\ProvidesPackage
  {lualineno} [2026-06-25 v0.2
  Line numbering in LuaTeX]

\directlua{require('lualineno')}
\AddToHook{build/page/reset}{\lualineno{unset}}

\AddToHook{package/breqn/after}{%
    \directlua{
      local replace = "\csstring\\\csstring\\directlua {
        local box = tex.getbox('EQ@numbox')
        if box then
          local n = node.copy_list(box)
          n.subtype = 7
          node.write(n)
        end}"
      local find = "\csstring\\\csstring\\copy \csstring\\\csstring\\EQ@numbox "
      local function patch_breqn(macro)
        local patch, success = token.get_macro(macro):gsub(find, replace)
        if success > 0 then
            token.set_macro(macro, patch)
        else
            texio.write_nl('log', "lualineno: failed to patch 
              \csstring\\\csstring\\" .. macro .. " (breqn)")
        end
      end
      patch_breqn("eq@typeset@RShifted")
      patch_breqn("eq@typeset@LShifted")
      patch_breqn("eq@typeset@rightnumber")
      patch_breqn("eq@typeset@leftnumber")
      }}


\endinput