---- Version History: 1.3 2007-05-05 add iformat rendering, use of snippet/ser and snippet/iformat. 1.4 2007-07-26 tidy code, add standard id fields. 1.5 2008-01-11 add support for hex and octal numerics. 1.6 2008-04-18 get JDisplay and CSS font renderings in closer sync 1.7 2009-04-12 shorter style names, improved highlighting. 1.8 2009-08-30 tone down colour for keywords. 1.9 2014-08-01 change *.html to *.htm, *.adler to *.checksum, use 64bit FNV1a64 checksums. -30-