context --ctx=x-ldx char-cmp.lua fails with {/opt/luatex/minimals/tex/texmf/fonts/map/dvips/iwona/iwona-ex.map} [1.1] [2.2] [3.3] Illegal parameter number in definition of \!!stringa. <to be read again> 1 \doprocesscommalist ... \commalevel \endcsname ##1 ,{#2{##1}\doprocesscommait... \expanded ...long \xdef \@@expanded {\noexpand #1} \@@expanded l.1 \xmlsetup{764}{ldx:function} \xmlflush #1->\ctxlua {lxml.flush("#1")} \doifelsenothing #1->\edef \!!stringa {#1 }\ifx \!!stringa \empty \expandafte... ... l.2 \xmlprocess{\xmldocument}{./char-cmp.lua}{} -- luigi