1 files changed, 6 insertions, 1 deletions

diff --git a/src/doc.c b/src/doc.c
index 6dceb587fcb..0c0e62f4597 100644
--- a/src/doc.c
+++ b/src/doc.c
@@ -34,7 +34,7 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 #include "lisp.h"
 #include "buffer.h"
 
-Lisp_Object Vdoc_file_name;
+Lisp_Object Vdoc_file_name, Vdata_directory;
 
 Lisp_Object
 get_doc_string (filepos)
@@ -493,6 +493,11 @@ syms_of_doc ()
     "Name of file containing documentation strings of built-in symbols.");
   Vdoc_file_name = Qnil;
 
+  DEFVAR_LISP ("data-directory", &Vdata_directory,
+    "Directory of architecture-independent files that come with GNU Emacs,\n\
+intended for Emacs to use.");
+  Vdata_directory = Qnil;
+
   defsubr (&Sdocumentation);
   defsubr (&Sdocumentation_property);
   defsubr (&Ssnarf_documentation);