candidate checklink release notes

Extracted from the changelog, here are release notes for checklink 4.0.
Could you check them?

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** highlight in announcement **
  Implementation for support for robots exclusion standard
  recursion, redirection, negotiation and authentication bug fixes
  Accessibility, Style, navigation, and documentation improvements


** Full Release notes **

- Feature set modification
  + Implementation for support for robots exclusion standard
  + (Better) handling of non-HTTP error codes
  + Changed sleep time behaviour. Made sleep time between requests to 
each server configurable in command line. Default is 1 second.
  + New command line option (--exclude-docs)


- Bug fixes
  + Fixed bug in recursion logic 
(http://lists.w3.org/Archives/Public/www-validator/2004Jun/0181.html)
  + Redirect loops are no longer a problem with the link checker and 
libwww-perl 5.76
  + Other: negotiation/authentication bug fixes


- Documentation, interface
  + Added/revised accesskeys 
(l=linkchecker,i=download/install,d=docs,m=markup validator,s=skip 
navigation)
  + Markup improvements
  + Style now matching the Markup Validator's
  + Associated all labels explicitly with their controls as recommended 
by WCAG 1.0
  + Added instructions how to allow us in /robots.txt
  + Improved the "Trusted" domain documentation.
  + Added download instructions


- Others
     Checklink now requires libwww-perl >= 5.60

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Thanks,
-- 
olivier