DOC: add documentation for prio_class and prio_offset sample fetches.
This adds documentation that was missed as part of 268a707.
diff --git a/doc/configuration.txt b/doc/configuration.txt
index 48b69a5..d11b631 100644
--- a/doc/configuration.txt
+++ b/doc/configuration.txt
@@ -13857,6 +13857,17 @@
to handle some load. It is useful to report a failure when combined with
"monitor fail".
+prio_class : integer
+ Returns the priority class of the current session for http mode or connection
+ for tcp mode. The value will be that set by the last call to "http-request
+ set-priority-class" or "tcp-request content set-priority-class".
+
+prio_offset : integer
+ Returns the priority offset of the current session for http mode or
+ connection for tcp mode. The value will be that set by the last call to
+ "http-request set-priority-offset" or "tcp-request content
+ set-priority-offset".
+
proc : integer
Returns an integer value corresponding to the position of the process calling
the function, between 1 and global.nbproc. This is useful for logging and