Documentation / technical / api-run-command.txton commit git-filter-branch.sh: more portable tr usage: use \012, not \n. (e8a3f90)
   1run-command API
   2===============
   3
   4Talk about <run-command.h>, and things like:
   5
   6* Environment the command runs with (e.g. GIT_DIR);
   7* File descriptors and pipes;
   8* Exit status;
   9
  10(Hannes, Dscho, Shawn)