*
* The user may set some environment variables which affect the library:
*
- * - `XKB_CONFIG_ROOT`, `XKB_EXTRA_PATH`, `XDG_CONFIG_DIR`, `HOME` - see @ref include-path.
+ * - `XKB_CONFIG_ROOT`, `XKB_CONFIG_EXTRA_PATH`, `XDG_CONFIG_DIR`, `HOME` - see @ref include-path.
* - `XKB_LOG_LEVEL` - see xkb_context_set_log_level().
* - `XKB_LOG_VERBOSITY` - see xkb_context_set_log_verbosity().
* - `XKB_DEFAULT_RULES`, `XKB_DEFAULT_MODEL`, `XKB_DEFAULT_LAYOUT`,
* fallback to `$HOME/.config/` if unset.
* - The path `$HOME/.xkb`, where $HOME is the value of the environment
* variable `HOME`.
- * - The `XKB_EXTRA_PATH` environment variable, if defined, otherwise the
+ * - The `XKB_CONFIG_EXTRA_PATH` environment variable, if defined, otherwise the
* system configuration directory, defined at library configuration time
* (usually `/etc/xkb`).
* - The `XKB_CONFIG_ROOT` environment variable, if defined, otherwise