## Mechanical Lock Switch Support
This feature is for *mechanical lock switch* like [this Alps one](http://deskthority.net/wiki/Alps_SKCL_Lock). You can enable it by adding this to your `config.h`:
-
+
```
#define LOCKING_SUPPORT_ENABLE
#define LOCKING_RESYNC_ENABLE
real_mods is intended to retains state of real/physical modifier key state, while
weak_mods retains state of virtual or temporary modifiers which should not affect state real modifier key.
-Let's say you hold down physical left shift key and type ACTION_MODS_KEY(LSHIFT, KC_A),
+Let's say you hold down physical left shift key and type ACTION_MODS_KEY(LSHIFT, KC_A),
with weak_mods,
* (1) hold down left shift: real_mods |= MOD_BIT(LSHIFT)