pdb_tdb: use != 0 instead off == -1 for dbwrap functions
tree79c81b9bf4551a4aa7b1a319d327391e0696eb84
-rw-r--r-- 1629 .gitignore
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-rw-r--r-- 6448 README.Coding
-rw-r--r-- 0 Read-Manifest-Now
-rw-r--r-- 1357 Roadmap
-rw-r--r-- 22352 WHATSNEW.txt
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