The Predicates for Strings
==========================
For more information about general sequence and array predicates,
see Note:Sequences Arrays Vectors, and Note:Arrays.
- Function: stringp object
This function returns `t' if OBJECT is a string, `nil' otherwise.
- Function: char-or-string-p object
This function returns `t' if OBJECT is a string or a character
(i.e., an integer), `nil' otherwise.