blob_appendf(&p->url, "%s%s=%T", zSep, zName1, zValue1);
  }
  if( zName2 && zValue2 ){
    blob_appendf(&p->url, "%s%s=%T", zSep, zName2, zValue2);
  }
  return blob_str(&p->url);
}

/*
** Prompt the user for the password for g.urlUser.  Store the result
** in g.urlPasswd.
*/
void url_prompt_for_password(void){
  char *zPrompt = mprintf("password for %s: ", g.urlUser);
  Blob x;
  prompt_for_password(zPrompt, &x, 0);
  free(zPrompt);
  g.urlPasswd = mprintf("%b", &x);
  blob_reset(&x);
}