Hi! I could compile the following document (part of it givne here): ============== \starttext \startlinenumbering Thus, I came to the conclusion that the designer of a new system must not only be the implementer and first large--scale user;\someline[here] the designer should also write the first user manual. .../... \stoplinenumbering see at \inline{line}[here], \inline{line}[there] and also at \inline{line}[range] \stoptext ============== Now, version 0.44, I get an error: ============== ! LuaTeX error no string to print stack traceback: [C]: in function 'texsprint' ...TeXt/tex/texmf-context/tex/context/base/strc-ref.lua:840: in function 'get_current_prefixspec' <main ctx instance>:1: in main chunk. \currentreferencecontent ...ixspec("\v!default ")} )} <argument> ...freference \currentreferencecontent \rightofreference \doifelsenothing #1->\edef \!!stringa {#1 }\ifx \!!stringa \empty \expandafte... <argument> ...referencecontent \rightofreference } \dosymbolreference \dowant... \firstoftwoarguments #1#2->#1 \dodoinatreferenceindeed ...eference {#1}{#2}[#4]} \endgroup ... l.20 see at \inline{line}[here] , \inline{line}[there] and also at \inline{li... ? ============= So the label to the line is not known?! Alain