describe-coding-system

describe-coding-system is an interactive autoloaded Lisp function in `mule-diag.el'.

It is bound to C-h C, <f1> C, <help> C, <menu-bar> <help-menu> <describe> <describe-coding-system>, <menu-bar> <options> <mule> <describe-coding-system>.

(describe-coding-system CODING-SYSTEM)

Display information about CODING-SYSTEM.