menu model is used.
  * E.g. when the model is exported as the application menu of a
- * [class@Gtk.Application], actions can be application-wide or window-specific
+ * [GtkApplication](https://docs.gtk.org/gtk4/class.Application.html), actions can be application-wide or window-specific
  * (and thus come from two different action groups). By convention, the
  * application-wide actions have names that start with `app.`, while the
  * names of window-specific actions start with `win.`.

gio/gmountoperation.c

@@ -45,7 +45,7 @@
  *
  * Users should instantiate a subclass of this that implements all the
  * various callbacks to show the required dialogs, such as
- * [class@Gtk.MountOperation]. If no user interaction is desired (for example
+ * [GtkMountOperation](https://docs.gtk.org/gtk4/class.MountOperation.html). If no user interaction is desired (for example
  * when automounting filesystems at login time), usually `NULL` can be
  * passed, see each method taking a `GMountOperation` for details.
  *

gio/gpropertyaction.c

@@ -65,18 +65,18 @@
  * in sync with the property value — its state is the property value.
  *
  * For example, it might be useful to create a [iface@Gio.Action] corresponding
- * to the `visible-child-name` property of a [class@Gtk.Stack] so that the
+ * to the `visible-child-name` property of a [GtkStack](https://docs.gtk.org/gtk4/class.Stack.html) so that the
  * current page can be switched from a menu.  The active radio indication in the
  * menu is then directly determined from the active page of the
- * [class@Gtk.Stack].
+ * `GtkStack`.
  *
  * An anti-example would be binding the `active-id` property on a
- * [class@Gtk.ComboBox].  This is because the state of the combobox itself is
+ * [GtkComboBox](https://docs.gtk.org/gtk4/class.ComboBox.html).  This is because the state of the combo box itself is
  * probably uninteresting and is actually being used to control
  * something else.
  *
  * Another anti-example would be to bind to the `visible-child-name`
- * property of a [class@Gtk.Stack] if this value is actually stored in
+ * property of a [GtkStack](https://docs.gtk.org/gtk4/class.Stack.html) if this value is actually stored in
  * [class@Gio.Settings].  In that case, the real source of the value is
  * [class@Gio.Settings].  If you want a [iface@Gio.Action] to control a setting
  * stored in [class@Gio.Settings], see [method@Gio.Settings.create_action]

gio/gresource.c

@@ -52,7 +52,7 @@ G_DEFINE_BOXED_TYPE (GResource, g_resource, g_resource_ref, g_resource_unref)
  *
  * Applications and libraries often contain binary or textual data that is
  * really part of the application, rather than user data. For instance
- * [class@Gtk.Builder] `.ui` files, splashscreen images, [class@Gio.Menu] markup
+ * [GtkBuilder](https://docs.gtk.org/gtk4/class.Builder.html) `.ui` files, splashscreen images, [class@Gio.Menu] markup
  * XML, CSS files, icons, etc. These are often shipped as files in
  * `$datadir/appname`, or manually included as literal strings in the code.
  *
@@ -82,7 +82,7 @@ G_DEFINE_BOXED_TYPE (GResource, g_resource, g_resource_ref, g_resource_unref)
  *    the preprocessing step is skipped.
  *
  *  - `to-pixdata` (deprecated since gdk-pixbuf 2.32) which will use the
- *    `gdk-pixbuf-pixdata` command to convert images to the [class@Gdk.Pixdata]
+ *    `gdk-pixbuf-pixdata` command to convert images to the [GdkPixdata](https://docs.gtk.org/gdk-pixbuf/class.Pixdata.html)
  *    format, which allows you to create pixbufs directly using the data inside
  *    the resource file, rather than an (uncompressed) copy of it. For this, the
  *    `gdk-pixbuf-pixdata` program must be in the `PATH`, or the
@@ -155,7 +155,7 @@ G_DEFINE_BOXED_TYPE (GResource, g_resource, g_resource_ref, g_resource_unref)
  * also use URIs like `resource:///org/gtk/Example/data/splashscreen.png` with
  * [iface@Gio.File] to access the resource data.
  *
- * Some higher-level APIs, such as [class@Gtk.Application], will automatically
+ * Some higher-level APIs, such as [GtkApplication](https://docs.gtk.org/gtk4/class.Application.html), will automatically
  * load resources from certain well-known paths in the resource namespace as a
  * convenience. See the documentation for those APIs for details.
  *

gio/gsimpleaction.c

@@ -32,8 +32,6 @@
  * A `GSimpleAction` is the obvious simple implementation of the
  * [iface@Gio.Action] interface. This is the easiest way to create an action for
  * purposes of adding it to a [class@Gio.SimpleActionGroup].
- *
- * See also [class@Gtk.Action].
  */
 
 struct _GSimpleAction

glib/gvariant.c

@@ -48,7 +48,7 @@
  *
  * `GVariant` is useful whenever data needs to be serialized, for example when
  * sending method parameters in D-Bus, or when saving settings using
- * [class@Gio.Settings].
+ * [GSettings](../gio/class.Settings.html).
  *
  * When creating a new `GVariant`, you pass the data you want to store in it
  * along with a string representing the type of data you wish to pass to it.
@@ -93,7 +93,7 @@
  * `GVariant` instances can be sent over D-Bus.  See [type@GLib.VariantType] for
  * exceptions.  (However, `GVariant`’s serialization format is not the same
  * as the serialization format of a D-Bus message body: use
- * [class@Gio.DBusMessage], in the GIO library, for those.)
+ * [GDBusMessage](../gio/class.DBusMessage.html), in the GIO library, for those.)
  *
  * For space-efficiency, the `GVariant` serialization format does not
  * automatically include the variant’s length, type or endianness,

glib/gvarianttype.c

@@ -88,10 +88,9 @@
  * This is similar to how instances of abstract classes may not
  * directly exist in other type systems, but instances of their
  * non-abstract subtypes may.  For example, in GTK, no object that has
- * the type of [class@Gtk.Widget] can exist (since [class@Gtk.Widget] is an
- * abstract class), but a [class@Gtk.Window] can certainly be instantiated, and
- * you would say that the [class@Gtk.Window] is a [class@Gtk.Widget] (since
- * [class@Gtk.Window] is a subclass of [class@Gtk.Widget]).
+ * the type of [GtkWidget](https://docs.gtk.org/gtk4/class.Widget.html) can exist (since `GtkWidget` is an
+ * abstract class), but a [GtkWindow](https://docs.gtk.org/gtk4/class.Window.html) can certainly be instantiated, and
+ * you would say that a `GtkWidget` is a `GtkWidget` (since `GtkWidget` is a subclass of `GtkWidget`).
  *
  * Two types may not be compared by value; use [method@GLib.VariantType.equal]
  * or [method@GLib.VariantType.is_subtype_of]  May be copied using
@@ -119,7 +118,7 @@
  * `a(aa(ui)(qna{ya(yd)}))`. In order to not hit memory limits,
  * [type@GLib.Variant] imposes a limit on recursion depth of 65 nested
  * containers. This is the limit in the D-Bus specification (64) plus one to
- * allow a [class@Gio.DBusMessage] to be nested in a top-level tuple.
+ * allow a [GDBusMessage](../gio/class.DBusMessage.html) to be nested in a top-level tuple.
  *
  * The meaning of each of the characters is as follows:
  *