✨ add utf-8 identifier check in nasal_lexer & fix printf format at windows platform & add test file utf8chk.nas

test/calc.nas

@@ -65,8 +65,9 @@ var testfile=[
     "test/tetris.nas       ",
     "test/trait.nas        ",
     "test/turingmachine.nas",
-    "test/ycombinator.nas  ",
-    "test/wavecollapse.nas "
+    "test/utf8chk.nas      ",
+    "test/wavecollapse.nas ",
+    "test/ycombinator.nas  "
 ];
 
 var module=[

test/utf8chk.nas

@@ -0,0 +1,11 @@
+var 输出=print;
+var 这是unicode测试=func(){
+    var 测试成功=[
+        "unicode: utf-8支持测试成功",
+        "目前仅支持utf-8以及ascii格式文件",
+        "注意: windows系统请开启chcp 65001代码页"
+    ];
+    foreach(var 内容;测试成功)
+        输出(内容~"\n");
+}
+这是unicode测试();