src/share/classes/java/lang/Runtime.java

*** 542,551 ****
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       * non-null strings.
       *
       * <p>If <tt>envp</tt> is <tt>null</tt>, the subprocess inherits the
       * environment settings of the current process.
       *
+      * <p>A minimal set of system dependent environment variables may 
+      * be required to start a process on some operating systems. 
+      * As a result, the subprocess may inherit additional environment variable 
+      * settings beyond those in the specified environment.
+      *
       * <p>{@link ProcessBuilder#start()} is now the preferred way to
       * start a process with a modified environment.
       *
       * <p>The working directory of the new subprocess is specified by <tt>dir</tt>.
       * If <tt>dir</tt> is <tt>null</tt>, the subprocess inherits the