Search for functions and variables. Both interactive functions
(commands) and noninteractive functions can be found by this.
-@item M-x apropos-variable
-@findex apropos-variable
+@item M-x apropos-user-option
+@findex apropos-user-option
Search for user-customizable variables. With a prefix argument,
search for non-customizable variables too.
+@item M-x apropos-variable
+@findex apropos-variable
+Search for variables. With a prefix argument, search for
+customizable variables only.
+
@item M-x apropos-value
@findex apropos-value
Search for variables whose values match the specified pattern. With a