get_bounds

Gets the bounds for the completion, which is the beginning of the current word (taking break characters into account) to the current insertion cursor.

If begin is non-null, it will be set to the start position of the current word being completed.

If end is non-null, it will be set to the insertion cursor for the current word being completed.

Parameters:

this	an CompletionContext
begin	a TextIter
end	a TextIter

Returns:

true if the marks are still valid and begin or end was set.