119   file-1

   119   file-1

   120   file-2

   120   file-2

   121   file-3

   121   file-3

   122   $ $NO_FALLBACK rhg cat -r cf8b83 file-2

   122   $ $NO_FALLBACK rhg cat -r cf8b83 file-2

   123   2

   123   2

   124   $ $NO_FALLBACK rhg cat -r c file-2

   126   $ $NO_FALLBACK rhg cat -r c file-2

   125   abort: ambiguous revision identifier: c

   127   abort: ambiguous revision identifier: c

   126   [255]

   128   [255]

   127   $ $NO_FALLBACK rhg cat -r d file-2

   129   $ $NO_FALLBACK rhg cat -r d file-2

   128   2

   130   2