[gtksourceview] python3: Improve syntax highlighting

[Garrett Regier <gregier src gnome org>]

commit c43ca3cd8d02b473bf6518097bd7962d8dc0d1c8
Author: Garrett Regier <garrettregier gmail com>
Date:   Tue Sep 13 04:02:42 2016 -0700

    python3: Improve syntax highlighting
    
    This includes the same syntax highlighting
    added to Python in commit:
    ec24e9530f8cace2ab5c578eb0118d79341a2faf
    
    https://bugzilla.gnome.org/show_bug.cgi?id=771352

 data/language-specs/python3.lang |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/data/language-specs/python3.lang b/data/language-specs/python3.lang
index 7f22edc..8526154 100644
--- a/data/language-specs/python3.lang
+++ b/data/language-specs/python3.lang
@@ -159,7 +159,11 @@
 
         <context ref="python:hex"/>
 
+        <context ref="python:module-handler-from"/>
         <context ref="python:module-handler"/>
+        <context ref="python:function-definition"/>
+        <context ref="python:class-definition"/>
+        <context ref="python:decorator"/>
 
         <context ref="python:keywords"/>
         <context id="3x-only-keywords" style-ref="keyword">