Enable interpolation/backreferences in regexp-class-mappings
Signed-off-by: martin f. krafft <madduck@madduck.net>
diff --git a/doc/source/operations.rst b/doc/source/operations.rst
index a157403..4801803 100644
--- a/doc/source/operations.rst
+++ b/doc/source/operations.rst
@@ -97,6 +97,12 @@
define all nodes (and if only to allow them to be enumerated for the
inventory).
+The mapped classes can also contain backreferences when regular expressions
+are used, although they need to be escaped, e.g.::
+
+ class_mappings:
+ - /\.(\S+)$/ tld-\\1
+
Parameter interpolation
------------------------
Parameters may reference each other, including deep references, e.g.::