\input regression-test.tex
\documentclass{article}
\begin{document}
\START
\directlua{
 local reader=require('tagpax-ir')
 local compare=require('tagpax-compare')
 local source=reader.read('subdocument.tagpax')
 local target=reader.read('roundtrip-master.tagpax')
 texio.write_nl('log','pages='..tostring(target.source.pages))
 local ok,errors=compare.semantic(source,target)
 texio.write_nl('log','roundtrip='..tostring(ok))
 local precise=false
 for _,annotation in ipairs(target.annotations or {}) do
   if annotation.action=='GoTo' then
     local destination=target.destinations[annotation.destination]
     precise=destination and destination.view=='XYZ'
       and tonumber(destination.arg1)~=nil
       and tonumber(destination.arg2)~=nil
     break
   end
 end
 texio.write_nl('log','precise-destination='..tostring(not not precise))
 for _,e in ipairs(errors) do texio.write_nl('log','error='..e) end
 local function rolemap_report(label, ir)
   for _, rolemap in ipairs(ir.rolemaps or {}) do
     texio.write_nl('log', label..'-rolemap='..tostring(rolemap.tag)..'->'..tostring(rolemap.role))
   end
 end
 rolemap_report('source', source)
 rolemap_report('target', target)
}
\END
\end{document}