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4.5.1 Default actions of ``stock'' summarizers


The above table provides a brief reference for how documents are summarized depending on their type. These actions can be customized, as discussed in Section 4.5.4. Some summarizers are implemented as UNIX programs while others are expressed as regular expressions; see Section 4.5.4 or Appendix C.4 for more information about how to write a summarizer.

Duane Wessels
Wed Jan 31 23:46:21 PST 1996