After 'fixing' the master-reference issue in my copy of the NIST test suite, I ran the tests against 0.20.5 and 1.0dev and merged the result side by side into a single .pdf file.
[John Austin]
Interesting technique.
What tool do you use to make the side-by-side comparison ?
This java program:
http://bckfnn-modules.sf.net/PairPdf.java
to drive iText:
http://www.lowagie.com/iText/
which does all the heavy lifting.
regards, finn