" :forward go forward in the history (after :back)\n" ++
" :history [<n>] show the last <n> items in the history (after :trace)\n" ++
" :print [<name> ...] prints a value without forcing its computation\n" ++
+ " :sprint [<name> ...] simplifed version of :print\n" ++
" :step single-step after stopping at a breakpoint\n"++
" :step <expr> single-step into <expr>\n"++
" :trace trace after stopping at a breakpoint\n"++
" :trace <expr> trace into <expr> (remembers breakpoints for :history)\n"++
- " :sprint [<name> ...] simplifed version of :print\n" ++
"\n" ++
" -- Commands for changing settings:\n" ++