In the current beta, lxml-tex.lua needs this fix: --- lxml-tex.lua.bck 2018-09-17 12:12:24.000000000 +0200 +++ lxml-tex.lua 2018-09-17 12:12:41.000000000 +0200 @@ -2489,7 +2489,7 @@ local collected = xmlapplylpath(getid(id),pattern) if collected then for i=1,#collected do - setatt(collected[i],name,value) + lxml.setatt(collected[i],name,value) end end end @@ -2498,7 +2498,7 @@ local collected = xmlapplylpath(getid(id),pattern) if collected then for i=1,#collected do - setpar(collected[i],name,value) + lxml.setpar(collected[i],name,value) end end end Taco Hoekwater Elvenkind BV