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### Prerequisites
* [x] Put an X between the brackets on this line if you have done all of the following:
* Checked that your issue isn't already [filed](https://github.com/leanprover/lean4/is…
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### Prerequisites
Please put an X between the brackets as you perform the following steps:
* [X] Check that your issue is not already filed:
https://github.com/leanprover/lean4/issues
* …
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### Proposal
The goal of this RFC is to have the tactic state not change too much while typing.
This is a complaint I have heard more than once from beginners: "The goal state is jumping around to…
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### Prerequisites
Please put an X between the brackets as you perform the following steps:
* [X] Check that your issue is not already filed:
https://github.com/leanprover/lean4/issues
* …
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I started reading through [the Lean 4 documentation](https://leanprover.github.io/lean4/doc/whatIsLean.html). [`funabst.md` contains the example](https://github.com/leanprover/lean4/blame/b6905f66d609…
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The following example:
```lean
import Qq
open Qq Lean.Meta
example (qo : Q(Option Nat)) (o : Option Nat) : MetaM Unit := do
match qo with
| ~q(some $qx) => match o with
| some x => …
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I have the weirdest problem with this error. I get it from a bare bones "cmd.exe" on my machine and in my [github ci](https://github.com/leanprover/vscode-lean4/runs/5578866283?check_suite_focus=true…
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### Prerequisites
Please put an X between the brackets as you perform the following steps:
* [x] Check that your issue is not already filed:
https://github.com/leanprover/lean4/issues
* …
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### Prerequisites
* [X] Put an X between the brackets on this line if you have done all of the following:
* Check that your issue is not already [filed](https://github.com/leanprover/lean4/iss…
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Consider the snippet below. I would expect the two functions `foo₁` and `foo₂` to be equivalent and both to work, however `foo₁` fails to elaborate with a type error.
```lean
import Lean
import Qq
…