Hi, i newbee in R and not understand the command tktag.bind, the code below not work find, (not change the foreground to red at move the cursos on the lines in the tktext and the for sentence appear not work) Why is this?Thanks library(tcltk) tt<-tktoplevel() editor<-tktext(tt) tkpack(editor) tkinsert(editor,"1.0","first line \n") tkinsert(editor,"2.0","Second line \n") tkinsert(editor,"3.0","Third line \n") cambio1<-function(t){ tktag.configure(editor,t,foreground="red") } cambio2<-function(t){ tktag.configure(editor,t,foreground="black") } tktag.add(editor,"t1","1.0","1.end") tktag.add(editor,"t2","2.0","2.end") tktag.add(editor,"t3","3.0","3.end") tkbind(editor,"<ButtonPress-1>",cambio1) tkbind(editor,"<ButtonRelease-1>",cambio2) hello<-function() print("hello") tktag.bind(editor,"t1","<1>",hello) tktag.bind(editor,"t1","<Motion>",cambio1(t1)) tktag.bind(editor,"t1","<Leave>",cambio2(t1)) l<-c("t1","t2","t3") for (t in l) tktag.bind(editor,t,"<Motion>",tktag.configure(editor,t,foreground="red")) for (t in l) tktag.bind(editor,t,"<Leave>",tktag.configure(editor,t,foreground="black"))