# HG changeset patch
# User Vladimir Homutov <vl@nginx.com>
# Date 1501597819 -10800
# Node ID ec34516cbd1bb2de4600fc7bd851b961d6eb6209
# Parent  632f7f467e127d748c9d8f0042f262ee67f0dcf6
DevGuide: documented macros for null variables.

diff -r 632f7f467e12 -r ec34516cbd1b xml/en/docs/dev/development_guide.xml
--- a/xml/en/docs/dev/development_guide.xml	Thu Aug 10 09:46:29 2017 +0300
+++ b/xml/en/docs/dev/development_guide.xml	Tue Aug 01 17:30:19 2017 +0300
@@ -4857,7 +4857,7 @@
 
     { ngx_string("foo_v1"), NULL, ngx_http_foo_v1_variable, 0, 0, 0 },
 
-    { ngx_null_string, NULL, NULL, 0, 0, 0 }
+      ngx_http_null_variable
 };
 
 static ngx_int_t