On Friday, 27 October 2017 12:39:47 BST Jean-Pierre Chrétien wrote: > I'm on my own with it, I dowload directly from the site. > > Should I change my formulation like this ? > Replace > > undertilde is not in TexLive due to licensing issues. > If you have TeXLive installed and want to see the effect of command utilde > in the output, you must fetch the package from CTAN. > > by > > undertilde is not in the native TexLive distribution due to licensing > issues. If undertilde.sty is not installed on your system, and if you want > to see the effect of command utilde in the output of this manual (sec 7.1), > you must fetch the package from CTAN. > > -- > Jean-Pierre HI Jean-Pierre
I understand now; the undertilde package is no longer part of TeXLive but the undertilde character is provided by the wsuipa package as mentioned in Scott Pakin’s list of symbols: www.ctan.org/tex-archive/info/symbols/comprehensive/ symbols-a4.pdf John
