title: objective-c memory management issue in iPhone
body: <p>i am new to iphone development, i am facing memory leak in following code</p>
  
  <pre><code>- (void)parser:(NSXMLParser *)parser foundCharacters:(NSString *)string {
  if(!currentNodeContent)
      currentNodeContent = [[[NSMutableString alloc] initWithString:string] autorelease];
  else
      [currentNodeContent appendString:string];
  }
  </code></pre>
  
  <p>i have received 100% memory leak in this code when analysing with instrument tool</p>
  
  <pre><code>currentNodeContent = [[[NSMutableString alloc] initWithString:string] autorelease];
  </code></pre>
  
  <p>Can any one suggest me the way to solve this leak</p>