Dear knights, The following works in mkii but not mkiv: ===================== \starttext test \blank[2\bodyfontsize] test \stoptext ===================== ===================== ! Illegal unit of measure (pt inserted). system > tex > error on line 8 in file bodyfontsize.tex: Illegal unit of measure (pt inserted) ... 1 \starttext 2 test 3 4 \blank[2\bodyfontsize] 5 6 test 7 \stoptext 8 >> 9 <to be read again> ^^H <argument> 2^^H odyfontsize \addaskedblankskip ...nce \blankskip #1\dimexpr #2 \relax l.8 } \dovspacingyes ...#1\else \currentvspacing \fi ")} \fi l.4 \blank[2\bodyfontsize] ? ===================== Is there a new protocol for accomplishing this now in mkiv? What is it? Thnx and Best wishes Idris -- Professor Idris Samawi Hamid, Editor-in-Chief International Journal of Shīʿī Studies Department of Philosophy Colorado State University Fort Collins, CO 80523