add special character \e.

test/ascii-art.nas

@@ -114,10 +114,33 @@ var curve4=func()
     }
     return;
 }
+var curve5=func(){
+    var a=[];
+    for(var i=0;i<10;i+=1)
+        append(a,"\e["~split(".",str(i))[0]~"mh \e[0m");
+    for(var i=30;i<38;i+=1)
+        append(a,"\e["~split(".",str(i))[0]~"mh \e[0m");
+    for(var i=40;i<48;i+=1)
+        append(a,"\e["~split(".",str(i))[0]~"mh \e[0m");
+    for(var i=90;i<98;i+=1)
+        append(a,"\e["~split(".",str(i))[0]~"mh \e[0m");
+    for(var i=100;i<108;i+=1)
+        append(a,"\e["~split(".",str(i))[0]~"mh \e[0m");
+    var s=0;
+    foreach(var i;a){
+        print(i,s==3?"\n":"");
+        if(s==3)
+            s=0;
+        else
+            s+=1;
+    }
+    print('\n');
+}
 trans_ttf("just for test");
 trans_ttf(" ValKmjolnir ");
 trans_ttf("just for fun");
 curve1();
 curve2();
 curve3();
-curve4();
+curve4();
+curve5();

test/lexer.nas

@@ -43,6 +43,7 @@ var lexer=func(file)
                     var c=chr(s[ptr]);
                     if   (c=='a' ) str~='\a';
                     elsif(c=='b' ) str~='\b';
+                    elsif(c=='e' ) str~='\e';
                     elsif(c=='f' ) str~='\f';
                     elsif(c=='n' ) str~='\n';
                     elsif(c=='r' ) str~='\r';