="hs-comment"
      >-- &quot; single quotes are fine in line comments</span
      ><span
      >
</span
      ><span id="line-20"
      ></span
      ><span class="hs-comment"
      >-- {- unclosed block comments are fine in line comments</span
      ><span
      >
</span
      ><span id="line-21"
      ></span
      ><span
      >
</span
      ><span id="line-22"
      ></span
      ><span class="hs-comment"
      >-- Multiline CPP is also fine</span
      ><span class="hs-cpp"
      >
#define FOO\
  1
</