Change references from 'master' to 'main'

.github/workflows/docs.yml

@@ -57,7 +57,7 @@ jobs:
       # https://github.com/JamesIves/github-pages-deploy-action/tree/dev#using-an-ssh-deploy-key-
       - name: Deploy
         uses: JamesIves/github-pages-deploy-action@v4
-        if: ${{ github.ref == 'refs/heads/master' }}
+        if: ${{ github.ref == 'refs/heads/main' }}
         with:
           folder: docs/_build/html
           ssh-key: ${{ secrets.DEPLOY_KEY }}

docs/changelog.md

@@ -110,9 +110,9 @@
 ### Minor Changes
 
 - Added
-  [CODE_OF_CONDUCT.md](https://github.com/Quansight-Labs/ndindex/blob/master/CODE_OF_CONDUCT.md)
+  [CODE_OF_CONDUCT.md](https://github.com/Quansight-Labs/ndindex/blob/main/CODE_OF_CONDUCT.md)
   to the ndindex repository. ndindex follows the [Quansight Code of
-  Conduct](https://github.com/Quansight/.github/blob/master/CODE_OF_CONDUCT.md).
+  Conduct](https://github.com/Quansight/.github/blob/main/CODE_OF_CONDUCT.md).
 
 - Avoid precomputing all iterated values for slices with large steps in
   {any}`ChunkSize.as_subchunks()`.

docs/index.md

@@ -277,7 +277,7 @@ There are two primary types of tests that we employ to verify this:
 - Hypothesis tests. Hypothesis is a library that can intelligently check a
   combinatorial search space of inputs. This requires writing hypothesis
   strategies that can generate all the relevant types of indices (see
-  [ndindex/tests/helpers.py](https://github.com/Quansight-Labs/ndindex/blob/master/ndindex/tests/helpers.py)).
+  [ndindex/tests/helpers.py](https://github.com/Quansight-Labs/ndindex/blob/main/ndindex/tests/helpers.py)).
   For more information on hypothesis, see
   <https://hypothesis.readthedocs.io/en/latest/index.html>. All tests have
   hypothesis tests, even if they are also tested exhaustively.
@@ -307,7 +307,7 @@ Benchmarks for ndindex are published
 
 ## License
 
-[MIT License](https://github.com/Quansight-Labs/ndindex/blob/master/LICENSE)
+[MIT License](https://github.com/Quansight-Labs/ndindex/blob/main/LICENSE)
 
 (acknowledgments)=
 ## Acknowledgments

docs/slices.md

@@ -1693,7 +1693,7 @@ hard to write slice arithmetic. The arithmetic is already hard enough due to
 the modular nature of `step`, but the discontinuous aspect of `start` and
 `stop` increases this tenfold. If you are unconvinced of this, take a look at
 the [source
-code](https://github.com/Quansight-labs/ndindex/blob/master/ndindex/slice.py) for
+code](https://github.com/Quansight-labs/ndindex/blob/main/ndindex/slice.py) for
 `ndindex.Slice()`. You will see lots of nested `if` blocks.[^source-footnote]
 This is because slices have *fundamentally* different definitions if the
 `start` or `stop` are `None`, negative, or nonnegative. Furthermore, `None` is