LaTeX.org

I think I finally solved it. In my case, inserting a space did not work. Putting the label on a new line (in "Standard" markup) immediately after the Section heading did work.

Nope, still not right.

Cross-references to Subsections work fine, without the extra space.

Cross-references to Sections are broken: I get the error mentioned above if I don't include an extra space; I get "Section ??" in the rendered pdf if I do.

Any ideas?

I tried this, came up with a new problem.

In my case, the "Argument of \NoCaseChange has an extra }" error comes up whenever a Section heading is immediately followed by a Subsection heading, and I want to reference the Section.

Adding a space between the Section heading and the label breaks any ...