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docs: split types from syntax (#11013)

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move together all syntactic and semantic information into one
page, and add a page on data types, which in turn links to the syntax and
semantics.

also split out the note on scoping rules into its own page.

Co-authored-by: Ryan Hendrickson <ryan.hendrickson@alum.mit.edu>
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Valentin Gagarin 2024-07-03 09:03:41 +02:00 • committed by GitHub
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doc/manual/src/command-ref/opt-common.md
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@ -143,7 +143,7 @@ Most Nix commands accept the following command-line options:
This option is accepted by `nix-env`, `nix-instantiate`, `nix-shell` and `nix-build`.
When evaluating Nix expressions, the expression evaluator will automatically try to call functions that it encounters.
It can automatically call functions for which every argument has a [default value](@docroot@/language/constructs.md#functions) (e.g., `{ argName ? defaultValue }: ...`).
It can automatically call functions for which every argument has a [default value](@docroot@/language/syntax.md#functions) (e.g., `{ argName ? defaultValue }: ...`).
With `--arg`, you can also call functions that have arguments without a default value (or override a default value).
That is, if the evaluator encounters a function with an argument named *name*, it will call it with value *value*.