Add a cautionary note telling users where the "standard" data-collector names can be found.

Darien Hager · weaverryan · commit 216ae511e331 · 2015-05-03T17:37:09.000-04:00
diff --git a/cookbook/profiler/data_collector.rst b/cookbook/profiler/data_collector.rst
@@ -70,6 +70,12 @@ populate the ``$this->data`` property (it takes care of serializing the
             return 'example_memory';
         }
     }
+    
+.. caution::
+
+    The string you use with `getName()` should not collide with standard data-
+    collectors, such as those within the 
+    `Symfony\Component\HttpKernel\DataCollector\` package.
 
 .. _data_collector_tag:
 

Original file line number	Diff line number	Diff line change
@@ -70,6 +70,12 @@ populate the ``$this->data`` property (it takes care of serializing the
`70`	`70`	`return 'example_memory';`
`71`	`71`	`}`
`72`	`72`	`}`
	`73`	`+`
	`74`	`+.. caution::`
	`75`	`+`
	`76`	+ The string you use with `getName()` should not collide with standard data-
	`77`	`+ collectors, such as those within the`
	`78`	+ `Symfony\Component\HttpKernel\DataCollector\` package.
`73`	`79`
`74`	`80`	`.. _data_collector_tag:`
`75`	`81`