On Mon, 13 Jun 2016, Guenter Milde wrote:
No. This is a TeX feature: any TeX command "eats up" the following space
unless it is terminated by either \ or {}. I recommend
"... \textrho\texttau\textphi{} is ...".
Günter, That's interesting. It's only with the \textphi command that the following space is dropped. I added an interword space (not a protected space) and that fixed the appearance. In the future, if I see this again I will add braces to the command. Many thanks, Rich
