Hi, we use a grammar - but it looks exactly like HTML strings. If you were naive, you'd think our system treated the strings as naked strings. But we get comp

Hi, we use a grammar - but it looks exactly like HTML strings. If you were naive, you'd think our system treated the strings as naked strings. But we get compile-time errors if our HTML fragments are ill-formed. Fields we pass in get automatically escaped. Best of all worlds, I think. Well, other than the fact ours isn't open source. I mean, I can imagine some improvements to the system we use, but they're all incremental improvements.