RE: "branch" field in the admin section of RCS files... What's it for?

[鯉江英隆]

  From:       "Russell Yanofsky" <rey4@columbia.edu>
  Subject:    "branch" field in the admin section of RCS files... What..
  Date:       Sun, 29 Jul 2001 16:08:44 +0900
  Message-Id: <PIEOLPFLHIPBOAPLEJDKGEAOCCAA.rey4@columbia.edu>

  | which means the branch field is optional and can hold at most a single
  | revision number. But if a the file has multiple branches, which branch
  | number should be inserted there? What does it mean if one branch number is
  | there as opposed to another one? Why is the field even neccessary at all?

       admin     ::=  head       {num};
                      { branch   {num}; }
                      access     {id}*;
                      symbols    {sym : num}*;
                      locks      {id : num}*;  {strict  ;}
                      { comment  {string}; }
                      { expand   {string}; }
                      { newphrase }*


branches are recorded on "symbols" field.
"branch" field specifies which branch is used when "-r" option is omitted.

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