Andrew's git / gitweb.git / Documentation/technical/api-revision-walking.txt
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Documentation / technical / api-revision-walking.txton commit builtin-show-branch.c: guard config parser from value=NULL (4f9c412)
   1revision walking API
   2====================
   3
   4Talk about <revision.h>, things like:
   5
   6* two diff_options, one for path limiting, another for output;
   7* calling sequence: init_revisions(), setup_revsions(), get_revision();
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   9(Linus, JC, Dscho)