Document 'nacl' value for 'system-type'

* doc/lispref/os.texi (System Environment): Document the 'nacl'
value of 'system-type'.

1 files changed, 4 insertions, 2 deletions

diff --git a/etc/NEWS b/etc/NEWS
index ad7d81703e0..1b44812f36a 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -181,8 +181,6 @@ for use in Emacs bug reports.
 hiding character but the default `.' can be used by let-binding the
 variable `read-hide-char'.
 
-** New possible value for `system-type': nacl.
-
 ** Emacs can now load shared/dynamic libraries (modules).
 A dynamic Emacs module is a shared library that provides additional
 functionality for use in Emacs Lisp programs, just like a package
@@ -1320,6 +1318,10 @@ standard-display-table, and encode output using locale-coding-system.
 +++
 ** New var `truncate-string-ellipsis' to choose how to indicate truncation.
 
++++
+** New possible value for `system-type': `nacl'.
+This is used by Google's Native Client (NaCl).
+
 ** Miscellaneous name change
 
 For consistency with the usual Emacs spelling, the Lisp variable