COMMIT [Charles Oliver Nutter] Add a few Kernel#exec and Process.spawn specs to pick up 1.9 env var logic.	http://github.com/rubyspec/rubyspec/commit/39fde61589a94ee300c6929326706a196f198df0
COMMIT [NARUSE, Yui] Avoid spec collision between language/for and core/module.	http://github.com/rubyspec/rubyspec/commit/4e69b46c4026487c46484ef7f0a6ed3ff385e6df

===================================================================
+++ 20110623T031313Z
@@ 14692 @@
 Kernel#exec
 - is a private method
 - raises a SystemCallError if cmd cannot execute
+- runs the specified command, replacing current process
 
 Kernel.exec
 - needs to be reviewed for spec completeness
@@ 36104 @@
 Kernel#exec
 - is a private method
 - raises a SystemCallError if cmd cannot execute
+- runs the specified command, replacing current process
 
 Kernel.exec
 - needs to be reviewed for spec completeness