Sorry to bother, but I was wondering if anyone could help. I'm relatively new to type design, I've only been at for like 8 months and self taught, there's much I don't know. I thought I had finally finished my first font, but some issues were found (please look below). I have no idea what that is or how to fix it. I also couldn't find anything about LTSH and VDMX tables in Fontlab, I might not have looked hard enough though. Any help would be appreciated.
• in the LTSH table many (almost all) values are incorrect, some seem to be really massively off (
https://docs.microsoft.com/en-us/typography/opentype/spec/ltsh)
• in the VDMX table many (seemingly all) values are larger by one unit than needed (
https://docs.microsoft.com/en-us/typography/opentype/spec/vdmx). This may be responsible for the error report regarding vertical metrics.
Comments
(Not that I am directly affiliated with FontLab these days.)
a couple of things however. its possible you might want the tables? I have ben trying to find out how/why these tables were generated in the first place. this is best answered by Font Lab folks, but I have not been able to get the right person. I think its important to know why the tables are there. it could be as Thomas suggested that newer versions of FL do not make these tables in the font, and they are no longer required for general use fonts.
if we do figure out that the tables are not needed, the next step is to remove them. I can probably work with you to help you do that.
you could try Thomas's suggestion first, to see if that resolves the issue. in the meantime I can try get someone from FontLab to comment here. cant promise anything on that.
Create a folder to download the file:
In fontlab 5 go to Preference >Generating Truetype/OpentypeTT >Use cachett program to generate device metrics tables in TTF fonts link the file in the folder You choose.
Try to generate your font again.
Regards
Sami
Probably the only way to know if it works.
I am sure it will works.
Sami