Shitf modifier adds 12 to the function number of the function keys,
while Control adds 24, so Control + F4 generates F28
{ XK_F3, /* F63 */ Mod3Mask, "\033[1;4R", 0, 0, 0},
{ XK_F4, XK_NO_MOD, "\033OS" , 0, 0, 0},
{ XK_F4, /* F16 */ ShiftMask, "\033[1;2S", 0, 0, 0},
{ XK_F3, /* F63 */ Mod3Mask, "\033[1;4R", 0, 0, 0},
{ XK_F4, XK_NO_MOD, "\033OS" , 0, 0, 0},
{ XK_F4, /* F16 */ ShiftMask, "\033[1;2S", 0, 0, 0},
- { XK_F4, /* F28 */ ShiftMask, "\033[1;5S", 0, 0, 0},
+ { XK_F4, /* F28 */ ControlMask, "\033[1;5S", 0, 0, 0},
{ XK_F4, /* F40 */ Mod4Mask, "\033[1;6S", 0, 0, 0},
{ XK_F4, /* F52 */ Mod1Mask, "\033[1;3S", 0, 0, 0},
{ XK_F5, XK_NO_MOD, "\033[15~", 0, 0, 0},
{ XK_F4, /* F40 */ Mod4Mask, "\033[1;6S", 0, 0, 0},
{ XK_F4, /* F52 */ Mod1Mask, "\033[1;3S", 0, 0, 0},
{ XK_F5, XK_NO_MOD, "\033[15~", 0, 0, 0},