documented the new ngx.config.nginx_version and ngx.config.ngx_lua_version API.

README.markdown

@@ -168,6 +168,8 @@ Table of Contents
     * [ngx.timer.at](#ngxtimerat)
     * [ngx.config.debug](#ngxconfigdebug)
     * [ngx.config.prefix](#ngxconfigprefix)
+    * [ngx.config.nginx_version](#ngxconfignginx_version)
+    * [ngx.config.ngx_lua_version](#ngxconfigngx_lua_version)
     * [ndk.set_var.DIRECTIVE](#ndkset_vardirective)
     * [coroutine.create](#coroutinecreate)
     * [coroutine.resume](#coroutineresume)
@@ -5667,6 +5669,32 @@ This function was first introduced in the `0.9.2`.
 
 [Back to TOC](#table-of-contents)
 
+ngx.config.nginx_version
+------------------------
+
+**syntax:** *ver = ngx.config.nginx_version*
+
+**context:** *set_by_lua*, rewrite_by_lua*, access_by_lua*, content_by_lua*, header_filter_by_lua*, body_filter_by_lua*, log_by_lua*, ngx.timer.*, init_by_lua**
+
+This field take an integral value indicating the version number of the current Nginx core being used. For example, the version number `1.4.3` results in the Lua number 1004003.
+
+This API was first introduced in the `0.9.3` release.
+
+[Back to TOC](#table-of-contents)
+
+ngx.config.ngx_lua_version
+--------------------------
+
+**syntax:** *ver = ngx.config.ngx_lua_version*
+
+**context:** *set_by_lua*, rewrite_by_lua*, access_by_lua*, content_by_lua*, header_filter_by_lua*, body_filter_by_lua*, log_by_lua*, ngx.timer.*, init_by_lua**
+
+This field take an integral value indicating the version number of the current `ngx_lua` module being used. For example, the version number `0.9.3` results in the Lua number 9003.
+
+This API was first introduced in the `0.9.3` release.
+
+[Back to TOC](#table-of-contents)
+
 ndk.set_var.DIRECTIVE
 ---------------------
 **syntax:** *res = ndk.set_var.DIRECTIVE_NAME*

doc/HttpLuaModule.wiki

@@ -4816,6 +4816,26 @@ Returns the Nginx server "prefix" path, as determined by the <code>-p</code> com
 
 This function was first introduced in the <code>0.9.2</code>.
 
+== ngx.config.nginx_version ==
+
+'''syntax:''' ''ver = ngx.config.nginx_version''
+
+'''context:''' ''set_by_lua*, rewrite_by_lua*, access_by_lua*, content_by_lua*, header_filter_by_lua*, body_filter_by_lua*, log_by_lua*, ngx.timer.*, init_by_lua*''
+
+This field take an integral value indicating the version number of the current Nginx core being used. For example, the version number <code>1.4.3</code> results in the Lua number 1004003.
+
+This API was first introduced in the <code>0.9.3</code> release.
+
+== ngx.config.ngx_lua_version ==
+
+'''syntax:''' ''ver = ngx.config.ngx_lua_version''
+
+'''context:''' ''set_by_lua*, rewrite_by_lua*, access_by_lua*, content_by_lua*, header_filter_by_lua*, body_filter_by_lua*, log_by_lua*, ngx.timer.*, init_by_lua*''
+
+This field take an integral value indicating the version number of the current <code>ngx_lua</code> module being used. For example, the version number <code>0.9.3</code> results in the Lua number 9003.
+
+This API was first introduced in the <code>0.9.3</code> release.
+
 == ndk.set_var.DIRECTIVE ==
 '''syntax:''' ''res = ndk.set_var.DIRECTIVE_NAME''