Hi there. Today I wrote a c++ program:

#include <cstdio>
int main() {
    freopen("test.out", "w", stdout);
    putchar('a'); putchar(0); putchar('b');
    return 0;
}

And then I try to open "test.out" with different applications.
Here is what Windows Notepad shows:

And then Windows Wordpad:

Next comes Emacs (for Windows):

However, Notepad++ 6.8.1 performs this:

I don't know what's wrong here. Hope it can be fixed.