# HG changeset patch
# User Valentin Bartenev <vbart@nginx.com>
# Date 1375698603 -14400
# Node ID 31932b5464f0230d5039fafed94c33f495da35f6
# Parent  0300d97c60842352888b24495d10139454159766
Image filter: use "application/json" MIME type for JSON output.

As it is defined by RFC 4627, and allows for various browser tools like
JSONView to display JSON well-formatted.

diff --git a/src/http/modules/ngx_http_image_filter_module.c b/src/http/modules/ngx_http_image_filter_module.c
--- a/src/http/modules/ngx_http_image_filter_module.c
+++ b/src/http/modules/ngx_http_image_filter_module.c
@@ -567,7 +567,7 @@ ngx_http_image_json(ngx_http_request_t *
     ngx_http_clean_header(r);
 
     r->headers_out.status = NGX_HTTP_OK;
-    ngx_str_set(&r->headers_out.content_type, "text/plain");
+    ngx_str_set(&r->headers_out.content_type, "application/json");
     r->headers_out.content_type_lowcase = NULL;
 
     if (ctx == NULL) {