DOC: mention the new HTTP 307 and 308 redirect statues
diff --git a/doc/configuration.txt b/doc/configuration.txt
index 5254527..805a7eb 100644
--- a/doc/configuration.txt
+++ b/doc/configuration.txt
@@ -317,6 +317,8 @@
301 when performing a redirection, depending on the configured code
302 when performing a redirection, depending on the configured code
303 when performing a redirection, depending on the configured code
+ 307 when performing a redirection, depending on the configured code
+ 308 when performing a redirection, depending on the configured code
400 for an invalid or too large request
401 when an authentication is required to perform the action (when
accessing the stats page)
@@ -4591,12 +4593,14 @@
HTTPS.
<code> The code is optional. It indicates which type of HTTP redirection
- is desired. Only codes 301, 302 and 303 are supported, and 302 is
- used if no code is specified. 301 means "Moved permanently", and
- a browser may cache the Location. 302 means "Moved permanently"
- and means that the browser should not cache the redirection. 303
- is equivalent to 302 except that the browser will fetch the
- location with a GET method.
+ is desired. Only codes 301, 302, 303, 307 and 308 are supported,
+ with 302 used by default if no code is specified. 301 means
+ "Moved permanently", and a browser may cache the Location. 302
+ means "Moved permanently" and means that the browser should not
+ cache the redirection. 303 is equivalent to 302 except that the
+ browser will fetch the location with a GET method. 307 is just
+ like 302 but makes it clear that the same method must be reused.
+ Likewise, 308 replaces 301 if the same method must be used.
<option> There are several options which can be specified to adjust the
expected behaviour of a redirection :