Fossil

    if( z[i]<0x20 ) return 0;
    if( z[i]==0x20 && z[i-1]==0x20 ) return 0;
  }
  if( z[i-1]==' ' ) return 0;
  if( i<3 || i>100 ) return 0;
  return 1;
}

/*
** Output rules for well-formed wiki pages
*/
static void well_formed_wiki_name_rules(void){
  @ <ul>
  @ <li> Must not begin or end with a space.
  @ <li> Must not contain any control characters, including tab or
  @      newline.
  @ <li> Must not have two or more spaces in a row internally.
  @ <li> Must be between 3 and 100 characters in length.
  @ </ul>
}

/*
** Check a wiki name.  If it is not well-formed, then issue an error
** and return true.  If it is well-formed, return false.
*/
static int check_name(const char *z){
  if( !wiki_name_is_wellformed(z) ){
    style_header("Wiki Page Name Error");
    @ The wiki name "<b>%h(z)</b>" is not well-formed.  Rules for
    @ wiki page names:
    well_formed_wiki_name_rules();






    style_footer();
    return 1;
  }
  return 0;
}

/*

    }
    @ <li> <a href="%s(g.zBaseURL)/timeline?y=w">Recent changes</a> to wiki
    @      pages. </li>
    @ <li> <a href="%s(g.zBaseURL)/wiki_rules">Formatting rules</a> for 
    @      wiki.</li>
    @ <li> Use the <a href="%s(g.zBaseURL)/wiki?name=Sandbox">Sandbox</a>
    @      to experiment.</li>
    if( g.okNewWiki ){
      @ <li>  Create a <a href="%s(g.zBaseURL)/wikinew">new wiki page</a>.</li>
    }
    @ <li> <a href="%s(g.zBaseURL)/wcontent">List of All Wiki Pages</a>
    @      available on this server.</li>
    @ </ul>
    style_footer();
    return;
  }
  if( check_name(zPageName) ) return;

  @ <input type="submit" name="cancel" value="Cancel">
  @ </form>
  if( !isSandbox ){
    manifest_clear(&m);
  }
  style_footer();
}

/*
** WEBPAGE: wikinew
** URL /wikinew
**
** Prompt the user to enter the name of a new wiki page.  Then redirect
** to the wikiedit screen for that new page.
*/
void wikinew_page(void){
  const char *zName;
  login_check_credentials();
  if( !g.okNewWiki ){
    login_needed();
    return;
  }  
  zName = PD("name","");
  if( zName[0] && wiki_name_is_wellformed(zName) ){
    cgi_redirectf("wikiedit?name=%T", zName);
  }
  style_header("Create A New Wiki Page");
  @ <p>Rules for wiki page names:
  well_formed_wiki_name_rules();
  @ </p>
  @ <form method="POST" action="%s(g.zBaseURL)/wikinew">
  @ <p>Name of new wiki page:
  @ <input type="text" width="35" name="name" value="%h(zName)">
  @ <input type="submit" value="Create">
  @ </p></form>
  if( zName[0] ){
    @ <p><b><font color="red">
    @ "%h(zName)" is not a valid wiki page name!</font></b></p>
  }
  style_footer();
}


/*
** Append the wiki text for an remark to the end of the given BLOB.
*/
static void appendRemark(Blob *p){
  char *zDate;
  const char *zUser;

    }
    cgi_redirectf("wiki?name=%T", zPageName);
  }
  if( P("cancel")!=0 ){
    cgi_redirectf("wiki?name=%T", zPageName);
    return;
  }
  zHtmlPageName = mprintf("Append Comment To: %s", zPageName);
  style_header(zHtmlPageName);
  if( P("preview")!=0 ){
    Blob preview;
    blob_zero(&preview);
    appendRemark(&preview);
    @ Preview:<hr>
    wiki_convert(&preview, 0, 0);

static const char *zWikiPageName;

/*
** Function called to output extra text at the end of each line in
** a wiki history listing.
*/
static void wiki_history_extra(int rid){
  @ <a href="%s(g.zTop)/wdiff?name=%t(zWikiPageName)&a=%d(rid)">[diff]</a>
}

/*
** WEBPAGE: whistory
** URL: /whistory?name=PAGENAME
**
** Show the complete change history for a single wiki page.