The ISBN 1.6 Amanuensis will help you proofread, validate
and tidy ISBN (International Standard Book Number)
references in your HTML or other documentation.

Here are some sample valid ISBNs correctly formatted:  

0-00-000000-0
0-200-00000-4
0-7000-0000-3
0-85000-000-9
0-900000-00-7
0-9500000-0-0
0-9999999-9-0
1-00-000000-1
1-09-999999-5
1-100-00000-3
1-399-99999-0
1-4000-0000-9
1-4999-9999-2
1-5000-0000-0
1-5499-9999-0
1-55000-000-4
1-86979-999-2
1-869800-00-1
1-9990000-0-5
2-00000000-2
2-95000000-2
3-00000000-3
3-99999999-3
4-00000000-4
4-95000000-4
5-00000000-5
5-95000000-5
7-00000000-7
7-20000000-0
7-95000000-7
80-0000000-8
93-9999999-8
950-000000-8
950-999999-7
995-999999-8
9960-00000-1
9989-99999-6
99901-9601-X
 
Unfortunately the program cannot correctly place the dash
between publisher and title for groups other than 0 and 1.

The lead 0 is significant. ISBNs always contain 10 digits.

It takes the raw ISBN (which may contain dashes, lead, trail
or embedded spaces or other miscellaneous junk), validates
the check digit and insert the dashes in the proper places
using a set of rules described at
http://www.bowker.com/standards/home/isbn/international/hyphenation-instructions.html.

Just paste the raw ISBN into the left window, click Tidy
then copy the tidied ISBN from the right window.

When you run the ISBN Amanuensis as an application, it is
even more automatic. You don't need to do any manual pasting
and copying. Just click Tidy to tidy the current contents of
the clipboard. The tidied ISBN replaces the old the raw text
clipboard contents. This automatic feature is not available
in the Applet version because the Applet sandbox considers
it a security risk. Version 1.6 has updated group number verification,
and now handles numbers such as 1-4000-4728-5 which were formerly illegal.