Merge #528

528: new compat guidelines r=ericphanson a=cossio

See https://discourse.julialang.org/t/psa-compat-requirements-in-the-general-registry-are-changing/104958/3

Co-authored-by: cossio <[email protected]>

Author: bors[bot]

docs/src/guidelines.md

@@ -92,10 +92,7 @@ PackageG = "0.2 - 1"    # includes infinitely many breaking 0.x releases of Pack
 See [Pkg's documentation](https://julialang.github.io/Pkg.jl/v1/compatibility/) for specification of `[compat]` entries in your
 `Project.toml` file.
 
-(**Note:** Standard libraries are excluded for this criterion since they are bundled
-with Julia, and, hence, implicitly included in the `[compat]` entry for Julia.
-For the time being, JLL dependencies are also excluded for this criterion because they
-often have non-standard version numbering schemes; however, this may change in the future.)
+(**Note:** JLL dependencies are excluded from this criterion because they often have non-standard version numbering schemes; however, this may change in the future.)
 
 You may find [CompatHelper.jl](https://github.com/bcbi/CompatHelper.jl) and [PackageCompatUI.jl](https://github.com/GunnarFarneback/PackageCompatUI.jl) helpful for maintaining up-to-date `[compat]` entries.