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MUFI 00F4E8 LATIN SMALL LIGATURE LONG S L WITH DIAGONAL STROKE

Open jsbien opened this issue 9 months ago • 8 comments

I just noticed that the character, proposed by me some time ago and accepted, is described now (https://mufi.info/q.php?p=mufi/chars/unichar/62696) as "Incorrectly encoded at some point" and "deprecated".

It was and is needed for Polish, at least in principle (I guess nobody used it except myself). Unfortunately it seems my original proposal is no longer on the MUFI site, but I will try to reconstruct it, the examples were from the IMPACT corpus (https://szukajwslownikach.uw.edu.pl/).

I will appreciate if you include it in some way in Junicode; sticking to the original MUFI code point is not necessary.

jsbien avatar Apr 25 '24 14:04 jsbien

In https://www.researchgate.net/publication/351121973 I state that the character occur over 8 thousand times in the corpus, but also contribute to the mess calling it just LATIN SMALL LIGATURE LONG S L WITH STROKE. It was encoded then as U+F51E but converted to the long s and l with stroke. Screenshot from 2024-04-25 17-18-59

jsbien avatar Apr 25 '24 15:04 jsbien

If this is what I think it is, it turned up in the MUFI materials without an illustration, and I didn't know quite what to make of it. But I see now that it was a thing that Junicode already had as a Contextual Alternates (calt) rule substituting combining forms of ſ and ł: image In general it is not necessary to encode ligatures, at least when they're handled by "always-on" features like calt and liga. But of course I will encode it if you can work the matter out with the MUFI folks.

psb1558 avatar Apr 25 '24 16:04 psb1558

it was a thing that Junicode already had as a Contextual Alternates (calt) rule substituting combining forms of ſ and ł

Had and still has? If so then it's OK for me. Please remind me how to use it in practice in TeX.

jsbien avatar Apr 25 '24 16:04 jsbien

It should be there if you have the latest release. ſ and ł should ligature whenever they occur together, but if it doesn't work, just turn on calt when you load the font with fontspec:

\setmainfont{Junicode}[Alternates=Contextual]

Or if you're using the new junicode package in CTAN:

\usepackage[MainFeatures={Alternates=Contextual}]{junicode}

But I think these should be unnecessary.

psb1558 avatar Apr 25 '24 16:04 psb1558

You're right, it is ligated. Thanks!

jsbien avatar Apr 25 '24 16:04 jsbien

Are you on the mufi-fonts list? Tarrin Jon Wills just wrote

It's at F4F8 (cf. AndronScriptor), not F4E8. I've left the latter also in the database for clarification in case there are references to the incorrect codepoint. But please let me know if I have misunderstood something and it should in fact be at F4E8 (and Andreas's mistake?).

What is you opinion?

jsbien avatar Apr 29 '24 07:04 jsbien

Well all the other U+F4FN characters are ligatures, so I suppose U+F4F8 is as good a place as any. I will add it. But I strongly discourage the use of PUA code points for ligatures when OpenType features can do the job in a more convenient and accessible way.

psb1558 avatar Apr 29 '24 11:04 psb1558

I think it is worth adding just for the compatibility with MUFI. Thanks!

jsbien avatar Apr 29 '24 16:04 jsbien

I'm confused :-( In version 2.208 there is neither F4E8 nor F4F8. I don't really need it, I just picked up the character to illustrate the MUFI recommendation and junicode in a presentation. I can of course use another character, but I'm just curious...

jsbien avatar Jul 09 '24 07:07 jsbien

I've added it. It will be in the next release.

psb1558 avatar Jul 09 '24 12:07 psb1558

OK, the presentation is planned for October :-)

jsbien avatar Jul 09 '24 14:07 jsbien

It should be before that.

psb1558 avatar Jul 09 '24 15:07 psb1558