Dissapearances of items within < or >

I know this site supports...... sort of html, but can you make tags that do not end be ignored?
Along with that ignoring tags that dont even exist in html?
See this

For some reason, even quoting myself doesnt show the symbols.
If u had my account, and edited that, it would've showed you.
(They are supposed to report booleans)

you're supposed to put the quote on a new line[quote="shushforshasha, post:4, topic:4928"]
Report
}else{
report
}else{
Report
}
}
[/quote]

I thought i did

Just type &lt; instead of <.

<

What about >?

If there isn't a < before the > it's just an ordinary character.