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==XCode==
<i>If you're using a Mac (or Hackintosh), you're most likely using XCode. It can be a little tricky to find the Preferences for indentation, but other than that, it isn't a pain to set up tabs.</i>
<ol>
<li>Within XCode, select Preferences from the main menu or press <b>Command-,</b>.</li>
<li>Under the tabs, you'll find a left-right scroll bar. Scroll right and select Indentation.</li>
<li>Under Tabs, check "Tab key inserts tabs, not spaces.</li>
<li>In the Tab width field, enter 2.</li>
<li>In the Indent width field, enter 2.</li>
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