documented that keys in ngx.header.HEADER will be matched case-insentively.

README.markdown

@@ -282,12 +282,14 @@ before sending out the response headers.
     ngx.status = ngx.HTTP_CREATED
     status = ngx.status
 
-ngx.header[HEADER_NAME]
+ngx.header[HEADER]
 -----------------------
 
-Set/add/clear response headers. Underscores (_) in the header names will be replaced by dashes (-).
+Set/add/clear response headers. Underscores (_) in the header names will be replaced by dashes (-) and the header names will be matched case-insentively.
 
+    # equivalent to ngx.header["Content-Type"] = 'text/plain'
     ngx.header.content_type = 'text/plain';
+
     ngx.header["X-My-Header"] = 'blah blah';
 
 Multi-value headers can be set this way:

t/014-bugs.t

@@ -88,6 +88,7 @@ I dunno why this test is not passing. TODO'ing...
         #set $memc_value hello;
 
         memc_pass 127.0.0.1:$TEST_NGINX_MEMCACHED_PORT;
+        #echo $memc_value;
     }
     location = /echo {
         echo_location '/memc?c=get&k=foo';
@@ -96,7 +97,7 @@ I dunno why this test is not passing. TODO'ing...
     }
     location = /main {
         content_by_lua '
-            res = ngx.location.capture("/memc?c=get&k=foo")
+            res = ngx.location.capture("/memc?c=get&k=foo&v=")
             ngx.say("1: ", res.body)
 
             res = ngx.location.capture("/memc?c=set&k=foo&v=bar");
@@ -109,5 +110,5 @@ I dunno why this test is not passing. TODO'ing...
 --- request
 GET /main
 --- response_body_like: 3: bar$
---- SKIP
+--- ONLY