* Multiple delimiters result in empty substrings. By definition, no
* delimiters will appear in the substrings.
*
- * The final char * in the array will be NULL.
+ * The final char * in the array will be NULL, and tal_count() will
+ * return the number of elements plus 1 (for that NULL).
*
* Example:
* #include <ccan/tal/str/str.h>