If you set KCONFIG_OVERWRITECONFIG in the environment, Kconfig will not
break symlinks when .config is a symlink to somewhere else.
+KCONFIG_WARN_UNKNOWN_SYMBOLS
+----------------------------
+This environment variable makes Kconfig warn about all unrecognized
+symbols in the config input.
+
+KCONFIG_WERROR
+--------------
+If set, Kconfig treats warnings as errors.
+
`CONFIG_`
---------
If you set `CONFIG_` in the environment, Kconfig will prefix all symbols
first (and in alphabetical order), then come all other symbols,
sorted in alphabetical order.
+ In this menu, pressing the key in the (#) prefix will jump
+ directly to that location. You will be returned to the current
+ search results after exiting this new menu.
+
----------------------------------------------------------------------
User interface options for 'menuconfig'
F8 (SymSearch) searches the configuration symbols for the
given string or regular expression (regex).
+ In the SymSearch, pressing the key in the (#) prefix will
+ jump directly to that location. You will be returned to the
+ current search results after exiting this new menu.
+
NCONFIG_MODE
------------
This mode shows all sub-menus in one large tree.