if (nt->cat == CAT_SPACE || nt->cat == CAT_EOL)
break;
if (prev_x && (prev_x->cat == CAT_COMMENT) && (nt->cat != CAT_COMMENT))
if (nt->cat == CAT_SPACE || nt->cat == CAT_EOL)
break;
if (prev_x && (prev_x->cat == CAT_COMMENT) && (nt->cat != CAT_COMMENT))