Example: ------ \definetextbackground[undeftext][location=text,alternative=1,dash=3,background=,frame=off,voffset=-.5ex] \starttext Hello \starttextbackground[undeftext] world! \page bbb. \page ccc. \stoptextbackground \stoptext ------ Proposed patch: ------ --- tex/texmf-context/tex/context/base/mkxl/anch-pgr.lmt.bak 2021-05-07 12:19:30.951643997 -0500 +++ tex/texmf-context/tex/context/base/mkxl/anch-pgr.lmt 2021-05-07 12:19:44.716693548 -0500 @@ -123,6 +123,9 @@ local ht = specification.ht local dp = specification.dp -- this is not yet r2l ready +-- myfix +realpage=texgetcount("realpageno") +-- end local w = d.shapes[realpage] local x, y = getpos() if trace_ranges then ------ The module-local variable `realpage` is never changed, which is apparently a bug. Best, GOU Lingfeng