2000-03-02  Jon K Hellan  <hellan@acm.org>

	* doc/python-gnumeric.txt: Updated documentation

	* src/func.h: Make FunctionCategory.name a String * instead of
	gchar *. This was necessary to allow user defined categories.
	src/func.c (function_category_compare, function_get_category): Use
	new FunctionCategory. Fix wrong use of g_list_find_custom.
	(function_def_count_args, function_def_get_arg_type): Null pointer
	check.

	* src/dialogs/dialog-function-select.c (function_categories_fill):
	ditto.

2000-03-01  Jon K Hellan  <hellan@acm.org>

	* python.c (exception_to_string): Rename to string_from_exception.
	(value_from_exception): New function. Converts the current Python
	exception to a new VALUE_ERROR.
	(file static variable eval_pos): remove
	(value_to_python): Fix refcounting bug re Py_None.
	(value_from_python): Caller is now responsible for converting
	exception to VALUE_ERROR.
	(marshal_func): Handle optional arguments. Use
	value_from_exception. Do away with eval_pos kludge. Consequence:
	We must pass FunctionEvalInfo as an extra parameter to the python
	functions.
	(apply): Add context parameter.
	(register_function): Add category parameter to Python
	signature. Register function in given category.

	* gnumeric_startup.py: Add category argument to all
	register_function calls.
	(gnumeric_mid, py_abs): Add context parameter.

	* python.c