[gtksourceview] docs: add warnings: file loading and saving classes are unmaintained

[Sébastien Wilmet <swilmet src gnome org>]

commit 63f71669e72c4b6eadd8034a9a1c856b742933e9
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Fri Oct 27 11:50:06 2017 +0200

    docs: add warnings: file loading and saving classes are unmaintained

 gtksourceview/gtksourceencoding.c   |    6 ++++++
 gtksourceview/gtksourcefile.c       |    6 ++++++
 gtksourceview/gtksourcefileloader.c |    7 +++++++
 gtksourceview/gtksourcefilesaver.c  |    6 ++++++
 4 files changed, 25 insertions(+), 0 deletions(-)
---
diff --git a/gtksourceview/gtksourceencoding.c b/gtksourceview/gtksourceencoding.c
index 057442d..6bc89ed 100644
--- a/gtksourceview/gtksourceencoding.c
+++ b/gtksourceview/gtksourceencoding.c
@@ -36,6 +36,12 @@
  * The #GtkSourceEncoding boxed type represents a character encoding. It is used
  * for example by #GtkSourceFile. Note that the text in GTK+ widgets is always
  * encoded in UTF-8.
+ *
+ * <warning>
+ * This class is no longer maintained, patches are not accepted. There is a
+ * better implementation in the
+ * <ulink url="https://wiki.gnome.org/Projects/Tepl";>Tepl</ulink> library.
+ * </warning>
  */
 
 struct _GtkSourceEncoding
diff --git a/gtksourceview/gtksourcefile.c b/gtksourceview/gtksourcefile.c
index 8d951dd..16d6096 100644
--- a/gtksourceview/gtksourcefile.c
+++ b/gtksourceview/gtksourcefile.c
@@ -39,6 +39,12 @@
  * properties). On a successful load or save operation, the #GtkSourceFile
  * properties are updated. If an operation fails, the #GtkSourceFile properties
  * have still the previous valid values.
+ *
+ * <warning>
+ * This class is no longer maintained, patches are not accepted. There is a
+ * better implementation in the
+ * <ulink url="https://wiki.gnome.org/Projects/Tepl";>Tepl</ulink> library.
+ * </warning>
  */
 
 enum
diff --git a/gtksourceview/gtksourcefileloader.c b/gtksourceview/gtksourcefileloader.c
index 2f3ddfe..381caec 100644
--- a/gtksourceview/gtksourcefileloader.c
+++ b/gtksourceview/gtksourcefileloader.c
@@ -58,6 +58,13 @@
  * saved somewhere (for example if you load from stdin), then you should
  * probably call gtk_text_buffer_set_modified() with %TRUE after calling
  * gtk_source_file_loader_load_finish().
+ *
+ * <warning>
+ * This class is no longer maintained, patches are not accepted. There is work
+ * in progress in the
+ * <ulink url="https://wiki.gnome.org/Projects/Tepl";>Tepl</ulink> library to
+ * have a better implementation.
+ * </warning>
  */
 
 #if 0
diff --git a/gtksourceview/gtksourcefilesaver.c b/gtksourceview/gtksourcefilesaver.c
index 05b5a97..600efc6 100644
--- a/gtksourceview/gtksourcefilesaver.c
+++ b/gtksourceview/gtksourcefilesaver.c
@@ -46,6 +46,12 @@
  * A file saver should be used only for one save operation, including errors
  * handling. If an error occurs, you can reconfigure the saver and relaunch the
  * operation with gtk_source_file_saver_save_async().
+ *
+ * <warning>
+ * This class is no longer maintained, patches are not accepted. There is a
+ * better implementation in the
+ * <ulink url="https://wiki.gnome.org/Projects/Tepl";>Tepl</ulink> library.
+ * </warning>
  */
 
 /* The code has been written initially in gedit (GeditDocumentSaver).