** 'error' and can be styled via a (noscript > .error) CSS selector.
*/
void style_emit_noscript_for_js_page(void){
  CX("<noscript><div class='error'>"
     "This page requires JavaScript (ES2015, a.k.a. ES6, or newer)."
     "</div></noscript>");
}

/*
** SETTING: robots-txt width=70 block-text keep-empty
**
** This setting is the override value for the /robots.txt file that
** Fossil returns when run as a stand-alone server for a domain.  As
** Fossil is seldom run as a stand-alone server (and is more commonly
** deployed as a CGI or SCGI or behind a reverse proxy) this setting
** rarely needed.  A reasonable default robots.txt is sent if this
** setting is empty.
*/

/*
** WEBPAGE: robots.txt
**
** Return text/plain which is the content of the "robots-txt" setting, if
** such a setting exists and is non-empty.  Or construct an RFC-9309 complaint
** robots.txt file and return that if there is not "robots.txt" setting.
**
** This is useful for robot exclusion in cases where Fossil is run as a
** stand-alone server in its own domain.  For the more common case where
** Fossil is run as a CGI, or SCGI, or a server that responding to a reverse
** proxy, the returns robots.txt file will not be at the top level of the
** domain, and so it will be pointless.
*/
void robotstxt_page(void){
  const char *z;
  static const char *zDflt = 
     "User-agent: *\n"
     "Allow: /doc\n"
     "Allow: /home\n"
     "Allow: /forum\n"
     "Allow: /technote\n"
     "Allow: /tktview\n"
     "Allow: /wiki\n"
     "Allow: /uv/\n"
     "Allow: /$\n"
     "Disallow: /*\n"
  ;
  z = db_get("robots-txt",zDflt);
  cgi_set_content_type("text/plain");
  cgi_append_content(z, -1);
}