Am 12.11.2021 um 18:23 schrieb Michael Urban via ntg-context :

I downloaded the Google free font ‘Vollkorn’ (https://fonts.google.com/specimen/Vollkorn) into an appropriate directory and ran mtxrun --script font --reload all went well, and the Vollkorn truetype fonts show up in the output of mtxrun --script font --list --all .

However, the following input:

\starttext \definedfont[name:vollkornregular*default at 14pt] \input tufte \stoptext

fails, with the following output: system > ConTeXt ver: 2020.03.10 14:44 MKIV beta fmt: 2020.6.8 int: english/english

fonts > otf loading > loading 'MYPATH/texmf/fonts/truetype/google/Vollkorn-Regular.ttf', hash 'vollkorn-regular' fonts > otf loading > loading failed due to read error fonts > defining > forced type 'ttf' of 'Vollkorn-Regular' not found fonts > defining > font with asked name 'Vollkorn-Regular' is not found using lookup 'name' fonts > defining > unknown font 'Vollkorn-Regular', loading aborted

This is on Mac OSX. I don't recall this problem coming up before. Evidently the difficulty is that it is expecting an otf font and is confounded by the truetype file.

The ConTeXt font system always bewilders me, but this time it's pretty specific. Help?

For me it works on MacOS 10.14 and ConTeXt LMTX 2021.10.28. Does your list look like mine?: $ mtxrun --script fonts --list --all --pattern=vollkorn identifier familyname fontname filename subfont instances vollkornblack vollkorn vollkornblack Vollkorn-Black.ttf vollkornblackitalic vollkorn vollkornblackitalic Vollkorn-BlackItalic.ttf vollkornbold vollkorn vollkornbold Vollkorn-Bold.ttf vollkornbolditalic vollkorn vollkornbolditalic Vollkorn-BoldItalic.ttf vollkornextrabold vollkorn vollkornextrabold Vollkorn-ExtraBold.ttf vollkornextrabolditalic vollkorn vollkornextrabolditalic Vollkorn-ExtraBoldItalic.ttf vollkornitalic vollkorn vollkornitalic Vollkorn-Italic.ttf vollkornmedium vollkorn vollkornmedium Vollkorn-Medium.ttf vollkornmediumitalic vollkorn vollkornmediumitalic Vollkorn-MediumItalic.ttf vollkornnormal vollkorn vollkornitalic Vollkorn-Italic.ttf vollkornregular vollkorn vollkornregular Vollkorn-Regular.ttf vollkornsemibold vollkorn vollkornsemibold Vollkorn-SemiBold.ttf vollkornsemibolditalic vollkorn vollkornsemibolditalic Vollkorn-SemiBoldItalic.ttf Hraban