Hi, the \blackrule (in my real project this is the running title) on page 1 is about 1mm higher than on page 2. Why? Best, Steffen \setupbodyfont[palatino,9.5pt]\setupinterlinespace[13pt] \setuppagenumbering [alternative=doublesided,location=] \setupheader[strut=yes] \setupheadertexts[text][][\blackrule] \definepapersize[stw][width=17cm,height=24cm] \setuppapersize[stw][stw] \setuplayout [width=122mm, backspace=18mm,topspace=10mm, header=7mm,headerdistance=5.969mm, footer=5mm,footerdistance=5mm,height=214.031mm, location=middle] \definedelimitedtext [narrowtext] [leftmargin=6mm,rightmargin=0mm]%, \starttext %%Test 1: \dorecurse{6}{\input linden} %%Test 2: %\dorecurse{5}{\input tufte} \start \startdelimitedtext[narrowtext] \switchtobodyfont[8pt]\setuplocalinterlinespace[line=11pt] \input linden\par \stopdelimitedtext \stop \stoptext