SCHEME_META_IMG_START
blk += (where == SCHEME_META_IMG_START) ? nparts + 2 : 0;
if (where == SCHEME_META_IMG_START)
if (where == SCHEME_META_IMG_START || where == SCHEME_META_IMG_END) {
blk += (where == SCHEME_META_IMG_START) ? 2 : 1;
blk += (where == SCHEME_META_IMG_START) ? 1 : 0;
block = scheme_metadata(SCHEME_META_IMG_START, 0);