** This URL will include query parameters such as "id=" and "once&skin="
** to cause the correct stylesheet to be loaded after a skin change
** or after a change to the stylesheet.
*/
static void stylesheet_url_var(void){
  char *zBuiltin;              /* Auxiliary page-specific CSS page */
  Blob url;                    /* The URL */
  const char * zPage = local_zCurrentPage ? local_zCurrentPage : g.zPath;

  /* Initialize the URL to its baseline */
  url = empty_blob;
  blob_appendf(&url, "%R/style.css");

  /* If page-specific CSS exists for the current page, then append
  ** the pathname for the page-specific CSS.  The default CSS is
  **
  **     /style.css
  **
  ** But for the "/wikiedit" page (to name but one example), we
  ** append a path as follows:
  **
  **     /style.css/wikiedit
  **
  ** The /style.css page (implemented below) will detect this extra "wikiedit"
  ** path information and include the page-specific CSS along with the
  ** default CSS when it delivers the page.
  */
  zBuiltin = mprintf("style.%s.css", zPage);
  if( builtin_file(zBuiltin,0)!=0 ){
    blob_appendf(&url, "/%s", zPage);
  }
  fossil_free(zBuiltin);

  /* Add query parameters that will change whenever the skin changes
  ** or after any updates to the CSS files
  */
  blob_appendf(&url, "?id=%x", skin_id("css"));