VEM_PLAIN
Var_Export(VEM_PLAIN, arg);
ExportVar(name, scope, VEM_PLAIN);
else if (mode == VEM_PLAIN)
if (isExport && mode == VEM_PLAIN)
} else if (mode == VEM_PLAIN && varnames[0] == '\0') {
ExportVarsExpand(varnames, false, VEM_PLAIN);