}

/*
** WEBPAGE: help
** URL: /help?cmd=CMD
*/
void help_page(void){
    const char * zCmd = P("cmd");
    
    style_header("Command line help %s%s",zCmd?" - ":"",zCmd?zCmd:"");
    if( zCmd  && zCmd[0] && strcmp(zCmd,"test") ){
      int rc, idx;

      rc = name_search(zCmd, aCommand, count(aCommand), &idx);
      if( rc==1 ){
        @ <h1>unknown command: %s(zCmd)</h1>
      }else if( rc==2 ){
        @ <h1>ambiguous command prefix: %s(zCmd)</h1>
      }else{
        char *zSrc, *zDest;
        int src,dest,len;


        @ <h1>%s(aCommand[idx].zName)</h1>
        zSrc = (char*)aCmdHelp[idx];
        if( zSrc==0 || *zSrc==0 ){
          @ no help available for the %s(aCommand[idx].zName) command
        }else{
          len = strlen(zSrc);
          zDest = malloc(len+1);

          for(src=dest=0;zSrc[src];){
            if( zSrc[src]=='%' && strncmp(zSrc+src, "%fossil", 7)==0 ){
              src++; /* skip % for fossil argv[0] expansion */
            }else if( zSrc[src]=='<' && strncmp(zSrc+src, "</a>", 3)==0 ){

              src += 4;
              zDest[dest++]='<';
              zDest[dest++]='/';
              zDest[dest++]='a';
              zDest[dest++]='>';
              zDest[dest++]='"';
            }else if( zSrc[src]=='<' && strncmp(zSrc+src, "<a ", 3)==0 ){

              len += 2;
	      zDest=realloc(zDest,len);
              zDest[dest++]='"';
              while( zSrc[src] && zSrc[src]!='>' ){
                zDest[dest++]=zSrc[src++];
              }
              if( zSrc[src] ) zDest[dest++]=zSrc[src++];
            }else if( zSrc[src]=='<' && strncmp(zSrc+src, "<a>", 3)==0 ){
              /* found an internal command cross reference,
              ** create an additional link
              */
              int start;


              len+=80;
              zDest=realloc(zDest,len);
              zDest[dest++]='"';
              zDest[dest++]=zSrc[src++]; /* < */
              zDest[dest++]=zSrc[src++]; /* a */
              zDest[dest++]=' ';
              zDest[dest++]='h';
              zDest[dest++]='r';
              zDest[dest++]='e';
              zDest[dest++]='f';

              zDest[dest++]='=';
              zDest[dest++]='"';
              zDest[dest++]='h';
              zDest[dest++]='e';
              zDest[dest++]='l';
              zDest[dest++]='p';
              zDest[dest++]='?';
              zDest[dest++]='c';
              zDest[dest++]='m';
              zDest[dest++]='d';
              zDest[dest++]='=';
              start = src+1;
              for( src=start; zSrc[src] && zSrc[src]!='<'; ){
                zDest[dest++]=zSrc[src++]; /* command name */
              }
              zDest[dest++]='"';
              zDest[dest++]='>';
              for( src=start; zSrc[src] && zSrc[src]!='<'; ){
                zDest[dest++]=zSrc[src++]; /* command name */
              }




            }else{
              zDest[dest++] = zSrc[src++];
            }
          }
          zDest[dest] = 0;

          @ <div class="cmdhelp">%s(zDest)</div>
          free(zDest);
          @ <hr/>additional information may be found in the web documentation:
          @ <a href="http://www.fossil-scm.org/fossil/doc/tip/www/cmd_%s(aCommand[idx].zName).wiki">
          @ cmd_%s(aCommand[idx].zName)</a>, 
        }
      }
      @ see also the list of
      @ <a href="help">available commands</a> in fossil
      @ version %s(MANIFEST_VERSION" "MANIFEST_DATE) UTC
    }else{
      int nCol, nRow, i, ignored, cnt, showTest;
      
      /* detect, if we show normal or test commands */
      showTest = ( zCmd  && !strncmp(zCmd,"test",4) );
      for( i=0,ignored=0; i<count(aCommand); i++){
        if( (strncmp(aCommand[i].zName,"test",4)==0) ^ showTest ) ignored++;
      }
      nCol = 4;
      nRow = (count(aCommand)-ignored+nCol-1)/nCol;
      @ <h1>Available commands</h1>
      @ <table class="browser"><tr><td class="browser"><ul class="browser">
      for( i=cnt=0; i<count(aCommand); i++ ){
        if( cnt==nRow ){
          @ </ul></td><td class="browser"><ul class="browser">
          cnt=0;
        }
        if( (strncmp(aCommand[i].zName,"test",4)==0) ^ showTest ) continue;
        @ <li><kbd><a href="help?cmd=%s(aCommand[i].zName)">
        @ %s(aCommand[i].zName)</a></kbd></li>
        cnt++;
      }
      @ </ul></td></tr></table>
      if( showTest ){
        @ <a href="help">show standard commands</a>
      }else{
        @ <a class="hidden" href="help?cmd=test">show test commands</a>
      }
      @ <hr/>fossil version %s(MANIFEST_VERSION" "MANIFEST_DATE) UTC
    }
    style_footer();
}

/*
** Set the g.zBaseURL value to the full URL for the toplevel of
** the fossil tree.  Set g.zTop to g.zBaseURL without the
** leading "http://" and the host and port.
*/