Re: [boost] Boost.Text review

On Sun, 21 Jun 2020, 7:42 am Zach Laine via Boost, wrote:

On Thu, Jun 18, 2020 at 1:25 PM Vinnie Falco via Boost wrote:

...

On Thu, Jun 18, 2020 at 11:22 AM Phil Endecott via Boost wrote:

...

if I understand correctly, Zach's code includes tables that are derived from Unicode data and the licence for that data requires a copyright attribution.

Could we ask the owner of the copyright to dual-license the data under the BSL? That might be a cheap and easy solution.

Maybe? I'll email the one ICU developer I've ever spoken to, and see if he can direct me to the right person to ask about this.

The use that was made of the .txt data files to extract the information needed to produce headers that are part of Boost.Text is in my opinion fine. Boost.Text users never use or need access to these .txt files. If one takes the contrary view that the licence of these files is something that the user of Boost.Text needs to care about, then be aware that it is unlikely any single person or entity can re-license these files as I believe they may have various contributors/licences. I would try to avoid pulling on that string for fear of the tangle that is likely at the end of it. That said, it might be possible to ask ICU for explicit authorisation (to the extent they alone can give it) for the use of the .txt files as a source of constant data required to process unicode in accordance with the standard without requiring that headers in Boost.Text that embed those constants, for that purpose, be licenced under the ICU licence. One reasonably expects that was their intent in producing these files, but it doesn't hurt to ask. With or without that confirmation it would be good practice to cite the source of the DATA values (not code) in Boost.Text documentation and/or in the headers that embed the constants.

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