Merge pull request #59 from jazzpi/use-texteditor-transact

Use TextEditor.transact

lib/ex.coffee

@@ -203,14 +203,13 @@ class Ex
         throw e
 
     buffer = atom.workspace.getActiveTextEditor().buffer
-    cp = buffer.history.createCheckpoint()
+    atom.workspace.getActiveTextEditor().transact ->
       for line in [range[0]..range[1]]
         buffer.scanInRange(pattern,
           [[line, 0], [line, buffer.lines[line].length]],
           ({match, matchText, range, stop, replace}) ->
             replace(replaceGroups(match[..], spl[1]))
         )
-    buffer.history.groupChangesSinceCheckpoint(cp)
 
   s: (args...) => @substitute(args...)