 given=!items2words $given
 givencnt=!wordcnt $given
 !distribute words $given into g1,g2
 !default givenname1=$m_f(x)
 !default givenname2=$m_g(x)
 !default fname=the function
 !if $givencnt=1
  present=Let $m_f be a function which is continuous and differentiable to\
  order $[$sorder+1], with a Taylor expansion<p><center>\
  $givenname1 = $($g1)&nbsp;.</center> <p>\
  Please compute the Taylor expansion near $t0 of $fname $calcname
 !else
  present=Let $m_f and $m_g be two functions which are continuous and\
  differentiable to order $[$sorder+1], with Taylor expansions\
  <p><center>\
  $givenname1 = $($g1)&nbsp;,<p>\
  $givenname2 = $($g2)&nbsp;.</center> <p>\
  Please compute the Taylor expansion near $t0 of $fname $calcname
 !endif
