Documentation (GNU Emacs Lisp Reference Manual)| www.gnu.org
Creating Strings (GNU Emacs Lisp Reference Manual)| www.gnu.org
Converting Representations (GNU Emacs Lisp Reference Manual)| www.gnu.org
Text Comparison (GNU Emacs Lisp Reference Manual)| www.gnu.org
Input Functions (GNU Emacs Lisp Reference Manual)| www.gnu.org
Output Functions (GNU Emacs Lisp Reference Manual)| www.gnu.org
Formatting Strings (GNU Emacs Lisp Reference Manual)| www.gnu.org