reachable.hon commit Shorten two over-long lines in git-bisect-lk2009.txt by abbreviating some sha1 (9fa9728)
   1#ifndef REACHEABLE_H
   2#define REACHEABLE_H
   3
   4struct progress;
   5extern void mark_reachable_objects(struct rev_info *revs, int mark_reflog, struct progress *);
   6
   7#endif