newlines, EOF, and indents, each of which is examined in detail below.
There are various cases where no token can be found in part of the
-input. All of these will be reported as an `TK_error` token.
+input. All of these will be reported as a `TK_error` token.
It is possible to declare a number of strings which form distinct
tokens (rather than being grouped as e.g. 'word'). These are given
Tokens matching these known words are reported as the index of the
list added to `TK_reserved`.
+If identifiers are ignored, then any work which is not listed as a
+known word results in an error.
+
###### token config parameters
const char **words_marks;
int known_count;