Quoting Sandro Tosi (2017-02-09 02:10:57)
>> 0.82-1 seems to confirm [my] guess that the c*ttf [fonts] are BaKoMa 
>> and that they are restricted to non-commercial use: That release 
>> contains file fonts/BaKoMa-CM.Fonts with the following text:
>>
>>> The author of this fonts grants to any individual or non-commercial 
>>> organization the right to use and to make an unlimited number of 
>>> copies of full package or selected fonts when this is done WITHOUT 
>>> CHARGE and has attached this file with licence agreement.
>>>
>>> This fonts cannot be sold or distributed with any commercial product 
>>> or used in any commercial organization without additional agreement 
>>> with author. If you want to charge a small fee via distribution 
>>> these fonts or any derivations from this fonts, you should contact 
>>> the author.
>>>
>>> This restriction is also true for only outlines from this fonts. 
>>> i.e. outlines exported into other font formats, for example TrueType 
>>> or Type3.
>>>
>>> This restriction is not intended to apply to connect time charges, 
>>> or flat rate connection/download fees for electronic bulletin board 
>>> services.
>
> 0.82-1 is way old and cannot be used as reference.

Interesting logic.


> those fonts are the same as provided by fonts-lyx
> 
> $ ls -l /usr/share/fonts/truetype/lyx/c*ttf
> -rw-r--r-- 1 root root 20688 Jul  2  2016
> /usr/share/fonts/truetype/lyx/cmex10.ttf
> -rw-r--r-- 1 root root 32036 Jul  2  2016
> /usr/share/fonts/truetype/lyx/cmmi10.ttf
> -rw-r--r-- 1 root root 26188 Jul  2  2016
> /usr/share/fonts/truetype/lyx/cmr10.ttf
> -rw-r--r-- 1 root root 28476 Jul  2  2016
> /usr/share/fonts/truetype/lyx/cmsy10.ttf

Nice to know - but possibly not adequate for licensing needs.

Some (but not all) licenses are invalidated if not preserving the 
licensing verbatim: Debian is only permitted to redistribute the fonts 
via matplotlib if the license granted to matplotlib permitted removal of 
the license text.


> see also 
> https://github.com/matplotlib/matplotlib/issues/6976#issuecomment-270002766
> 
> i'll include that copyright notice as well

Bug opened upstream, referencing above: 
https://github.com/matplotlib/matplotlib/issues/8051


 - Jonas

-- 
 * Jonas Smedegaard - idealist & Internet-arkitekt
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