[gtksourceview] Release 3.99.3

[Sébastien Wilmet <swilmet src gnome org>]

commit eede0fab9be0311d41292e9697d32b9c101b54fa
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sun Feb 26 10:04:36 2017 +0100

    Release 3.99.3

 NEWS |   17 +++++++++++++++++
 1 files changed, 17 insertions(+), 0 deletions(-)
---
diff --git a/NEWS b/NEWS
index caba48f..4f1be73 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,20 @@
+News in 3.99.3
+--------------
+
+This is an intermediate version towards GtkSourceView 4.0. GtkSourceView 4.0
+will still depend on GTK+ 3, but the release date is not yet determined. See
+the roadmap for more details:
+https://wiki.gnome.org/Projects/GtkSourceView/RoadMap
+
+* Bug fix in GtkSourceGutterRendererPixbuf.
+* Fixes for bugs found by Coverity.
+* Build fixes on MS Windows.
+* New syntax highlighting definition files for: ABNF, HAXE and Django template.
+* Improvements to the syntax highlighting of: Meson, CSS, ini, Rust and
+  JavaScript.
+* Improvements to the build system.
+* Translation updates.
+
 News in 3.99.2
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