--- a/contrib/editmergeps.ps1	Sat Jan 09 23:24:52 2016 +0900
+++ b/contrib/editmergeps.ps1	Fri May 19 17:00:55 2017 -0700
@@ -46,7 +46,7 @@
   # or the user stops editing the file
   while (($firstline -ne $nil) -and ($firstline -ne $previousline))
   {
-    & "$ed" "+$firstline" "$file"
+    Start-Process -Wait $ed $linearg,$file
     $previousline = $firstline
     $lines = Get-Lines
     $firstline = if ($lines.Length -gt 0) { $lines[0] } else { $nil }