localhost downloaded.files # paludis -i paludis-hooks                

Unhandled exception:
  * In program paludis -i paludis-hooks:
  * When making environment from specification '':
  * When loading paludis configuration:
  * When reading keywords file '/etc/paludis/keywords.conf':
  * When adding source '/etc/paludis/keywords.conf' as a keywords file:
  * When parsing package dep spec 'virtual/c++-tr1-functional-0' with parse mode 'unspecific':
  * When splitting out category and package names from 'virtual/c++-tr1-functional-0':
  * Name 'c++-tr1-functional-0' is not a valid package name part (paludis::PackageNamePartError)