List files and fix scrolling

src/basic/basic.h

@@ -741,6 +741,7 @@ UTF8Iter IterateUTF8Ex(char *data, int64_t len);
 UTF8Iter IterateUTF8(char *data);
 UTF8Iter IterateUTF8(String string);
 
+bool IsAlphabetic(char a);
 #define FmtString(string) (int)(string).len, (string).data
 bool        AreEqual(String a, String b, unsigned ignore_case = false);
 int64_t     CreateWidecharFromChar(wchar_t *buffer, int64_t buffer_size, char *in, int64_t inlen);