Subject: [PATCH] doc: Document unspecified?.

From: Arun Isaac <[email-masked]>
Date: Thu, 18 Jan 2018 11:50:29 +0530

* doc/ref/data-rep.texi: Document unspecified?.
---
 doc/ref/data-rep.texi | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/doc/ref/data-rep.texi b/doc/ref/data-rep.texi
index bb7f74afe..f179a3560 100644
--- a/doc/ref/data-rep.texi
+++ b/doc/ref/data-rep.texi
@@ -470,6 +470,9 @@ check to see if @var{x} is @code{SCM_UNBOUND}.  History will not be kind
 to us.
 @end deftypefn
 
+@deffn {Scheme Procedure} unspecified? x
+Return @code{#t} if @var{x} is unspecified, else @code{#f}.
+@end deffn
 
 @node Non-immediate objects
 @subsubsection Non-immediate objects
-- 
2.15.1