Combinatorica as submodule

.github/FUNDING.yml

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+# These are supported funding model platforms
+
+github: [rocky]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,86 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: ''
+assignees: ''
+
+---
+<!-- Feel free to remove sections marked optional if they are not relevant. The other sections please fill out. See also https://github.com/Mathics3/mathics-core/blob/master/REPORTING-BUGS.md -->
+
+## Description
+
+<!-- Please add a clear and concise description of the bug. Try to reduce the bug to the minimum expression that exhibits the bug.
+     For example, if an an expression occurs with several terms, can these be removed and the bug still appears? If so
+	 we would like the reduced, simpler expression.
+
+	 If the expression can be written in SymPy, does SymPy also exhibit the problem?
+-->
+
+## How to Reproduce
+
+<!--
+Steps to reproduce the behavior.
+
+For Django:
+1. Go to ...
+2. Enter ....
+2. Click on ....
+3. Scroll down to '....'
+4. See error
+
+For a command-line environment:
+
+$mathics -e 'E ^ (Pi I)'  # adjust expression E ^ (Pi I) for the specific bug
+
+-->
+
+## Output Given
+
+<!--
+Please include not just the error message but all output leading to the message which includes echoing input and messages up to the error.
+For a command-line environment include command invocation and all the output produced.
+
+If this is too long, then try narrowing the problem to something short.
+-->
+
+
+## Expected behavior
+
+<!-- Add a clear and concise description of what you expected to happen. -->
+
+## Your Environment
+
+<!-- _This information can be helpful...
+
+**All: Mathics version, Installed Python Python packages.
+
+In addition
+
+**Desktop (please complete the following information):**
+ - OS: [e.g. iOS]
+ - Browser [e.g. chrome, safari]
+
+**Smartphone (please complete the following information):**
+ - Device: [e.g. iPhone6]
+ - OS: [e.g. iOS8.1]
+ - Browser [e.g. stock browser, safari]
+
+If you are using a command-line interface the relevant information is posted when you enter the mathics or mathicsscript.
+
+If you are using Django http://localhost/about provides this information which you can cut and paste.
+ -->
+
+## Workarounds
+
+<!-- If there is a workaround for the problem, describe that here. -->
+
+## Priority
+
+<!-- If this is blocking some important activity let us know what activity it blocks. -->
+
+## Additional context
+
+<!--
+This is optional. Please add any other context about the problem here or special environment setup.
+-->

.github/ISSUE_TEMPLATE/feature_request.md

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+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: ''
+assignees: ''
+
+---
+*Note: If the feature is about adding or filling out an existing deficiency in the Mathics3 language, please file this as an [issue](https://github.com/Mathics3/mathics-core/issues/new?assignees=&labels=&projects=&template=bug_report.md&title=).*
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.

.github/workflows/ubuntu.yml

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+name: Mathics3 Combinatorica (ubuntu)
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: '**'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ['3.11']
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v5
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install OS dependencies
+      run: |
+        sudo apt-get update -qq && sudo apt-get install -qq liblapack-dev llvm-dev tesseract-ocr remake
+    - name: Install Mathics3 with full dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install setuptools "mpmath<1.4,>=1.1.0"
+        # We can comment out after next Mathics-Scanner release
+        # python -m pip install -e git+https://github.com/Mathics3/mathics-scanner#egg=Mathics-Scanner[full]
+        git clone https://github.com/Mathics3/mathics-scanner.git
+        cd mathics-scanner/
+        pip install -e .
+        cd ..
+        git clone https://github.com/Mathics3/mathics-core.git
+        cd mathics-core/
+        remake -x develop
+        remake -x install
+        cd ..
+        pip install -e .[dev]
+
+        # python -m pip install Mathics-Scanner[full]
+    - name: Test Mathics
+      run: |
+        make check

.gitignore

@@ -1,3 +1,4 @@
 *~
 /.python-version
+/Mathics3_Combinatorica.egg-info
 /tmp