Rename UC_OSX (and related constants) to UC_MAC (#8589)

* Rename UC_OSX (and related constants) to UC_MAC

* Update UNICODE_SONG_OSX references to UNICODE_SONG_MAC

* Update UC_M_OS references to UC_M_MA

* Add UC_OSX alias for backwards compatibility

* Add deprecation warning for UC_OSX to Unicode docs

* Add UC_M_OS alias for backwards compatibility

* Update newly found UC_M_OS and UNICODE_SONG_OSX references

* Add legacy UNICODE_MODE_OSX alias, revert changes to user keymaps

* Add legacy UNICODE_SONG_OSX alias, revert changes to user keymaps

* Replace removed sounds in Unicode song doc examples

1 files changed, 12 insertions, 3 deletions

diff --git a/quantum/process_keycode/process_unicode_common.h b/quantum/process_keycode/process_unicode_common.h
index 13b6431bf..5421c28c7 100644
--- a/quantum/process_keycode/process_unicode_common.h
+++ b/quantum/process_keycode/process_unicode_common.h
@@ -23,8 +23,8 @@
 #endif
 
 // Keycodes used for starting Unicode input on different platforms
-#ifndef UNICODE_KEY_OSX
-#    define UNICODE_KEY_OSX KC_LALT
+#ifndef UNICODE_KEY_MAC
+#    define UNICODE_KEY_MAC KC_LALT
 #endif
 #ifndef UNICODE_KEY_LNX
 #    define UNICODE_KEY_LNX LCTL(LSFT(KC_U))
@@ -49,8 +49,17 @@
 #    define UNICODE_TYPE_DELAY 10
 #endif
 
+// Deprecated aliases
+#if !defined(UNICODE_KEY_MAC) && defined(UNICODE_KEY_OSX)
+#    define UNICODE_KEY_MAC UNICODE_KEY_OSX
+#endif
+#if !defined(UNICODE_SONG_MAC) && defined(UNICODE_SONG_OSX)
+#    define UNICODE_SONG_MAC UNICODE_SONG_OSX
+#endif
+#define UC_OSX UC_MAC
+
 enum unicode_input_modes {
-    UC_OSX,    // Mac OS X using Unicode Hex Input
+    UC_MAC,    // macOS using Unicode Hex Input
     UC_LNX,    // Linux using IBus
     UC_WIN,    // Windows using EnableHexNumpad
     UC_BSD,    // BSD (not implemented)