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Version History:

 1.0 2007-06-04 first version.

 1.1 2007-07-26 add annotations

 1.2 2007-08-20 tidy

 1.3 2008-01-01

 1.4 2008-01-01

 1.5 2008-01-01

 1.6 2008-01-11 add support for hex and octal numerics.

 1.7 2008-04-18 get JDisplay and CSS font renderings in closer sync

 1.8 2009-08-30 tone down colour for keywords.

 1.9 2011-11-22 delete potentially tampered .html files.

 2.0 2012-04-28 put in checks to deal with dirs with no snippets.

 2.1 2014-08-01 switch from Adler32 to FNV1a64 checksums

 2.2 2014-08-01 change *.html to *.htm, *.adler to *.checksum, use 64bit FNV1a64 checksums.

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