###
9.3.2 Echo and BigEcho

The template:

      #errorCatcher Echo
      $noValue
      #errorCatcher BigEcho
      $noValue

The output:

      $noValue
      ===============&lt;$noValue could not be found&gt;===============

The generated code:

      if self._errorCatchers.has_key("Echo"):
          self._errorCatcher = self._errorCatchers["Echo"]
      else:
          self._errorCatcher = self._errorCatchers["Echo"] = ErrorCatchers.Echo(self)
      write(filter(self.__errorCatcher1(localsDict=locals())))
          # generated from '$noValue' at line 2, col 1.
      write('\n')
      if self._errorCatchers.has_key("BigEcho"):
          self._errorCatcher = self._errorCatchers["BigEcho"]
      else:
          self._errorCatcher = self._errorCatchers["BigEcho"] = \
              ErrorCatchers.BigEcho(self)
      write(filter(self.__errorCatcher1(localsDict=locals())))
              # generated from '$noValue' at line 4, col 1.
      write('\n')