[sane-devel] Where do I download the software for a Canon Pixma TR4520?

Alexander Pevzner pzz at apevzner.com
Mon Mar 23 15:37:24 GMT 2020

Hi Thierry,

On 3/23/20 5:31 PM, Thierry HUCAHRD wrote:
> I've been letting you be aggressive for a while now!

If you feel me aggressive, sorry for that! Honestly, I'm may be a little 
bit ironic, but not aggressive.

> You examine my code to find the difference that makes the Canon IR 
> scanners work and at the same time you accuse me of plagiarism.

Excuse me, but ADF status decoding code was copied 1:1, including a 
comment. Then is was slightly modified in a subsequent patch.

Technically this is a little bit strange. You must be far behind me at 
this point, as you have access to a lot of hardware, while I have only 
one device and for me this is very difficult to gather information about 
other devices without community help.

GPL license allows that, it's not a problem. But it would be nice to 
notice the origin of this code at least in comments.

> I agree with Till, community work is good for everyone!

I also think so.

> I've decided not to answer any more questions unless you're constructive!

I'm constructive, I gave your some technical information that you might 
not know before. And you actually don't answer my questions, so there is 
nothing new in your decision.


	Wishes, Alexander Pevzner (pzz at apevzner.com)

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