we should fiddle with this. The old behaviour e.g. evaluate when
inside "" and don't do anything when inside '' is probably better
choice in the end as people are used to it working that way.
Signed-off-by: Krzysztof Wilczynski <krzysztof.wilczynski@linux.com>
string value i.e. "" instead of raising an exception when a
particular fact is not present. We also make use of strinterp()
explicitly to evaluate arguments passed to the function.
Signed-off-by: Krzysztof Wilczynski <krzysztof.wilczynski@linux.com>
