fix: normalize Korean shifted input

strans.c

@@ -159,6 +159,8 @@ dictqmap(Im *im)
 
 	clearkouho();
 	show();
+	if(im->l->map == nil)
+		return;
 	if(!mapget(im->l->map, &im->pre, &dict))
 		return;
 	dictsend(im, &dict);
@@ -374,6 +376,16 @@ ctrlkey(Rune c)
 	return c;
 }
 
+static Rune
+kokey(Rune c, u32int mod)
+{
+	if(c >= 'A' && c <= 'Z')
+		c += 'a' - 'A';
+	if((mod & Mshift) && c >= 'a' && c <= 'z')
+		c -= 'a' - 'A';
+	return c;
+}
+
 static int
 ismodkey(u32int ks)
 {
@@ -694,6 +706,8 @@ keystroke(u32int ks, u32int mod, Str *com)
 		reset();
 		return 1;
 	}
+	if(im.l->lang == LangKO)
+		ks = kokey(ks, mod);
 	n = dotrans(ks, com);
 	show();
 	return n;