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Merge pull request #9755 from 9999years/printer-followup

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Printer followup

(cherry picked from commit 51f524c629b778b75cb62a9e0c85bae655984abc)
Change-Id: I29214cc86c5e846cbcfec382022293a70011b316
This commit is contained in:
eldritch horrors 2024-03-08 04:08:08 +01:00
parent 512c1f05c3
commit 7e1f8b09a4
1 changed files with 4 additions and 8 deletions
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12
doc/manual/src/command-ref/nix-instantiate.md
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@ -44,9 +44,10 @@ standard input.
> **Warning**
>
> This option produces ambiguous output which is not suitable for machine
> consumption. For example, these two Nix expressions print the same result
> despite having different types:
> This option produces output which can be parsed as a Nix expression which
> will produce a different result than the input expression when evaluated.
> For example, these two Nix expressions print the same result despite
> having different meaning:
>
> ```console
> $ nix-instantiate --eval --expr '{ a = {}; }'
@ -179,12 +180,7 @@ $ nix-instantiate --eval --xml --expr '{ x = {}; }'
</attr>
</attrs>
</expr>
```
Note that `y` is left unevaluated (the XML representation doesn’t
attempt to show non-normal forms).
```console
$ nix-instantiate --eval --xml --strict --expr '{ x = {}; }'
<?xml version='1.0' encoding='utf-8'?>
<expr>