The next trick is dedicated to Aditya ... % engine=luatex \unprotect \def\Hack#1#2% {\pdfliteral{/Span << /ActualText <\ctxlua{pdf.hexify(\!!bs\detokenize{#1}\!!es)}> >> BDC}#2\pdfliteral{EMC}} \protect \def\Formula#1{\Hack{#1}{$#1$}} \startTEXpage[offset=3pt] test \Formula{e + a = mc^2 + \alpha} test \blank[2*big] \Formula{e + a = mc^2 + \alpha} \blank[2*big] $e + a = mc^2 + \alpha$ \stopTEXpage \stoptext try to cut and paste the math ... (only acrobat and actually acrobat is a bit bugged in this respect but the idea is there) ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | fax: 038 477 53 74 | www.pragma-ade.com | www.pragma-pod.nl -----------------------------------------------------------------