code: public static String getDescription(String keyword, ApplicationContext context, Map<String, String> beanMap) {
          KeywordInfo keywordInfo = getKeywordInfo(keyword, context, beanMap);
  
          if(keywordInfo == null) {
              return "";
          }
  
          String desc = keywordInfo.description();
  
          if(desc.startsWith("classpath:")) {
              try {
                  ResourceEditor editor = new ResourceEditor();
                  editor.setAsText(desc);
                  Resource r = (Resource) editor.getValue();
  
                  return IOUtils.toString(r.getInputStream());
              } catch (Exception ignored) {
              }
          }
  
          return desc;
      }
docs: Retrieves the given keyword's description.
  
  @param keyword keyword name
  @param context Spring application context
  @param beanMap keyword name to bean name mapping
  @return the documentation string of the given keyword, or empty string if unavailable.