if !strings.HasPrefix(res, "// ") {
		dr.t.Fatalf("malformed line %s:%d, no comment: %s", dr.p, dr.ln, res)
	}
	return res[3:]
}

// readObjBlob reads in a series of commented lines until
// it hits a delimiter, then returns the contents of the comments.
func (dr *dumpReader) readObjBlob(delim string) (string, error) {
	var sb strings.Builder
	foundDelim := false
	for dr.scan() {
		line := dr.curLine()
		if delim == line {