New function

fix_tei.py

@@ -54,6 +54,19 @@
 
 TMP_DIR = os.path.expanduser("tmp_files")
 
+def get_place_in_xml_tree(element, tree):
+    """Find out the position of an element in a tree.
+
+    Return the index. Example: how to insert an element after a specific
+    element
+    """
+
+    xml_children = tree.getchildren()
+    position = xml_children.index(element)
+
+    return position
+# def get_place_in_xml_tree ends here
+
 def parse_bibtex(bibfile):
     """Parse the bibtex file, return a dict"""