Stata gives type mismatch error on if inlist(strvar, "abc" , "abc xyz") like condition in package - ssc install htopen - Especially on if string variable contain space between words.

sysuse auto, clear

htopen using abc.html, replace
htlist make price mpg if inlist(make,"Subaru","Toyota Corolla") , align(center) varname
htclose


. sysuse auto, clear
(1978 Automobile Data)
.
. htopen using abc.html, replace
. htlist make price mpg if inlist(make,"Subaru","Toyota Corolla") , align(center) varname
type mismatch
r(109);

Please suggest in this regard.
Rasool Bux