title: How change the file codification in XCode 4
body: <p>I am having bad times with my CVS and XCode 4.0.2. Are there a easy way to change the codification of all files? I have to use <code>UTF8</code>, because I use portuguese accents. </p>
  
  <p>If I enter a non ASCII character like <code>¹²³</code> (<code>option</code> + (1, 2, 3)), the XCode show the screen: <code>Encoding Conflict</code> than I can convert to UTF8.</p>
  
  <p>It change in my <code>(program name).xcodeproj/project.pbxproj</code> the config line of this file from</p>
  
  <pre><code>{isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = myfile.pch; sourceTree = "&lt;group&gt;"; };
  </code></pre>
  
  <p>to</p>
  
  <pre><code>{isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = myfile.pch; sourceTree = "&lt;group&gt;"; };
  </code></pre>
  
  <p>(Look the change of <code>fileEncoding = 4;</code>)</p>
  
  <p>My question is: How I change all files to this encoding (or only one encoding)?</p>