fix insert key, terminfo and changed TERM back to st. (thx Ondrej Martinek)

config.def.h

@@ -1,5 +1,5 @@
 #define TAB 8
-#define TNAME "xterm"
+#define TNAME "st-256color"
 #define FONT "-*-*-medium-r-*-*-*-120-75-75-*-60-*-*"
 #define BOLDFONT "-*-*-bold-r-*-*-*-120-75-75-*-60-*-*"
 #define BORDER 2
@@ -34,6 +34,7 @@ static const char *colorname[] = {
 /* Special keys */
 static Key key[] = {
 	{ XK_BackSpace, "\177" },
+	{ XK_Insert,    "\033[2~" },
 	{ XK_Delete,    "\033[3~" },
 	{ XK_Home,      "\033[1~" },
 	{ XK_End,       "\033[4~" },

st.info

@@ -50,6 +50,7 @@ st| simpleterm,
 	kcuf1=\E[C,
 	kcuu1=\E[A,
 	kdch1=\E[3~,
+	kich1=\E[2~,
 	kend=\E[4~,
 	kf10=\E[21~,
 	kf11=\E[23~,
@@ -91,9 +92,9 @@ st| simpleterm,
 	xenl,
 
 st-256color| simpleterm with 256 colors,
+	use=st,
 	colors#256,
 	pairs#32767,
 #	Nicked from xterm-256color
 	setab=\E[%?%p1%{8}%<%t4%p1%d%e%p1%{16}%<%t10%p1%{8}%-%d%e48;5;%p1%d%;m,
 	setaf=\E[%?%p1%{8}%<%t3%p1%d%e%p1%{16}%<%t9%p1%{8}%-%d%e38;5;%p1%d%;m,
-	use=st,