DOC: http: rename the unique-id sample and add the documentation
This patch renames the ssample fetch from "uniqueid" to "unique-id".
It also adds the documentation associated with this sample fetch.
diff --git a/doc/configuration.txt b/doc/configuration.txt
index 6b80158..9798f32 100644
--- a/doc/configuration.txt
+++ b/doc/configuration.txt
@@ -13900,6 +13900,14 @@
example, 302. It is mostly used within ACLs and integer ranges, for example,
to remove any Location header if the response is not a 3xx.
+unique-id : string
+ Returns the unique-id attached to the request. The directive
+ "unique-id-format" must be set. If it is not set, the unique-id sample fetch
+ fails. Note that the unique-id is usually used with HTTP requests, however this
+ sample fetch can be used with other protocols. Obviously, if it is used with
+ other protocols than HTTP, the unique-id-format directive must not contain
+ HTTP parts. See: unique-id-format and unique-id-header
+
url : string
This extracts the request's URL as presented in the request. A typical use is
with prefetch-capable caches, and with portals which need to aggregate