add docstring

galaxyproject · Jan 11, 2022 · c47bd55 · c47bd55
1 parent c3d3727
commit c47bd55
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/lib/galaxy/util/xml_macros.py b/lib/galaxy/util/xml_macros.py
@@ -157,6 +157,9 @@ def _expand_macro(element, expand_el, macros, tokens):
 
 def _expand_yield_statements(macro_def, expand_el):
     """
+    Modifies the macro_def element by replacing all <yield/> tags below the
+    macro_def element by the children  of the expand_el
+
     >>> from lxml.etree import tostring
     >>> from galaxy.util import XML
     >>> expand_el = XML('''