if( g.argc<3 ){
    usage("new|list ...");
  }
  n = strlen(g.argv[2]);
  if( n>=2 && strncmp(g.argv[2],"new",n)==0 ){
    branch_new();
  }else if( n>=2 && strncmp(g.argv[2],"list",n)==0 ){
    Stmt q;
    db_prepare(&q,
      "%s"
      "   AND blob.rid IN (SELECT rid FROM tagxref"
      "                     WHERE tagid=%d AND tagtype==1)"
      " ORDER BY event.mtime DESC",
      timeline_query_for_tty(), TAG_NEWBRANCH
    );
    print_timeline(&q, 2000);
    db_finalize(&q);
  }else{
    fossil_panic("branch subcommand should be one of: "
                 "new list");
  }
}

      blob_reset(&b);
    }
    g.aCommitFile[ii-2] = 0;
  }
}

/*
** Return true if the check-in with RID=rid has no child
** check-ins which are not tagged with "newbranch".  In other words,
** return true if the check-in is a leaf.
*/
int is_a_leaf(int rid){
  return !db_exists(
    "SELECT 1 FROM plink"
    " WHERE pid=%d"
      " AND NOT EXIST("
                     "SELECT 1 FROM tagxref"
                     " WHERE tagxref.rid=plink.cid"
                     "   AND tagxref.tagid=%d"
                     "   AND tagxref.tagtype=1"

    );
    if( strlen(blob_str(&unmodified)) ){
      fossil_panic("file %s has not changed", blob_str(&unmodified));
    }
  }

  vid = db_lget_int("checkout", 0);
  if( !is_a_leaf(vid) ){
    wouldFork=1;
    if( forceFlag==0 ){
      fossil_fatal("would fork.  \"update\" first or use -f or --force.");
    }
  }
  vfile_aggregate_checksum_disk(vid, &cksum1);
  if( zComment ){

  }
  if( showClosed || showAll ){
    style_submenu_element("Open", "Open", "leaves");
  }
  style_header("Leaves");
  login_anonymous_available();
  compute_leaves(0, showAll ? 0 : showClosed ? 2 : 1);
  @ <table width="33%%" align="right" border="1">
  @ <tr><td>
  @ <b>Nomenclature:</b>
  @ <ol>
  @ <li> A <b>leaf</b> is a check-in with no descendants.</li>
  @ <li> An <b>open leaf</b> is a leaf that does not have a "closed" tag
  @ and is thus assumed to still be in use.</li>
  @ <li> A <b>closed leaf</b> has a "closed" tag and is thus assumed to
  @ be historical and no longer in active use.</li>
  @ </ol>
  @ </td></tr></table>
  if( showAll ){
    @ <h1>All leaves, both open and closed</h1>
  }else if( showClosed ){
    @ <h1>Closed leaves only</h1>
  }else{
    @ <h1>All open leaves</h1>
  }
  db_prepare(&q,
    "%s"
    "   AND blob.rid IN leaves"
    " ORDER BY event.mtime DESC",
    timeline_query_for_www()
  );
  www_print_timeline(&q);
  db_finalize(&q);
  @ <br clear="both">
  @ <script>
  @ function xin(id){
  @ }
  @ function xout(id){
  @ }
  @ </script>
  style_footer();
}

*/
void vedit_page(void){
  int rid;
  const char *zComment;
  const char *zNewComment;
  const char *zUser;
  const char *zNewUser;
  const char *zColor;
  const char *zNewColor;
  int fPropagateColor;
  char *zUuid;
  Blob comment;
  static const struct SampleColors {
     const char *zCName;
     const char *zColor;
  } aColor[] = {
     { "(none)",  "" },
     { "#c0ffc0", "#c0ffc0" },
     { "#c0fff0", "#c0fff0" },
     { "#c0f0ff", "#c0f0ff" },
     { "#d0c0ff", "#d0c0ff" },
     { "#ffc0ff", "#ffc0ff" },
     { "#ffc0d0", "#ffc0d0" },
     { "#fff0c0", "#fff0c0" },
     { "#f0ffc0", "#f0ffc0" },
  };
  int i;
  
  login_check_credentials();
  if( !g.okWrite ){ login_needed(); return; }
  rid = atoi(PD("r","0"));
  zComment = db_text(0, "SELECT coalesce(ecomment,comment)"
                        "  FROM event WHERE objid=%d", rid);
  if( zComment==0 ) fossil_redirect_home();
  zNewComment = PD("c",zComment);
  zUser = db_text(0, "SELECT coalesce(euser,user)"
                     "  FROM event WHERE objid=%d", rid);
  if( zUser==0 ) fossil_redirect_home();
  zNewUser = PD("u",zUser);
  zColor = db_text("", "SELECT bgcolor"
                        "  FROM event WHERE objid=%d", rid);
  zNewColor = PD("clr",zColor);
  fPropagateColor = P("pclr")!=0;
  zUuid = db_text(0, "SELECT uuid FROM blob WHERE rid=%d", rid);
  if( P("cancel") ){
    cgi_redirectf("vinfo?name=%d", rid);
  }
  if( P("apply") ){
    Blob ctrl;
    char *zDate;
    int nChng = 0;

    login_verify_csrf_secret();
    blob_zero(&ctrl);
    zDate = db_text(0, "SELECT datetime('now')");
    zDate[10] = 'T';
    blob_appendf(&ctrl, "D %s\n", zDate);
    if( zNewColor[0] && strcmp(zColor,zNewColor)!=0 ){
      nChng++;
      if( fPropagateColor ){
        blob_appendf(&ctrl, "T *bgcolor %s %F\n", zUuid, zNewColor);
      }else{
        blob_appendf(&ctrl, "T +bgcolor %s %F\n", zUuid, zNewColor);
      }
    }
    if( strcmp(zComment,zNewComment)!=0 ){
      nChng++;
      blob_appendf(&ctrl, "T +comment %s %F\n", zUuid, zNewComment);
    }
    if( strcmp(zUser,zNewUser)!=0 ){
      nChng++;
      blob_appendf(&ctrl, "T +user %s %F\n", zUuid, zNewUser);
    }
    if( zNewColor[0]==0 && zColor[0]!=0 ){
      nChng++;
      blob_appendf(&ctrl, "T -bgcolor %s\n", zUuid);
    }
    if( nChng>0 ){
      int nrid;
      Blob cksum;
      blob_appendf(&ctrl, "U %F\n", g.zLogin);
      md5sum_blob(&ctrl, &cksum);
      blob_appendf(&ctrl, "Z %b\n", &cksum);
      db_begin_transaction();
      nrid = content_put(&ctrl, 0, 0);
      manifest_crosslink(nrid, &ctrl);
      db_end_transaction(0);
    }
    cgi_redirectf("vinfo?name=%d", rid);
  }
  blob_zero(&comment);
  blob_append(&comment, zNewComment, -1);
  zUuid[10] = 0;
  style_header("Edit Baseline [%s]", zUuid);
  if( P("preview") ){
    @ <b>Preview:</b>
    @ <blockquote>
    @ <table border=0>
    if( zNewColor && zNewColor[0] ){
      @ <tr><td bgcolor="%h(zNewColor)">
    }else{
      @ <tr><td>
    }
    wiki_convert(&comment, 0, WIKI_INLINE);
    @ (user: %h(zNewUser))
    @ </td></tr></table>
    @ </blockquote>
    @ <hr>
  }
  @ <p>Make changes to attributes of check-in
  @ [<a href="vinfo?name=%d(rid)">%s(zUuid)</a>]:</p>

  @ <form action="%s(g.zBaseURL)/vedit" method="POST">
  login_insert_csrf_secret();
  @ <input type="hidden" name="r" value="%d(rid)">
  @ <table border="0" cellspacing="10">

  @ <tr><td align="right" valign="top"><b>User:</b></td>
  @ <td valign="top">
  @   <input type="text" name="u" size="20" value="%h(zNewUser)">
  @ </td></tr>

  @ <tr><td align="right" valign="top"><b>Comment:</b></td>
  @ <td valign="top">
  @ <textarea name="c" rows="10" cols="80">%h(zNewComment)</textarea>
  @ </td></tr>

  @ <tr><td align="right" valign="top"><b>Background Color:</b></td>
  @ <td valign="top">
  @ <table border=0 cellpadding=0 cellspacing=1>
  @ <tr>
  for(i=0; i<sizeof(aColor)/sizeof(aColor[0]); i++){
    if( aColor[i].zColor[0] ){
      @ <td bgcolor="%h(aColor[i].zColor)">
    }else{
      @ <td>
    }
    if( strcmp(zNewColor, aColor[i].zColor)==0 ){
      @ <input type="radio" name="clr" value="%h(aColor[i].zColor)" checked>
    }else{
      @ <input type="radio" name="clr" value="%h(aColor[i].zColor)">
    }
    @ %h(aColor[i].zCName)</input></td>
  }
  @ </tr><tr><td colspan="9" align="left">
  if( fPropagateColor ){
    @ <input type="checkbox" name="pclr" checked>
  }else{
    @ <input type="checkbox" name="pclr">
  }
  @ Propagate color to descendants</input></td></tr>
  @ </table>
  @ </td></tr>

  @ <tr><td colspan="2">
  @ <input type="submit" name="preview" value="Preview">
  @ <input type="submit" name="apply" value="Apply Changes">
  @ <input type="submit" name="cancel" value="Cancel">
  @ </td></tr>
  @ </table>
  @ </form>
  style_footer();
}

      while( db_step(&q)==SQLITE_ROW ){
        int cid = db_column_int(&q, 0);
        add_mlink(rid, &m, cid, 0);
      }
      db_finalize(&q);
      db_multi_exec(
        "REPLACE INTO event(type,mtime,objid,user,comment,"
        "                  bgcolor,euser,ecomment)"
        "VALUES('ci',%.17g,%d,%Q,%Q,"
        " (SELECT value FROM tagxref WHERE tagid=%d AND rid=%d AND tagtype>0),"

        "  (SELECT value FROM tagxref WHERE tagid=%d AND rid=%d),"
        "  (SELECT value FROM tagxref WHERE tagid=%d AND rid=%d));",
        m.rDate, rid, m.zUser, m.zComment, 
        TAG_BGCOLOR, rid,
        TAG_BRBGCOLOR, rid,
        TAG_USER, rid,
        TAG_COMMENT, rid
      );
    }
  }
  if( m.type==CFTYPE_CLUSTER ){
    tag_insert("cluster", 1, 0, rid, m.rDate, rid);

    );
    if( prior ){
      content_deltify(prior, rid, 0);
    }
    zComment = mprintf("Changes to wiki page [%h]", m.zWikiTitle);
    db_multi_exec(
      "REPLACE INTO event(type,mtime,objid,user,comment,"
      "                  bgcolor,euser,ecomment)"
      "VALUES('w',%.17g,%d,%Q,%Q,"
      "  (SELECT value FROM tagxref WHERE tagid=%d AND rid=%d AND tagtype>1),"

      "  (SELECT value FROM tagxref WHERE tagid=%d AND rid=%d),"
      "  (SELECT value FROM tagxref WHERE tagid=%d AND rid=%d));",
      m.rDate, rid, m.zUser, zComment, 
      TAG_BGCOLOR, rid,
      TAG_BGCOLOR, rid,
      TAG_USER, rid,
      TAG_COMMENT, rid

@ --
@ CREATE TABLE event(
@   type TEXT,                      -- Type of event
@   mtime DATETIME,                 -- Date and time when the event occurs
@   objid INTEGER PRIMARY KEY,      -- Associated record ID
@   uid INTEGER REFERENCES user,    -- User who caused the event
@   bgcolor TEXT,                   -- Color set by 'bgcolor' property

@   euser TEXT,                     -- User set by 'user' property
@   user TEXT,                      -- Name of the user
@   ecomment TEXT,                  -- Comment set by 'comment' property
@   comment TEXT                    -- Comment describing the event
@ );
@ CREATE INDEX event_i1 ON event(mtime);
@

;

/*
** Predefined tagid values
*/
#if INTERFACE
# define TAG_BGCOLOR    1     /* Set the background color for display */
# define TAG_BRBGCOLOR  2     /* Background color for branches */
# define TAG_COMMENT    3     /* The check-in comment */
# define TAG_USER       4     /* User who made a checking */
# define TAG_HIDDEN     5     /* Do not display or sync */
# define TAG_PRIVATE    6     /* Display but do not sync */
# define TAG_CLUSTER    7     /* A cluster */
# define TAG_NEWBRANCH  8     /* First check-in of a new named branch */
# define TAG_CLOSED     9     /* Do not display this check-in as a leaf */
#endif
#if EXPORT_INTERFACE
# define MAX_INT_TAG    9     /* The largest pre-assigned tag id */
#endif

/*
** The schema for the locate FOSSIL database file found at the root
** of very check-out.  This database contains the complete state of
** the checkout.
*/

    zValue = 0;
    db_prepare(&ins,
       "DELETE FROM tagxref WHERE tagid=%d AND rid=:rid", tagid
    );
  }
  if( tagid==TAG_BGCOLOR ){
    db_prepare(&eventupdate,
      "UPDATE event SET bgcolor=%Q WHERE objid=:rid", zValue
    );
  }
  while( (pid = pqueue_extract(&queue))!=0 ){
    db_bind_int(&s, ":pid", pid);
    while( db_step(&s)==SQLITE_ROW ){
      int doit = db_column_int(&s, 2);
      if( doit ){

  db_finalize(&s);
  if( tagtype==0 ){
    zValue = 0;
  }
  zCol = 0;
  switch( tagid ){
    case TAG_BGCOLOR: {

      zCol = "bgcolor";



      break;
    }
    case TAG_COMMENT: {
      zCol = "ecomment";
      break;
    }
    case TAG_USER: {

}

#undef TAGVIEW_DEFAULT_FILTER

/*
** Generate a timeline for the chosen tag
*/
void tagview_print_timeline(char const *zName, char const *zPrefix){
  char *zSql;
  Stmt q;
  int tagid = db_int(0, "SELECT tagid FROM tag WHERE tagname='%q%q'",
                        zPrefix, zName);
  zSql = mprintf("%s AND EXISTS (SELECT 1"
         " FROM tagxref"
         "  WHERE tagxref.rid = event.objid"
         "  AND tagxref.tagtype > 0"
         "  AND tagxref.tagid = %d"

         " ORDER BY 3 desc",
         timeline_query_for_www(), tagid
  );
  db_prepare(&q, zSql);
  free(zSql);
  www_print_timeline(&q);
  db_finalize(&q);
}

/*

**    6.  Number of parents
**    7.  True if is a leaf
**    8.  background color
**    9.  type ("ci", "w")
**   10.  list of symbolic tags.
*/
void www_print_timeline(
  Stmt *pQuery          /* Query to implement the timeline */
){
  int wikiFlags;
  int mxWikiLen;
  Blob comment;
  char zPrevDate[20];
  zPrevDate[0] = 0;

    @   uuid,
    @   datetime(event.mtime,'localtime') AS timestamp,
    @   coalesce(ecomment, comment),
    @   coalesce(euser, user),
    @   (SELECT count(*) FROM plink WHERE pid=blob.rid AND isprim=1),
    @   (SELECT count(*) FROM plink WHERE cid=blob.rid),
    @   NOT EXISTS (SELECT 1 FROM plink WHERE pid=blob.rid),
    @   bgcolor,
    @   event.type,
    @   (SELECT group_concat(substr(tagname,5), ', ') FROM tag, tagxref
    @     WHERE tagname GLOB 'sym-*' AND tag.tagid=tagxref.tagid
    @       AND tagxref.rid=blob.rid AND tagxref.tagtype>0)
    @  FROM event JOIN blob 
    @ WHERE blob.rid=event.objid
  ;