Less verbose template function message.

args='auto' and group='custom' as default

python/core/__init__.py

@@ -77,7 +77,7 @@ def func(self, values, feature, parent):
     return f
 
 
-def qgsfunction(args, group, **kwargs):
+def qgsfunction(args='auto', group='custom', **kwargs):
     """
     Decorator function used to define a user expression function.
 

python/user.py

@@ -41,17 +41,14 @@ def load_user_expressions(path):
 expressions.load = load_user_expressions
 expressions.load(expressionspath)
 expressions.template = """\"\"\"
-Template function file. Define new functions using @qgsfunction.
-When using args="auto" you may define a new variable for each value for the function.
-feature and parent must always be the last args.
-To pass a any number of args into a function use args=-1 the first
-variable will then be a list of values.
+Define new functions using @qgsfunction. feature and parent must always be the
+last args. Use args=-1 to pass a list of values as arguments
 \"\"\"
 
 from qgis.core import *
 from qgis.gui import *
 
-@qgsfunction(args="auto", group='Custom')
+@qgsfunction(group='Custom')
 def func(value1, feature, parent):
-    pass
+    return value1
 """