Another way to get the same behavior, if you should prefer the heading on one line, is this:
#[= asdf] #lab
honestly I find your solution nicer though: it keeps the = at the beginning of the line and thus seems more readable to me.
Another way to get the same behavior, if you should prefer the heading on one line, is this:
#[= asdf] #lab
honestly I find your solution nicer though: it keeps the = at the beginning of the line and thus seems more readable to me.