contrib/editmergeps.ps1

--- a/contrib/editmergeps.ps1	Tue May 30 05:56:48 2017 -0700
+++ b/contrib/editmergeps.ps1	Tue May 30 06:02:31 2017 -0700
@@ -56,7 +56,7 @@
         $linearg = "+$firstline"
     }
 
-    Start-Process -Wait $ed $linearg,$file
+    Start-Process -Wait -NoNewWindow $ed $linearg,$file
     $previousline = $firstline
     $lines = Get-Lines
     $firstline = if ($lines.Length -gt 0) { $lines[0] } else { $nil }