There is also a thing like context. Mentioning JS and HTML as languages in a news article about asm.js/PNaCl almost automatically means - "programming languages

There is also a thing like context. Mentioning JS and HTML as languages in a news article about asm.js/PNaCl almost automatically means - "programming languages". So you are factually right, but a lot of people will go and say ah, yes - writing HTML is programming. Which is just untrue.