add note on attribute names to set_attribute docstring

srittau · Mar 19, 2014 · 4e6644e · 4e6644e
1 parent 722231e
commit 4e6644e
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/htmlgen/element.py b/htmlgen/element.py
@@ -164,7 +164,11 @@ def __init__(self, element_name):
         self._styles = {}
 
     def set_attribute(self, name, value):
-        """Set a HTML attribute to a given string value.
+        """Set an HTML attribute to a given string value.
+
+        The validity of an attribute name is not checked, please refer to
+        the HTML standard for allowed attribute names. A good guideline is
+        to use only alphanumeric characters and dashes.
 
             >>> element = Element("div")
             >>> element.set_attribute("title", "Test Title")