Update AvalonEdit.nuspec for 4.3 release.

src/AddIns/Misc/PackageManagement/Packages/AvalonEdit.Sample/AvalonEdit.Sample.nuspec

@@ -2,7 +2,7 @@
 <package xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
   <metadata xmlns="http://schemas.microsoft.com/packaging/2010/07/nuspec.xsd">
     <id>AvalonEdit.Sample</id>
-    <version>4.2.0.8783</version>
+    <version>4.3.0.9390</version>
     <authors>Daniel Grunwald</authors>
     <owners>SharpDevelop</owners>
     <licenseUrl>http://www.opensource.org/licenses/mit-license.php</licenseUrl>
@@ -16,7 +16,7 @@ StartupUri="/Samples/AvalonEdit/Window1.xaml"</description>
     <summary>Sample code for AvalonEdit the WPF-based text editor used in SharpDevelop 4.0.</summary>
     <language>en-US</language>
     <dependencies>
-      <dependency id="AvalonEdit" version="4.2.0.8783" />
+      <dependency id="AvalonEdit" version="4.3.0.9390" />
     </dependencies>
 		<frameworkAssemblies>
 			<frameworkAssembly assemblyName="System.Windows.Forms" />

src/AddIns/Misc/PackageManagement/Packages/AvalonEdit/AvalonEdit.nuspec

@@ -11,7 +11,7 @@
 		<requireLicenseAcceptance>true</requireLicenseAcceptance>
 		<description>AvalonEdit is the WPF-based text editor used in SharpDevelop. There are two builds of AvalonEdit included in this package. One that targets .NET 4.0 and  one that targets .NET 3.5.</description>
 		<summary>AvalonEdit is the WPF-based text editor used in SharpDevelop</summary>
-		<releaseNotes>AvalonEdit 4.3 adds support for input method editors (IME); and adds a built-in search feature (disabled by default).</releaseNotes>
+		<releaseNotes>AvalonEdit 4.3 adds support for input method editors (IME); and fixes a major bug that sometimes caused "InvalidOperationException: Trying to build visual line from collapsed line" when updating existing foldings.</releaseNotes>
 		<language>en-US</language>
 		<tags>WPF Text Editor SharpDevelop AvalonEdit</tags>
   </metadata>