code: private static boolean isArticleLink(String linkedArticleTitle, 
                                           String linkingArticleTitle) {
          if (isArticleLink(linkedArticleTitle)) {
              int colonIndex = linkedArticleTitle.indexOf(":");
              if (colonIndex >= 0 &&
                  Pattern.matches("[a-z]*", 
                                  linkedArticleTitle.substring(0, colonIndex)))
                  return false;
              else 
                  return !linkedArticleTitle.endsWith(":" + linkingArticleTitle);
          }
          return false;
      }
docs: Returns {@code true} if the article's title does not begin with a known
  set of non-article prefixes and the link does not match the foreign
  language code tempate of [[languagcode:LinkingArticleName]].  This method
  acts as a rough heuristic for assessing the type of link in a document.
  
  @param linkingArticleTitle the name of the article that contains the link