hi!

i think it is very neccesary to provide ability to add hints about each function.
it is very good to use Ctrl+Space to place function and see its description like:
function_result_type function_name(function_argument_type function_argument_1, function_argument_type function_argument_2, ...) function_description
e.g. integer strpos(string haystack, string needle) Search in haystack for occurance of needle
you can see how this feature done in PHPEXPERTEDITOR at ankord.com
thanks.