Couldn't find the language specification anywhere, it basically the Nix source? The repo's README refers to the Nix manual, but it seems incomplete. For example
aspose.pdf
base36
kcov
service-fabric-actor
endianness
java-6
get-request
testing
acrofields
eclipse-ditto
python-beautifultable
log-rotation
kotlin-reflect
nscoding
iostat
subpartition
web-extension
memory-access
voip-android
javascript-audio-api
select2
heroku-postgres
flash-cs3
triangle
haskell-language-server
triangulation
snapkit
azure-synapse
duckyscript
pyke
