Write the "optional" field out as bool instead of string.
Write the "optional" field out as bool instead of string.

grogancolin/dub,jeanbaptistelab/dub,jelmansouri/dub,nazriel/dub,xentec/dub,y12uc231/dub,schuetzm/dub,alexeibs/dub,rjframe/dub,D-Programming-Language/dub,p0nce/dub,gedaiu/dub,Geod24/dub,dreamsxin/dub,Flamaros/dub,Abscissa/dub-data-mod,Abscissa/dub