tcsh-6.13.00-memoryuse.patch -> tcsh-6.19.00-manpage-memoryuse.patch
    
      The patch has been updated to be more clear. This is a downstream
      patch that we need to keep, it has been requested in BZ: #247637
    
      Upstream did not accept the patch, because this is specific to Linux:
    
      <http://mx.gw.com/pipermail/tcsh/2016-April/004972.html>