jkyeung

Thanks, Buck! I specifically left out some of the "working as designed" codes to make the screenshots smaller, but if it were me doing the testing and development, I would...

> The [5250 Functions Reference](https://archive.org/details/bitsavers_ibm5250525formationDisplaySystemFunctionsReference_6100222) manual is the canonical reference. See page 2-142 and 143, Screen Attributes Nice! I don't think I was aware of that particular manual. I did...

Excellent detective work! I'm glad you found this issue; commenting here was absolutely the best thing to do. I'm sure your new information will help someone track down the bug.

> It's the Source date option in combination with the Source date tracking mode: > > When set to `diff`, all tabs are converted to `\t`...! So, does this mean...