   local_relpath  TEXT NOT NULL,
 
   /* the repository this node is part of, and the relative path [to its
-     root] within that repository.  these may be NULL, implying it should
-     be derived from the parent and local_relpath.  non-NULL typically
-     indicates a switched node.
+     root] within revision "revnum" of that repository.  These may be NULL,
+     implying they should be derived from the parent and local_relpath.
+     Non-NULL typically indicates a switched node.
 
      Note: they must both be NULL, or both non-NULL. */
   repos_id  INTEGER REFERENCES REPOSITORY (id),


     not-present: the node (or parent) was originally copied or moved-here.
       A subtree of that source has since been deleted. There may be
       underlying BASE node to replace. For an add-without-history, the
       records are simply removed rather than switched to not-present.
       Note this reflects a deletion only. It is not possible move-away
       nodes from the WORKING tree. The purported destination would receive

  /* the kind of the new node. may be "unknown" if the node is not present. */
  kind  TEXT NOT NULL,

  /* The SHA-1 checksum of the pristine text, if this node is a file and was
     moved here or copied here, else NULL. */
  checksum  TEXT,

  /* The size in bytes of the working file when it had no local text
     modifications. This means the size of the text when translated from
     repository-normal format to working copy format with EOL style
     translated and keywords expanded according to the properties in the
     "properties" column of this row.

     NULL if this node is not a file, or is not moved here or copied here,
     or if the size has not (yet) been computed. */
  translated_size  INTEGER,

  /* If this node was moved here or copied here, then the following fields may
     have information about their source node. See BASE_NODE.changed_* for
     more information.

     For an added or not-present node, these are null.  */
  changed_rev  INTEGER,
  changed_date  INTEGER,  /* an APR date/time (usec since 1970) */
  changed_author  TEXT,
