How to switch on syntax highlighting for python snippet?

Question

I tried to highlight some code in this answer, by inserting an explicit

<!-- language-all: python -->

at the top of the file.

I also tried <!-- language: python --> just before the block of code, and have replaced python by py (as the latter is mentioned on meta-stackexchange) in both.

None of these seem to trigger highlighting of the python code. I am doing something wrong, but what is it?

Answer 1

The problem was python, which tells it to use the syntax highlighting associated with the tag python, which for some reason was set to "none". I changed it now, so both the methods you described will work. In the future, you can also directly specify a language from the list in that meta post (instead of specifying a tag), but you need to prefix it with lang, e.g. <!-- language: lang-py -->.

See What is syntax highlighting and how does it work?