nginx 0.3.39 *) Feature: the "uninitialized_variable_warn" directive; the logging level of the "uninitialized variable" message was lowered from "alert" to "warn". *) Feature: the "override_charset" directive. *) Change: now if the unknown variable is used in the "echo" and "if expr='$name'" SSI-commands, then the "unknown variable" message is not logged. *) Bugfix: the active connection counter increased on the exceeding of the connection limit specified by the "worker_connections" directive; bug appeared in 0.2.0. *) Bugfix: the limit rate might not work on some condition; bug appeared in 0.3.38.

--- a/src/http/ngx_http_variables.h
+++ b/src/http/ngx_http_variables.h
@@ -56,7 +56,7 @@ ngx_http_variable_value_t *ngx_http_get_
     ngx_uint_t index);
 
 ngx_http_variable_value_t *ngx_http_get_variable(ngx_http_request_t *r,
-    ngx_str_t *name, ngx_uint_t key);
+    ngx_str_t *name, ngx_uint_t key, ngx_uint_t nowarn);
 
 #define ngx_http_clear_variable(r, index) r->variables0[index].text.data = NULL;