+ CL-READLINE behaviour can be modified via ~/.inputrc, see GNU
+ Readline documentation for details.
+
+
+API
+
+ (exported by "READLINE" package, nicknamed "RL")
+
+
+ ADD-COMPLETION
+
+ Add a completion to the custom completion pool.
+
+
+ ADD-HISTORY string
+
+ Adds the given string to history.
+
+
+ CLEAR-COMPLETIONS
+
+ Empty the custom completion pool.
+
+
+ READEXPR &key primary-prompt secondary-prompt history
+
+ primary-prompt -- a string (default "=> ")
+ secondary-prompt -- a string (default "| ")
+ history -- a boolean (default t)
+
+ As READLINE, except reads enough lines to complete a lisp
+ expression.
+
+ Primary-prompt controls the prompt of the first line,
+ secondary prompt the prompt of the rest of the lines.