diff --git a/radicale.py b/radicale.py
index 7802576..8ac9bdb 100755
--- a/radicale.py
+++ b/radicale.py
@@ -81,10 +81,10 @@ for option in parser.option_list:
     if key:
         section = "logging" if key == "debug" else "server"
         value = getattr(options, key)
-        radicale.config.set(section, key, value)
+        radicale.config.set(section, key, str(value))
 
 # Start logging
-radicale.log.start(options.debug)
+radicale.log.start()
 
 # Fork if Radicale is launched as daemon
 if options.daemon:
diff --git a/radicale/__init__.py b/radicale/__init__.py
index e446b6c..fcf6265 100644
--- a/radicale/__init__.py
+++ b/radicale/__init__.py
@@ -190,7 +190,11 @@ class Application(object):
 
         # Set content length
         if answer:
-            log.LOGGER.debug("Response content:\n%s" % answer)
+            # decoding the answer for logging purposes on Python 3
+            log_answer = answer
+            if not isinstance(log_answer, str):
+                log_answer = log_answer.decode(config.get("encoding", "request"))
+            log.LOGGER.debug("Response content:\n%s" % log_answer)
             headers["Content-Length"] = "%i" % len(answer)
 
         # Start response
diff --git a/radicale/acl/htpasswd.py b/radicale/acl/htpasswd.py
index 70197d1..d6600ee 100644
--- a/radicale/acl/htpasswd.py
+++ b/radicale/acl/htpasswd.py
@@ -65,5 +65,5 @@ def has_right(owner, user, password):
         if line.strip():
             login, hash_value = line.strip().split(":")
             if login == user and (not PERSONAL or user == owner):
-                return locals()["_%s" % ENCRYPTION](hash_value, password)
+                return globals()["_%s" % ENCRYPTION](hash_value, password)
     return False
diff --git a/radicale/log.py b/radicale/log.py
index 3d36f9f..19ec046 100644
--- a/radicale/log.py
+++ b/radicale/log.py
@@ -35,10 +35,8 @@ from radicale import config
 LOGGER = logging.getLogger()
 FILENAME = os.path.expanduser(config.get("logging", "config"))
 
-def start(debug=False):
+def start():
     """Start the logging according to the configuration."""
-    if debug:
-        LOGGER.setLevel(logging.DEBUG)
 
     if os.path.exists(FILENAME):
         # Configuration taken from file
@@ -48,3 +46,8 @@ def start(debug=False):
         handler = logging.StreamHandler(sys.stdout)
         handler.setFormatter(logging.Formatter("%(message)s"))
         LOGGER.addHandler(handler)
+
+    if config.getboolean("logging", "debug"):
+        LOGGER.setLevel(logging.DEBUG)
+        for handler in LOGGER.handlers:
+            handler.setLevel(logging.DEBUG)
diff --git a/radicale/xmlutils.py b/radicale/xmlutils.py
index e582dc0..2806a32 100644
--- a/radicale/xmlutils.py
+++ b/radicale/xmlutils.py
@@ -38,6 +38,26 @@ NAMESPACES = {
     "CS": "http://calendarserver.org/ns/"}
 
 
+for short, url in NAMESPACES.items():
+    ET._namespace_map[url] = short
+
+
+def _et_indent(elem, level=0):
+    i = "\n" + level * "  "
+    if len(elem):
+        if not elem.text or not elem.text.strip():
+            elem.text = i + "  "
+        if not elem.tail or not elem.tail.strip():
+            elem.tail = i
+        for elem in elem:
+            _et_indent(elem, level+1)
+        if not elem.tail or not elem.tail.strip():
+            elem.tail = i
+    else:
+        if level and (not elem.tail or not elem.tail.strip()):
+            elem.tail = i
+
+
 def _tag(short_name, local):
     """Get XML Clark notation {uri(``short_name``)}``local``."""
     return "{%s}%s" % (NAMESPACES[short_name], local)
@@ -77,6 +97,9 @@ def delete(path, calendar):
     status.text = _response(200)
     response.append(status)
 
+    if config.getboolean("logging", "debug"):
+        _et_indent(multistatus)
+
     return ET.tostring(multistatus, config.get("encoding", "request"))
 
 
@@ -90,9 +113,8 @@ def propfind(path, xml_request, calendar, depth):
     root = ET.fromstring(xml_request)
 
     prop_element = root.find(_tag("D", "prop"))
-    prop_list = prop_element.getchildren()
-    props = [prop.tag for prop in prop_list]
-    
+    props = [prop.tag for prop in prop_element]
+
     # Writing answer
     multistatus = ET.Element(_tag("D", "multistatus"))
 
@@ -179,6 +201,9 @@ def propfind(path, xml_request, calendar, depth):
         status.text = _response(200)
         propstat.append(status)
 
+    if config.getboolean("logging", "debug"):
+        _et_indent(multistatus)
+
     return ET.tostring(multistatus, config.get("encoding", "request"))
 
 
@@ -194,10 +219,9 @@ def proppatch(path, xml_request, calendar):
 
     for action in ("set", "remove"):
         action_element = root.find(_tag("D", action))
-        if action_element:
+        if action_element is not None:
             prop_element = action_element.find(_tag("D", "prop"))
-            prop_list = prop_element.getchildren()
-            props.extend(prop.tag for prop in prop_list)
+            props.extend(prop.tag for prop in prop_element)
 
     # Writing answer
     multistatus = ET.Element(_tag("D", "multistatus"))
@@ -223,6 +247,9 @@ def proppatch(path, xml_request, calendar):
     status.text = _response(200)
     propstat.append(status)
 
+    if config.getboolean("logging", "debug"):
+        _et_indent(multistatus)
+
     return ET.tostring(multistatus, config.get("encoding", "request"))
 
 
@@ -247,8 +274,7 @@ def report(path, xml_request, calendar):
     root = ET.fromstring(xml_request)
 
     prop_element = root.find(_tag("D", "prop"))
-    prop_list = prop_element.getchildren()
-    props = [prop.tag for prop in prop_list]
+    props = [prop.tag for prop in prop_element]
 
     if calendar:
         if root.tag == _tag("C", "calendar-multiget"):
@@ -303,4 +329,7 @@ def report(path, xml_request, calendar):
             status.text = _response(200)
             propstat.append(status)
 
+    if config.getboolean("logging", "debug"):
+        _et_indent(multistatus)
+
     return ET.tostring(multistatus, config.get("encoding", "request"))