gh-38200: build/pkgs/sagemath_{categories,environment,objects,repl}: Change to optional
    
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... from "experimental".

As suggested in
#38190 (comment)

### 📝 Checklist

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- [ ] The description explains in detail what this PR is about.
- [x] I have linked a relevant issue or discussion.
- [ ] I have created tests covering the changes.
- [ ] I have updated the documentation and checked the documentation
preview.

### ⌛ Dependencies

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URL: #38200
Reported by: Matthias Köppe
Reviewer(s): Kwankyu Lee

Author: Release Manager

build/pkgs/sagemath_categories/type

@@ -1 +1 @@
-experimental
+optional

build/pkgs/sagemath_environment/type

@@ -1 +1 @@
-experimental
+optional

build/pkgs/sagemath_objects/type

@@ -1 +1 @@
-experimental
+optional

build/pkgs/sagemath_repl/type

@@ -1 +1 @@
-experimental
+optional

pkgs/sagemath-bliss/README.rst

@@ -8,18 +8,15 @@ About SageMath
    "Creating a Viable Open Source Alternative to
     Magma, Maple, Mathematica, and MATLAB"
 
-   Copyright (C) 2005-2023 The Sage Development Team
+   Copyright (C) 2005-2024 The Sage Development Team
 
    https://www.sagemath.org
 
 SageMath fully supports all major Linux distributions, recent versions of
 macOS, and Windows (Windows Subsystem for Linux).
 
-The traditional and recommended way to install SageMath is from source via
-Sage-the-distribution (https://www.sagemath.org/download-source.html).
-Sage-the-distribution first builds a large number of open source packages from
-source (unless it finds suitable versions installed in the system) and then
-installs the Sage Library (sagelib, implemented in Python and Cython).
+See https://doc.sagemath.org/html/en/installation/index.html
+for general installation instructions.
 
 
 About this pip-installable source distribution

pkgs/sagemath-categories/README.rst

@@ -8,27 +8,25 @@ About SageMath
    "Creating a Viable Open Source Alternative to
     Magma, Maple, Mathematica, and MATLAB"
 
-   Copyright (C) 2005-2023 The Sage Development Team
+   Copyright (C) 2005-2024 The Sage Development Team
 
    https://www.sagemath.org
 
 SageMath fully supports all major Linux distributions, recent versions of
 macOS, and Windows (Windows Subsystem for Linux).
 
-The traditional and recommended way to install SageMath is from source via
-Sage-the-distribution (https://www.sagemath.org/download-source.html).
-Sage-the-distribution first builds a large number of open source packages from
-source (unless it finds suitable versions installed in the system) and then
-installs the Sage Library (sagelib, implemented in Python and Cython).
+See https://doc.sagemath.org/html/en/installation/index.html
+for general installation instructions.
 
 
-About this experimental pip-installable source distribution
------------------------------------------------------------
+About this pip-installable distribution package
+-----------------------------------------------
 
-This pip-installable source distribution `sagemath-categories` is an
-experimental distribution of a small part of the Sage Library.  Use at your own
-risk.  It provides a small subset of the modules of the Sage library
-("sagelib", `sagemath-standard`).  It is a superset of the `sagemath-objects`
+The pip-installable distribution package `sagemath-categories` is a
+distribution of a small part of the Sage Library.
+
+It provides a small subset of the modules of the Sage library
+("sagelib", `sagemath-standard`) that is a superset of `sagemath-objects`
 (providing Sage objects, the element/parent framework, categories, the coercion
 system and the related metaclasses), making various additional categories
 available without introducing dependencies on additional mathematical

pkgs/sagemath-coxeter3/README.rst

@@ -8,18 +8,15 @@ About SageMath
    "Creating a Viable Open Source Alternative to
     Magma, Maple, Mathematica, and MATLAB"
 
-   Copyright (C) 2005-2023 The Sage Development Team
+   Copyright (C) 2005-2024 The Sage Development Team
 
    https://www.sagemath.org
 
 SageMath fully supports all major Linux distributions, recent versions of
 macOS, and Windows (Windows Subsystem for Linux).
 
-The traditional and recommended way to install SageMath is from source via
-Sage-the-distribution (https://www.sagemath.org/download-source.html).
-Sage-the-distribution first builds a large number of open source packages from
-source (unless it finds suitable versions installed in the system) and then
-installs the Sage Library (sagelib, implemented in Python and Cython).
+See https://doc.sagemath.org/html/en/installation/index.html
+for general installation instructions.
 
 
 About this pip-installable source distribution

pkgs/sagemath-environment/README.rst

@@ -8,26 +8,24 @@ About SageMath
    "Creating a Viable Open Source Alternative to
     Magma, Maple, Mathematica, and MATLAB"
 
-   Copyright (C) 2005-2023 The Sage Development Team
+   Copyright (C) 2005-2024 The Sage Development Team
 
    https://www.sagemath.org
 
 SageMath fully supports all major Linux distributions, recent versions of
 macOS, and Windows (Windows Subsystem for Linux).
 
-The traditional and recommended way to install SageMath is from source via
-Sage-the-distribution (https://www.sagemath.org/download-source.html).
-Sage-the-distribution first builds a large number of open source packages from
-source (unless it finds suitable versions installed in the system) and then
-installs the Sage Library (sagelib, implemented in Python and Cython).
+See https://doc.sagemath.org/html/en/installation/index.html
+for general installation instructions.
 
 
-About this experimental pip-installable source distribution
------------------------------------------------------------
+About this pip-installable distribution package
+-----------------------------------------------
 
-This pip-installable source distribution `sagemath-environment` is an
-experimental distribution of a small part of the Sage Library.  Use at your own
-risk.  It provides a small, fundamental subset of the modules of the Sage
+The pip-installable distribution package `sagemath-environment` is a
+distribution of a small part of the Sage Library.
+
+It provides a small, fundamental subset of the modules of the Sage
 library ("sagelib", `sagemath-standard`), providing the connection to the
 system and software environment.  It also includes the `sage` script for
 launching the Sage REPL and accessing various developer tools (see `sage

pkgs/sagemath-mcqd/README.rst

@@ -8,18 +8,15 @@ About SageMath
    "Creating a Viable Open Source Alternative to
     Magma, Maple, Mathematica, and MATLAB"
 
-   Copyright (C) 2005-2023 The Sage Development Team
+   Copyright (C) 2005-2024 The Sage Development Team
 
    https://www.sagemath.org
 
 SageMath fully supports all major Linux distributions, recent versions of
 macOS, and Windows (Windows Subsystem for Linux).
 
-The traditional and recommended way to install SageMath is from source via
-Sage-the-distribution (https://www.sagemath.org/download-source.html).
-Sage-the-distribution first builds a large number of open source packages from
-source (unless it finds suitable versions installed in the system) and then
-installs the Sage Library (sagelib, implemented in Python and Cython).
+See https://doc.sagemath.org/html/en/installation/index.html
+for general installation instructions.
 
 
 About this pip-installable source distribution

pkgs/sagemath-meataxe/README.rst

@@ -8,18 +8,15 @@ About SageMath
    "Creating a Viable Open Source Alternative to
     Magma, Maple, Mathematica, and MATLAB"
 
-   Copyright (C) 2005-2023 The Sage Development Team
+   Copyright (C) 2005-2024 The Sage Development Team
 
    https://www.sagemath.org
 
 SageMath fully supports all major Linux distributions, recent versions of
 macOS, and Windows (Windows Subsystem for Linux).
 
-The traditional and recommended way to install SageMath is from source via
-Sage-the-distribution (https://www.sagemath.org/download-source.html).
-Sage-the-distribution first builds a large number of open source packages from
-source (unless it finds suitable versions installed in the system) and then
-installs the Sage Library (sagelib, implemented in Python and Cython).
+See https://doc.sagemath.org/html/en/installation/index.html
+for general installation instructions.
 
 
 About this pip-installable source distribution