@ <a name='commands'></a>
    @ <h1>Available commands:</h1>
    @ <table border="0"><tr>
    for(i=j=0; i<MX_COMMAND; i++){
      const char *z = aCommand[i].zName;
      if( '/'==*z || strncmp(z,"test",4)==0 ) continue;
      if( (aCommand[i].eCmdFlags & CMDFLAG_SETTING)!=0 ) continue;
      j++;
    }
    n = (j+5)/6;
    for(i=j=0; i<MX_COMMAND; i++){
      const char *z = aCommand[i].zName;
      const char *zBoldOn  = aCommand[i].eCmdFlags&CMDFLAG_1ST_TIER?"<b>" :"";
      const char *zBoldOff = aCommand[i].eCmdFlags&CMDFLAG_1ST_TIER?"</b>":"";
      if( '/'==*z || strncmp(z,"test",4)==0 ) continue;
      if( (aCommand[i].eCmdFlags & CMDFLAG_SETTING)!=0 ) continue;
      if( j==0 ){
        @ <td valign="top"><ul>
      }
      @ <li><a href="%R/help?cmd=%s(z)">%s(zBoldOn)%s(z)%s(zBoldOff)</a></li>
      j++;
      if( j>=n ){
        @ </ul></td>

**
** Display information on how to use TOPIC, which may be a command, webpage, or
** setting.  Webpage names begin with "/".  To display a list of available
** topics, use one of:
**
**    %fossil help                Show common commands
**    %fossil help -a|--all       Show both common and auxiliary commands
**    %fossil help -s|--setting   Show setting names
**    %fossil help -t|--test      Show test commands only
**    %fossil help -x|--aux       Show auxiliary commands only
**    %fossil help -w|--www       Show list of webpages
*/
void help_cmd(void){
  int rc;
  int isPage = 0;