Added verbiage warning against recursive globs.
@@ -503,6 +503,7 @@ sh_test(
<h3 id="recursive_glob_example">Recursive Glob Examples</h3>
+
<p>Make the test depend on all txt files in the testdata directory and any
of its subdirectories (and their subdirectories, and so on).
Subdirectories containing a BUILD file are ignored. (See limitations
