GINREPLYTO
#define GMASK (GTO|GSUBJECT|GCC|GBCC|GREPLYTO|GINREPLYTO)
GTO|GSUBJECT|GCC|GREPLYTO|GINREPLYTO|GNL);
GTO|GSUBJECT|GCC|GBCC|GREPLYTO|GINREPLYTO|GNL|GCOMMA);
if (hp->h_inreplyto != NULL && w & GINREPLYTO)