I suggest you to read OpenSSL changelogs to make it more clear. As there's not enough space to describe how it works. But heartbleed resistan version was 1.0.2, as I know.
Answer:
In most programming languages "" are required around text.
Explanation:
Python: print("text")
HTML: <p>text</p>
C++: int Main() {
cout << "text" << endl;
}
Lua: print("text")
A router, possibly. Thought I'm not for sure because I'm not in computers and technology
