From 42dfb3ae1582a361954588a6c8ef04aded0961ba Mon Sep 17 00:00:00 2001
From: danwalmsley <dan@walms.co.uk>
Date: Sun, 16 Jul 2017 11:21:52 +0100
Subject: [PATCH 1/2] allow retrieval of snippet insertion context.

---
 src/AvaloniaEdit/Snippets/Snippet.cs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/AvaloniaEdit/Snippets/Snippet.cs b/src/AvaloniaEdit/Snippets/Snippet.cs
index 3823c761..31c6af2d 100644
--- a/src/AvaloniaEdit/Snippets/Snippet.cs
+++ b/src/AvaloniaEdit/Snippets/Snippet.cs
@@ -30,7 +30,7 @@ public class Snippet : SnippetContainerElement
         /// <summary>
         /// Inserts the snippet into the text area.
         /// </summary>
-        public void Insert(TextArea textArea)
+        public InsertionContext Insert(TextArea textArea)
         {
             if (textArea == null)
                 throw new ArgumentNullException(nameof(textArea));
@@ -53,6 +53,8 @@ public void Insert(TextArea textArea)
                 Insert(context);
                 context.RaiseInsertionCompleted(EventArgs.Empty);
             }
+
+            return context;
         }
     }
 }

From 4439b0fb0f1f0c82122969b58eb89bb7b6a10636 Mon Sep 17 00:00:00 2001
From: danwalmsley <dan@walms.co.uk>
Date: Sun, 16 Jul 2017 12:11:13 +0100
Subject: [PATCH 2/2] unsubscribe snippet text changed events.

---
 src/AvaloniaEdit/Snippets/SnippetBoundElement.cs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/AvaloniaEdit/Snippets/SnippetBoundElement.cs b/src/AvaloniaEdit/Snippets/SnippetBoundElement.cs
index 694917cf..6812a8b4 100644
--- a/src/AvaloniaEdit/Snippets/SnippetBoundElement.cs
+++ b/src/AvaloniaEdit/Snippets/SnippetBoundElement.cs
@@ -123,6 +123,7 @@ private void targetElement_TextChanged(object sender, EventArgs e)
 
         public void Deactivate(SnippetEventArgs e)
         {
+            TargetElement.TextChanged -= targetElement_TextChanged;
         }
 
         public bool IsEditable => false;