Lib.rs

rust ✅ :

let mmm = "this works";

rs ❌:

let mmm = "but, this doesn't";

clike ✅:

#include <stdio.h>

int main() {
    const char *mmm = "this works";
    return 0;
}

c ❌:

#include <stdio.h>

int main() {
    const char *mmm = "but, this doesn't";
    return 0;
}

markup ✅:

<mmm>this works</mmm>

xml ❌:

<mmm>but, this doesn't</mmm>