`nahuatl` package not in TeX Live

Don Hosek don.hosek at gmail.com
Mon Dec 20 16:06:12 CET 2021

> On 20 Dec 2021, at 08:48, Philip Taylor (Hellenic Institute) <P.Taylor at Hellenic-Institute.Uk> wrote:
> On 19/12/2021 21:52, Karl Berry wrote:
>>     is there any reason for TeX Live to not provide the `nahuatl` package :
>> Yes. The main one is that the author used the filename "U.mf", which is
>> not something I can install in the runtime; it needs to be (for example)
>> nahuatl-U.mf. 
> Is that because it would conflict with (e.g.,) "C:\TeX\Live\2021\texmf-dist\fonts\source\public\levy\u.mf", or for some other reason ?
> -- 
> Philip Taylor
It’s the duplication of names. This is an old problem: TeX and friends effectively have their files living in a flat namespace¹ so every TeX file in TeX live needs to be uniquely named and similarly every MF file needs to be uniquely named. 


1. It’s worth noting that at the time of TeX’s creation and well into the 80s some common operating systems did not even have a mechanism for subdirectories of any kind. PC-DOS first gained subdirectories with version 2.0 in 1983 and VM/CMS never supported them (files were kept in virtual disks and the OS would respond to a request for U MF by starting with disk A (the user disk) and going through all the disks in alphabetical order up to Z until it found the file).
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