code: public String shortKey(String keyName) {
  
          String value = keyDefault(keyName + CmsMessages.KEY_SHORT_SUFFIX, (String)null);
          if (value == null) {
              // short key value not found, return "long" key value
              return key(keyName);
          }
          return value;
      }
docs: Get a localized short key value for the workplace.<p>
  
  @param keyName name of the key
  @return a localized short key value