*/
struct GraphRow {
  int rid;                    /* The rid for the check-in */
  i8 nParent;                 /* Number of parents.  -1 for technote lines */
  int *aParent;               /* Array of parents.  0 element is primary .*/
  char *zBranch;              /* Branch name */
  char *zBgClr;               /* Background Color */
  char zUuid[41];             /* Check-in for file ID */

  GraphRow *pNext;            /* Next row down in the list of all rows */
  GraphRow *pPrev;            /* Previous row */

  int idx;                    /* Row index.  First is 1.  0 used for "none" */
  int idxTop;                 /* Direct descendent highest up on the graph */
  GraphRow *pChild;           /* Child immediately above this node */

    "  FROM attachment"
    " WHERE src=(SELECT uuid FROM blob WHERE rid=%d)"
    " ORDER BY mtime DESC /*sort*/",
    rid
  );
  while( db_step(&q)==SQLITE_ROW ){
    const char *zTarget = db_column_text(&q, 0);
    int nTarget = db_column_bytes(&q, 0);
    const char *zFilename = db_column_text(&q, 1);
    const char *zDate = db_column_text(&q, 2);
    const char *zUser = db_column_text(&q, 3);
    /* const char *zSrc = db_column_text(&q, 4); */
    if( cnt>0 ){
      @ Also attachment "%h(zFilename)" to
    }else{
      @ Attachment "%h(zFilename)" to
    }
    objType |= OBJTYPE_ATTACHMENT;
    if( nTarget==UUID_SIZE && validate16(zTarget,UUID_SIZE) ){
      if ( db_exists("SELECT 1 FROM tag WHERE tagname='tkt-%q'",
            zTarget)
      ){
        if( g.perm.Hyperlink && g.anon.RdTkt ){
          @ ticket [%z(href("%R/tktview?name=%!S",zTarget))%S(zTarget)</a>]
        }else{
          @ ticket [%S(zTarget)]

**
** Show the details of a ticket change control artifact.
*/
void tinfo_page(void){
  int rid;
  char *zDate;
  const char *zUuid;
  char zTktName[UUID_SIZE+1];
  Manifest *pTktChng;
  int modPending;
  const char *zModAction;
  char *zTktTitle;
  login_check_credentials();
  if( !g.perm.RdTkt ){ login_needed(g.anon.RdTkt); return; }
  rid = name_to_rid_www("name");
  if( rid==0 ){ fossil_redirect_home(); }
  zUuid = db_text("", "SELECT uuid FROM blob WHERE rid=%d", rid);
  if( g.perm.Admin ){
    if( db_exists("SELECT 1 FROM shun WHERE uuid=%Q", zUuid) ){
      style_submenu_element("Unshun", "%s/shun?accept=%s&sub=1#accshun",
            g.zTop, zUuid);
    }else{
      style_submenu_element("Shun", "%s/shun?shun=%s#addshun", g.zTop, zUuid);
    }
  }
  pTktChng = manifest_get(rid, CFTYPE_TICKET, 0);
  if( pTktChng==0 ) fossil_redirect_home();
  zDate = db_text(0, "SELECT datetime(%.12f)", pTktChng->rDate);
  memcpy(zTktName, pTktChng->zTicketUuid, UUID_SIZE+1);
  if( g.perm.ModTkt && (zModAction = P("modaction"))!=0 ){
    if( strcmp(zModAction,"delete")==0 ){
      moderation_disapprove(rid);
      /*
      ** Next, check if the ticket still exists; if not, we cannot
      ** redirect to it.
      */

#  include "tcl.h"
#endif
#ifdef FOSSIL_ENABLE_JSON
#  include "cson_amalgamation.h" /* JSON API. */
#  include "json_detail.h"
#endif

/*
** Size of a UUID in characters.   A UUID is a randomly generated
** lower-case hexadecimal number used to identify tickets.
**
** In Fossil 1.x, UUID also referred to a SHA1 artifact hash.  But that
** usage is now obsolete.  The term UUID should now mean only a very large
** random number used as a unique identifier for tickets or other objects.
*/
#define UUID_SIZE 40

/*
** Maximum number of auxiliary parameters on reports
*/
#define MX_AUX  5

/*
** Holds flags for fossil user permissions.

      **
      ** A K-line gives the UUID for the ticket which this control file
      ** is amending.
      */
      case 'K': {
        if( p->zTicketUuid!=0 ) SYNTAX("more than one K-card");
        p->zTicketUuid = next_token(&x, &sz);
        if( sz!=UUID_SIZE ) SYNTAX("K-card UUID is the wrong size");
        if( !validate16(p->zTicketUuid, UUID_SIZE) ){
          SYNTAX("invalid K-card UUID");
        }
        break;
      }

      /*
      **     L <wikititle>

    return;
  }
  zName = P("name");
  if( P("cancel") ){
    cgi_redirectf("tktview?name=%T", zName);
  }
  style_header("Edit Ticket");
  if( zName==0 || (nName = strlen(zName))<4 || nName>UUID_SIZE
          || !validate16(zName,nName) ){
    @ <span class="tktError">Not a valid ticket id: "%h(zName)"</span>
    style_footer();
    return;
  }
  nRec = db_int(0, "SELECT count(*) FROM ticket WHERE tkt_uuid GLOB '%q*'",
                zName);

  return 1;
#else
  return fcntl(fd, F_GETFL)!=(-1) || errno!=EBADF;
#endif
}

/*
** Returns TRUE if zSym is exactly UUID_SIZE bytes long and contains
** only lower-case ASCII hexadecimal values.
*/
int fossil_is_uuid(const char *zSym){
  return zSym
    && (UUID_SIZE==strlen(zSym))
    && validate16(zSym, UUID_SIZE);
}

/*
** Return true if the input string is NULL or all whitespace.
** Return false if the input string contains text.
*/
int fossil_all_whitespace(const char *z){

  const char *zTarget,    /* Ticket UUID */
  int *pClosed            /* True if the ticket is closed */
){
  static Stmt q;
  static int once = 1;
  int n;
  int rc;
  char zLower[UUID_SIZE+1];
  char zUpper[UUID_SIZE+1];
  n = strlen(zTarget);
  memcpy(zLower, zTarget, n+1);
  canonical16(zLower, n+1);
  memcpy(zUpper, zLower, n+1);
  zUpper[n-1]++;
  if( once ){
    const char *zClosedExpr = db_get("ticket-closed-expr", "status='Closed'");

         && (zTarget[1]=='/' || (zTarget[1]=='.' && zTarget[2]=='/'))
         && (p->state & WIKI_LINKSONLY)==0 ){
    blob_appendf(p->pOut, "<a href=\"%h\">", zTarget);
  }else if( zTarget[0]=='#' ){
    blob_appendf(p->pOut, "<a href=\"%h\">", zTarget);
  }else if( is_valid_hname(zTarget) ){
    int isClosed = 0;
    if( strlen(zTarget)<=UUID_SIZE && is_ticket(zTarget, &isClosed) ){
      /* Special display processing for tickets.  Display the hyperlink
      ** as crossed out if the ticket is closed.
      */
      if( isClosed ){
        if( g.perm.Hyperlink ){
          blob_appendf(p->pOut,
             "%z<span class=\"wikiTagCancelled\">[",

    }else{
      n = nextWikiToken(z, &renderer, &tokenType);
    }
    switch( tokenType ){
      case TOKEN_LINK: {
        char *zTarget;
        int i, c;
        char zLink[42];

        zTarget = &z[1];
        for(i=0; zTarget[i] && zTarget[i]!='|' && zTarget[i]!=']'; i++){}
        while(i>1 && zTarget[i-1]==' '){ i--; }
        c = zTarget[i];
        zTarget[i] = 0;
        if( is_valid_hname(zTarget) ){