docs: private boolean processShortFormTemplateCommand(String cmdLine, int cmdTPosBegin, int cmdTPosEnd)
              throws MiniTemplator.TemplateSyntaxException {
          int p0 = skipBlanks(cmdLine, 0);
          if (p0 >= cmdLine.length()) {
              return false;
          }
          int p = p0;
          char cmd1 = cmdLine.charAt(p++);
          if (cmd1 == '/' && p < cmdLine.length() && !Character.isWhitespace(cmdLine.charAt(p))) {
              p++;
          }
          String cmd = cmdLine.substring(p0, p);
          String parms = cmdLine.substring(p).trim();
          /* select */
          if (cmd.equals("?")) {
              processIfCmd(parms, cmdTPosBegin, cmdTPosEnd);
          } else if (cmd.equals(":")) {
              if (parms.length() > 0) {
                  processElseIfCmd(parms, cmdTPosBegin, cmdTPosEnd);
              } else {
                  processElseCmd(parms, cmdTPosBegin, cmdTPosEnd);
              }
          } else if (cmd.equals("/?")) {
              processEndIfCmd(parms, cmdTPosBegin, cmdTPosEnd);
          } else {
              return false;
          }
          return true;
      }