/* Unclear meaning (all from remote control) */
#define XK_                  /* ANGLE - other camera position, different video stream */
#define XK_                  /* ARCHIVE */
#define XK_                  /* ISO */
#define XK_                  /* MODE */
#define XK_                  /* SCREEN */
#define XK_                  /* QUESTION */

#define XK_Macro             /* MACRO */
#define XK_Media_Power_Off   /* POWER2 C- (rotate ccw) on remote controls */

#define XK_Keyboard_Light_Down   /* KBDILLUMDOWN */
#define XK_Keyboard_Light_Up     /* KBDILLUMUP */
#define XK_Keyboard_Light_Toggle /* KBDILLUMTOGGLE */
#define XK_Battery           /* BATTERY */

/* Teletext control/Game pad buttons */
#define XK_Red_Button        /* RED */
#define XK_Green_Button      /* GREEN */
#define XK_Yellow_Button     /* YELLOW */
#define XK_Blue_Button       /* BLUE */

#define XK_Network           /* CONNECT */
#define XK_Blue_Tooth        /* BLUETOOTH */
#define XK_WLAN              /* WLAN */

#define XK_Cycle_Windows     /* CYCLEWINDOWS - how related to alt tab???? */

/* Advanced editing */
#define XK_Delete_End_Of_Line   /* DEL_EOL */
#define XK_Delete_End_Of_Screen /* DEL_EOS */
#define XK_Insert_Line          /* INS_LINE */
#define XK_Delete_Line          /* DEL_LINE */

#define XK_ZoomIn               /* ZOOMIN */
#define XK_ZoomOut              /* ZOOMOUT */
#define XK_Zoom_Reset           /* ZOOMRESET */

#define XK_Delete_File          /* DELETEFILE */
#define XK_File                 /* FILE  ??? */
#define XK_Directory            /* DIRECTORY show file system ??? */

#define XK_Function_Key         /* FN - Function key implement as modifier? */

#define XK_Information         /* INFO [i] */
#define XK_Keyboard            /* KEYBOARD - show onscreen keyboard */
#define XK_Digits              /* DIGITS   - show onscreen num pad */
#define XK_Language            /* LANGUAGE - show language selection */

/* Media */ 
#define XK_Shuffle             /* SHUFFLE */
#define XK_FastForward         /* FASTFORWARD */
#define XK_Restart             /* RESTART */

#define XK_Close_CD            /* CLOSECD      may be just use XF86Eject */
#define XK_Eject_Close_CD      /* EJECTCLOSECD may be just use XF86Eject */

/* Remote Control, switch to other source */
/* XXX may be use a common prefix for them; "Media_" ??? */
#define XK_Media_Source        /* AB */
#define XK_Audio               /* AUDIO */
#define XK_Aux                 /* AUX */ 
#define XK_DVD                 /* DVD */
#define XK_PC                  /* PC */
#define XK_Player              /* PLAYER */
#define XK_Hard_Disk_Recorder  /* PVR */
#define XK_Media_Home_Platform /* MHP */
#define XK_Radio               /* RADIO */
#define XK_Tape                /* TAPE */
#define XK_Sat_Reciever        /* SAT */
#define XK_SAT_Reciever_2      /* SAT2 */
#define XK_Video_Text          /* TEXT */
#define XK_Tuner               /* TUNER */
#define XK_Tele_Vision         /* TV */
#define XK_Tele_Vision_2       /* TV2 */
#define XK_Video_Recorder      /* VCR */       
#define XK_Video_Recorder_2    /* VCR2 */
#define XK_Program_Guide       /* EPG */
#define XK_Voice_Mail          /* VOICEMAIL */
#define XK_Video_Phone         /* VIDEOPHONE */

/* Menu navigation */
#define XK_List                 /* LIST (Channels, Menu items, ...) */
#define XK_OK                   /* OK */
#define XK_First                /* FIRST */
#define XK_Last                 /* LAST */

/* Media Center control */
#define XK_Channel              /* CHANNEL */
#define XK_Channel_Down         /* CHANNELDOWN */
#define XK_Channel_Up           /* CHANNELUP */
#define XK_Channel_Ten          /* TEEN */
#define XK_Channel_Twenty       /* TWEN */

#define XK_Time                 /* TIME */
#define XK_Title                /* TITLE */
#define XK_SubTitle             /* SUBTITLE */
#define XK_Zoom                 /* ZOOM toogle/show slider */
#define XK_Bass_Boost           /* BASSBOOST */

/* Applications */
#define XK_AddressBook          /* ADDRESSBOOK */
#define XK_XF86Editor           /* EDITOR */
#define XK_XF86GraphicsEditor   /* GRAPHICSEDITOR */
#define XK_XF86Presentation     /* PRESENTATION */
#define XK_XF86Database         /* DATABASE */
#define XK_XF86Sport            /* SPORT see XF86Finance, XF86Shop, ... */