Change Pause to Break in shortcut for serial break

config.def.h

@@ -143,7 +143,7 @@ static Mousekey mshortcuts[] = {
 
 static Shortcut shortcuts[] = {
 	/* mask                 keysym          function        argument */
-	{ XK_NO_MOD,            XK_Pause,       sendbreak,      {.i =  0} },
+	{ XK_ANY_MOD,           XK_Break,       sendbreak,      {.i =  0} },
 	{ ControlMask,          XK_Print,       toggleprinter,  {.i =  0} },
 	{ ShiftMask,            XK_Print,       printscreen,    {.i =  0} },
 	{ XK_ANY_MOD,           XK_Print,       printsel,       {.i =  0} },

st.1

@@ -122,8 +122,10 @@ and all the remaining arguments are used as a command
 even without it.
 .SH SHORTCUTS
 .TP
-.B Pause
+.B Break
-Send a break in the serial line
+Send a break in the serial line.
+Break key is obtained in PC keyboards
+pressing at the same time control and pause.
 .TP
 .B Ctrl-Print Screen
 Toggle if st should print to the