Rename reference to 'master' branch to 'main'

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,4 +1,4 @@
-<!-- First time contributors: Take a moment to review https://github.com/openstenoproject/plover/blob/master/doc/developer_guide.md! -->
+<!-- First time contributors: Take a moment to review https://github.com/openstenoproject/plover/blob/main/doc/developer_guide.md! -->
 <!-- Remove sections if not applicable -->
 
 ## Summary of changes
@@ -9,4 +9,4 @@ Closes <!-- issue number here -->
 
 ### Pull Request Checklist
 - [ ] Changes have tests
-- [ ] News fragment added in news.d. See [documentation](https://github.com/openstenoproject/plover/blob/master/doc/developer_guide.md#making-a-pull-request) for details
+- [ ] News fragment added in news.d. See [documentation](https://github.com/openstenoproject/plover/blob/main/doc/developer_guide.md#making-a-pull-request) for details

README.md

@@ -121,13 +121,13 @@ Please follow through for your system:
 
 [Beginner's Guide]: https://github.com/openstenoproject/plover/wiki/Beginner's-Guide:-Get-Started-with-Plover
 [Blog]: http://plover.stenoknight.com
-[Contributing]: https://github.com/openstenoproject/plover/blob/master/CONTRIBUTING.md
+[Contributing]: https://github.com/openstenoproject/plover/blob/main/CONTRIBUTING.md
 [Donate]: http://www.openstenoproject.org/donate
 [Google Group]: https://groups.google.com/forum/#!forum/ploversteno
 [Homepage Source]: https://github.com/openstenoproject/plover/tree/gh-pages
 [Homepage]: http://opensteno.org/plover
 [Issues]: https://github.com/openstenoproject/plover/issues?q=is:issue
-[License]: https://github.com/openstenoproject/plover/blob/master/LICENSE.txt
+[License]: https://github.com/openstenoproject/plover/blob/main/LICENSE.txt
 [Open Steno Project Homepage Source]: https://github.com/openstenoproject/openstenoproject.github.io
 [Open Steno Project]: http://opensteno.org
 [Mascot]: http://plover.stenoknight.com/2010/10/new-logo.html
@@ -138,6 +138,6 @@ Please follow through for your system:
 [Wiki]: https://github.com/openstenoproject/plover/wiki
 [installation guide]: https://github.com/openstenoproject/plover/wiki/Installation-Guide
 [morinted/plover\_icons]: https://github.com/morinted/plover_icons
-[Windows README]: https://github.com/openstenoproject/plover/blob/master/windows/README.md
-[Linux README]: https://github.com/openstenoproject/plover/blob/master/linux/README.md
-[macOS README]: https://github.com/openstenoproject/plover/blob/master/osx/README.md
+[Windows README]: https://github.com/openstenoproject/plover/blob/main/windows/README.md
+[Linux README]: https://github.com/openstenoproject/plover/blob/main/linux/README.md
+[macOS README]: https://github.com/openstenoproject/plover/blob/main/osx/README.md

doc/releases.md

@@ -6,7 +6,7 @@ Version numbers:
 - pre-release: `{major}.{minor}.{patch}.{dev|rc}{devel}` (e.g. `4.0.0.dev7`, `4.0.0rc1`, ...)
 
 
-Steps to cut a new release (from a clean checkout of `master`):
+Steps to cut a new release (from a clean checkout of `main`):
 
 1. Run `tox -e release_prepare {NEW_VERSION_NUMBER}`.
 2. Review the staged changes, check all news fragments in `news.d` were

doc/translation_language.md

@@ -340,7 +340,7 @@ Press the individual number keys.
 Press accented letter keys on international layouts.
 :::
 
-All possible keys are defined in the [Plover codebase](https://github.com/openstenoproject/plover/blob/master/plover/key_combo.py#L21).
+All possible keys are defined in the [Plover codebase](https://github.com/openstenoproject/plover/blob/main/plover/key_combo.py#L21).
 
 :::{note}
 When specifying a key by the name of a symbol that would normally be produced