[svn-r16444] Description:

Bring r16412:16440 from trunk into revise_chunks branch.

Tested on:
	FreeBSD/32 6.3(duty)
	(h5committest not required on this branch)

tools/h5diff/testfiles/h5diff_606.txt

@@ -34,7 +34,7 @@ usage: h5diff [OPTIONS] file1 file2 [obj1[obj2]]
 
  The compare criteria is:
    1) datasets: numerical array differences 2) groups: name string difference
-   3) datatypes: the return value of H5Tequal 2) links: name string difference
+   3) datatypes: the return value of H5Tequal 4) links: name string difference
    of the linked value
 
  Return exit code: