BODR 9
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- create test-sheet to check our bo:mass values (including the error-values)
  against the one in http://www.chem.qmul.ac.uk/iupac/AtWt/
- implement spell check of our database (aspell, ispell? - aspell can
  handle XML)
- http://physics.nist.gov/cgi-bin/Compositions/stand_alone.pl?ele=&all=all&ascii=html&isotype=some

BODR 8
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- integrate typing, residues, etc
- add a XSLT to create HTML for the element and isotope lists
- add help on how XSLT can be used to create TXT
- have the Schematron check for undefined dictionary references
  (Schematron/xmllint does not seem to like the document() function :( )
- check bug reports on SF