bpo-14465: Add an indent() function to xml.etree.ElementTree to pretty-print XML trees (GH-15200)
diff --git a/Doc/library/xml.etree.elementtree.rst b/Doc/library/xml.etree.elementtree.rst
index 9f46755..6047e6e 100644
--- a/Doc/library/xml.etree.elementtree.rst
+++ b/Doc/library/xml.etree.elementtree.rst
@@ -572,6 +572,18 @@
.. versionadded:: 3.2
+.. function:: indent(tree, space=" ", level=0)
+
+ Appends whitespace to the subtree to indent the tree visually.
+ This can be used to generate pretty-printed XML output.
+ *tree* can be an Element or ElementTree. *space* is the whitespace
+ string that will be inserted for each indentation level, two space
+ characters by default. For indenting partial subtrees inside of an
+ already indented tree, pass the initial indentation level as *level*.
+
+ .. versionadded:: 3.9
+
+
.. function:: iselement(element)
Checks if an object appears to be a valid element object. *element* is an