docs: Update "No character metrics" documentation (#3719)

* Update quoted error message

This page didn't appear for me when searching for "No character metrics". I then stumbled onto it, and it's quite useful

* Update broken link

metrics/extract_ttfs.py does not exist, and it's not the "root" of the metric-generation stuff
This commit is contained in:
Jim Fisher
2022-09-22 16:08:05 +01:00
committed by GitHub
parent ef49e2be91
commit c43f835f73

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@@ -33,8 +33,8 @@ your symbol in TeX surrounded by other different kinds of symbols, and seeing
whether your spacing matches the spacing that TeX produces.
Once your symbol works, check the JavaScript console to make sure you don't get
a message like "Can't find character metrics for \_" when you render your symbol.
If you do, check out [extract_ttfs.py](metrics/extract_ttfs.py).
a message like `No character metrics for '_'` when you render your symbol.
If you do, check out [dockers/fonts](dockers/fonts) which generates fonts and metrics.
#### Adding new functions