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I'm looking for a text editor of some kind where it's split down the middle when editing 2 separate files.

I'm trying to translate some text and it would be helpful if I could have English and its meaning on 1 side and Spanish on the other.

Is there anything like this for OS X?

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There is also Emacs where you can split a window horizontally:




or in a more complicated fashion:


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I'd recommend Sublime Text 2 or Sublime Text 3 beta. You can switch to 2 column mode from View -> Layout -> Columns: 2, or Cmd+Option+2. The app supports multiple syntax highlighting options (including markdown), but doesn't display formatted markdown.

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hmm.. i have sublime text and I guess I could use that but is there anything that will work with formatted markdown? just looking for something extremely simple – Joe Bobby Oct 31 '13 at 13:28
I guess you could use Mou with two windows side by side... – onik Oct 31 '13 at 13:36

VIM will accomplish this. The mac version is MacVim.

You can accomplish what you want by opening one file, then from the menu:

File > Split Diff with...

The output will look like this: enter image description here with differences highlighted.

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