There are ligatures in Old Hungarian font, which don't follow the ligature rules of Old Hungarian

[tamasbartos]

There are in font

https://github.com/googlefonts/noto-fonts/blob/master/unhinted/ttf/NotoSansOldHungarian/NotoSansOldHungarian-Regular.ttf

ligatures, which don't follow the ligature-rules of Old Hungarian script.

Font

Full file name 'NotoSansOldHungarian-Regular.ttf'.

Where the font came from, and when

https://github.com/googlefonts/noto-fonts/blob/master/unhinted/ttf/NotoSansOldHungarian/NotoSansOldHungarian-Regular.ttf
Date: 2021-01-19
Version: 2.002

Tester application name and version

LibreOffice 6.4.6.2

Screenshot

Some of them useless at all.

And there are required ligatures, which missing.
Under the development...

[tamasbartos]

@marekjez86
The following ligatures don't follow the ligature rules of Old Hungarian script and/or have unrecognisable shape:
"rá", "szt", "ck" (which has two version), "csin", "x" , "nk", "np" , "nt", "sk", "vár", "bt", see the picture:

The following ligatures can't be repaired and/or can be used few cases:
"szt", "ck" with two variants, "nk", "np", "nt", "st", "bt" :

[tamasbartos]

@marekjez86
This Issue relates to Issue #1946 and #1947

[tamasbartos]

Subset of this Issue #1944

[tamasbartos]

@marekjez86 I left and never go back